[openwrt/openwrt] bcm4908: use upstream accepted Ethernet driver patches

LEDE Commits lede-commits at lists.infradead.org
Fri Feb 12 10:30:44 EST 2021


rmilecki pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/87efff6329094dfc4b1dc8dd8fe571d3bd724efa

commit 87efff6329094dfc4b1dc8dd8fe571d3bd724efa
Author: Rafał Miłecki <rafal at milecki.pl>
AuthorDate: Fri Feb 12 09:01:40 2021 +0100

    bcm4908: use upstream accepted Ethernet driver patches
    
    Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
---
 ...net-document-BCM4908-Ethernet-controller.patch} |  30 +-
 ...-bcm4908enet-add-BCM4908-controller-driv.patch} | 283 ++++-----
 ...dings-net-rename-BCM4908-Ethernet-binding.patch |  68 +++
 ...-net-bcm4908-enet-include-ethernet-contro.patch |  32 +
 ...m-rename-BCM4908-driver-update-DT-binding.patch | 643 +++++++++++++++++++++
 ...roadcom-bcm4908_enet-drop-unneeded-memset.patch |  30 +
 ...m-bcm4908_enet-drop-inline-from-C-functio.patch |  75 +++
 ...net-broadcom-bcm4908_enet-fix-minor-typos.patch |  60 ++
 ...dcom-bcm4908_enet-fix-received-skb-length.patch |  28 +
 ...m-bcm4908_enet-fix-endianness-in-xmit-cod.patch |  28 +
 ...-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch |   2 +-
 ...roadcom-bcm4908-describe-Ethernet-control.patch |   5 +-
 12 files changed, 1128 insertions(+), 156 deletions(-)

diff --git a/target/linux/bcm4908/patches-5.4/170-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch b/target/linux/bcm4908/patches-5.4/072-v5.12-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch
similarity index 63%
rename from target/linux/bcm4908/patches-5.4/170-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch
rename to target/linux/bcm4908/patches-5.4/072-v5.12-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch
index 74dda6454f..8c60b9706e 100644
--- a/target/linux/bcm4908/patches-5.4/170-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch
+++ b/target/linux/bcm4908/patches-5.4/072-v5.12-0001-dt-bindings-net-document-BCM4908-Ethernet-controller.patch
@@ -1,6 +1,7 @@
+From 387d1c1819790aa8398c7cffab587f9a050a0d1a Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
-Date: Fri, 5 Feb 2021 21:57:41 +0100
-Subject: [PATCH 1/2] dt-bindings: net: document BCM4908 Ethernet controller
+Date: Sun, 7 Feb 2021 23:26:31 +0100
+Subject: [PATCH] dt-bindings: net: document BCM4908 Ethernet controller
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
@@ -8,18 +9,19 @@ Content-Transfer-Encoding: 8bit
 BCM4908 is a family of SoCs with integrated Ethernet controller.
 
 Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Signed-off-by: David S. Miller <davem at davemloft.net>
 ---
- .../bindings/net/brcm,bcm4908-enet.yaml       | 43 +++++++++++++++++++
- 1 file changed, 43 insertions(+)
- create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+ .../bindings/net/brcm,bcm4908enet.yaml        | 45 +++++++++++++++++++
+ 1 file changed, 45 insertions(+)
+ create mode 100644 Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
 
 --- /dev/null
-+++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
-@@ -0,0 +1,43 @@
++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
+@@ -0,0 +1,45 @@
 +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
 +%YAML 1.2
 +---
-+$id: http://devicetree.org/schemas/net/brcm,bcm4908-enet.yaml#
++$id: http://devicetree.org/schemas/net/brcm,bcm4908enet.yaml#
 +$schema: http://devicetree.org/meta-schemas/core.yaml#
 +
 +title: Broadcom BCM4908 Ethernet controller
@@ -29,12 +31,9 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +maintainers:
 +  - Rafał Miłecki <rafal at milecki.pl>
 +
-+allOf:
-+  - $ref: ethernet-controller.yaml#
-+
 +properties:
 +  compatible:
-+    const: brcm,bcm4908-enet
++    const: brcm,bcm4908enet
 +
 +  reg:
 +    maxItems: 1
@@ -42,9 +41,13 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +  interrupts:
 +    description: RX interrupt
 +
++  interrupt-names:
++    const: rx
++
 +required:
 +  - reg
 +  - interrupts
++  - interrupt-names
 +
 +additionalProperties: false
 +
@@ -54,8 +57,9 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +    #include <dt-bindings/interrupt-controller/arm-gic.h>
 +
 +    ethernet at 80002000 {
-+        compatible = "brcm,bcm4908-enet";
++        compatible = "brcm,bcm4908enet";
 +        reg = <0x80002000 0x1000>;
 +
 +        interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
++        interrupt-names = "rx";
 +    };
diff --git a/target/linux/bcm4908/patches-5.4/170-0002-net-broadcom-bcm4908_enet-add-BCM4908-controller-dri.patch b/target/linux/bcm4908/patches-5.4/072-v5.12-0002-net-broadcom-bcm4908enet-add-BCM4908-controller-driv.patch
similarity index 72%
rename from target/linux/bcm4908/patches-5.4/170-0002-net-broadcom-bcm4908_enet-add-BCM4908-controller-dri.patch
rename to target/linux/bcm4908/patches-5.4/072-v5.12-0002-net-broadcom-bcm4908enet-add-BCM4908-controller-driv.patch
index 4741df4ec4..adef3d87ac 100644
--- a/target/linux/bcm4908/patches-5.4/170-0002-net-broadcom-bcm4908_enet-add-BCM4908-controller-dri.patch
+++ b/target/linux/bcm4908/patches-5.4/072-v5.12-0002-net-broadcom-bcm4908enet-add-BCM4908-controller-driv.patch
@@ -1,28 +1,26 @@
+From 4feffeadbcb2e5b11cbbf191a33c245b74a5837b Mon Sep 17 00:00:00 2001
 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
-Date: Fri, 5 Feb 2021 21:59:51 +0100
-Subject: [PATCH 2/2] net: broadcom: bcm4908_enet: add BCM4908 controller
- driver
+Date: Sun, 7 Feb 2021 23:26:32 +0100
+Subject: [PATCH] net: broadcom: bcm4908enet: add BCM4908 controller driver
 MIME-Version: 1.0
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 8bit
 
-BCM4908 SoCs family has integrated Ethernel controller that includes
-UniMAC but uses different DMA engine (than other controllers) and
-requires different programming.
-
-Ethernet controller in BCM4908 is always connected to the internal SF2
-switch's port and uses fixed link.
+BCM4908 SoCs family uses Ethernel controller that includes UniMAC but
+uses different DMA engine (than other controllers) and requires
+different programming.
 
 Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Signed-off-by: David S. Miller <davem at davemloft.net>
 ---
- MAINTAINERS                                  |   9 +
- drivers/net/ethernet/broadcom/Kconfig        |   8 +
- drivers/net/ethernet/broadcom/Makefile       |   1 +
- drivers/net/ethernet/broadcom/bcm4908_enet.c | 671 +++++++++++++++++++
- drivers/net/ethernet/broadcom/bcm4908_enet.h |  96 +++
- 5 files changed, 785 insertions(+)
- create mode 100644 drivers/net/ethernet/broadcom/bcm4908_enet.c
- create mode 100644 drivers/net/ethernet/broadcom/bcm4908_enet.h
+ MAINTAINERS                                 |   9 +
+ drivers/net/ethernet/broadcom/Kconfig       |   8 +
+ drivers/net/ethernet/broadcom/Makefile      |   1 +
+ drivers/net/ethernet/broadcom/bcm4908enet.c | 676 ++++++++++++++++++++
+ drivers/net/ethernet/broadcom/bcm4908enet.h |  96 +++
+ 5 files changed, 790 insertions(+)
+ create mode 100644 drivers/net/ethernet/broadcom/bcm4908enet.c
+ create mode 100644 drivers/net/ethernet/broadcom/bcm4908enet.h
 
 --- a/MAINTAINERS
 +++ b/MAINTAINERS
@@ -35,8 +33,8 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +M:	bcm-kernel-feedback-list at broadcom.com
 +L:	netdev at vger.kernel.org
 +S:	Maintained
-+F:	Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
-+F:	drivers/net/ethernet/broadcom/bcm4908_enet.*
++F:	Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
++F:	drivers/net/ethernet/broadcom/bcm4908enet.*
 +F:	drivers/net/ethernet/broadcom/unimac.h
 +
  BROADCOM BCM5301X ARM ARCHITECTURE
@@ -48,10 +46,10 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
  	depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT
  	default y
  
-+config BCM4908_ENET
++config BCM4908ENET
 +	tristate "Broadcom BCM4908 internal mac support"
 +	depends on ARCH_BCM4908 || COMPILE_TEST
-+	default ARCH_BCM4908
++	default y
 +	help
 +	  This driver supports Ethernet controller integrated into Broadcom
 +	  BCM4908 family SoCs.
@@ -65,13 +63,13 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
  #
  
  obj-$(CONFIG_B44) += b44.o
-+obj-$(CONFIG_BCM4908_ENET) += bcm4908_enet.o
++obj-$(CONFIG_BCM4908ENET) += bcm4908enet.o
  obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o
  obj-$(CONFIG_BCMGENET) += genet/
  obj-$(CONFIG_BNX2) += bnx2.o
 --- /dev/null
-+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
-@@ -0,0 +1,671 @@
++++ b/drivers/net/ethernet/broadcom/bcm4908enet.c
+@@ -0,0 +1,676 @@
 +// SPDX-License-Identifier: GPL-2.0-only
 +/*
 + * Copyright (C) 2021 Rafał Miłecki <rafal at milecki.pl>
@@ -86,7 +84,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +#include <linux/slab.h>
 +#include <linux/string.h>
 +
-+#include "bcm4908_enet.h"
++#include "bcm4908enet.h"
 +#include "unimac.h"
 +
 +#define ENET_DMA_CH_RX_CFG			ENET_DMA_CH0_CFG
@@ -107,18 +105,18 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +#define ENET_MTU_MAX				1500 /* Is it possible to support 2044? */
 +#define ENET_MTU_MAX_EXTRA_SIZE			32 /* L2 */
 +
-+struct bcm4908_enet_dma_ring_bd {
++struct bcm4908enet_dma_ring_bd {
 +	__le32 ctl;
 +	__le32 addr;
 +} __packed;
 +
-+struct bcm4908_enet_dma_ring_slot {
++struct bcm4908enet_dma_ring_slot {
 +	struct sk_buff *skb;
 +	unsigned int len;
 +	dma_addr_t dma_addr;
 +};
 +
-+struct bcm4908_enet_dma_ring {
++struct bcm4908enet_dma_ring {
 +	int is_tx;
 +	int read_idx;
 +	int write_idx;
@@ -128,38 +126,38 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +
 +	union {
 +		void *cpu_addr;
-+		struct bcm4908_enet_dma_ring_bd *buf_desc;
++		struct bcm4908enet_dma_ring_bd *buf_desc;
 +	};
 +	dma_addr_t dma_addr;
 +
-+	struct bcm4908_enet_dma_ring_slot *slots;
++	struct bcm4908enet_dma_ring_slot *slots;
 +};
 +
-+struct bcm4908_enet {
++struct bcm4908enet {
 +	struct device *dev;
 +	struct net_device *netdev;
 +	struct napi_struct napi;
 +	void __iomem *base;
 +
-+	struct bcm4908_enet_dma_ring tx_ring;
-+	struct bcm4908_enet_dma_ring rx_ring;
++	struct bcm4908enet_dma_ring tx_ring;
++	struct bcm4908enet_dma_ring rx_ring;
 +};
 +
 +/***
 + * R/W ops
 + */
 +
-+static u32 enet_read(struct bcm4908_enet *enet, u16 offset)
++static inline u32 enet_read(struct bcm4908enet *enet, u16 offset)
 +{
 +	return readl(enet->base + offset);
 +}
 +
-+static void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value)
++static inline void enet_write(struct bcm4908enet *enet, u16 offset, u32 value)
 +{
 +	writel(value, enet->base + offset);
 +}
 +
-+static void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
++static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set)
 +{
 +	u32 val;
 +
@@ -170,22 +168,27 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	enet_write(enet, offset, val);
 +}
 +
-+static void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set)
++static inline void enet_set(struct bcm4908enet *enet, u16 offset, u32 set)
 +{
 +	enet_maskset(enet, offset, set, set);
 +}
 +
-+static u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset)
++static inline u32 enet_umac_read(struct bcm4908enet *enet, u16 offset)
 +{
 +	return enet_read(enet, ENET_UNIMAC + offset);
 +}
 +
-+static void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value)
++static inline void enet_umac_write(struct bcm4908enet *enet, u16 offset, u32 value)
 +{
 +	enet_write(enet, ENET_UNIMAC + offset, value);
 +}
 +
-+static void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set)
++static inline void enet_umac_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set)
++{
++	enet_maskset(enet, ENET_UNIMAC + offset, mask, set);
++}
++
++static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set)
 +{
 +	enet_set(enet, ENET_UNIMAC + offset, set);
 +}
@@ -194,17 +197,17 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 + * Helpers
 + */
 +
-+static void bcm4908_enet_intrs_on(struct bcm4908_enet *enet)
++static void bcm4908enet_intrs_on(struct bcm4908enet *enet)
 +{
 +	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS);
 +}
 +
-+static void bcm4908_enet_intrs_off(struct bcm4908_enet *enet)
++static void bcm4908enet_intrs_off(struct bcm4908enet *enet)
 +{
 +	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0);
 +}
 +
-+static void bcm4908_enet_intrs_ack(struct bcm4908_enet *enet)
++static void bcm4908enet_intrs_ack(struct bcm4908enet *enet)
 +{
 +	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS);
 +}
@@ -213,10 +216,9 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 + * DMA
 + */
 +
-+static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet,
-+				       struct bcm4908_enet_dma_ring *ring)
++static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908enet_dma_ring *ring)
 +{
-+	int size = ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
++	int size = ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
 +	struct device *dev = enet->dev;
 +
 +	ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL);
@@ -232,6 +234,8 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	if (!ring->slots)
 +		goto err_free_buf_descs;
 +
++	memset(ring->cpu_addr, 0, size);
++
 +	ring->read_idx = 0;
 +	ring->write_idx = 0;
 +
@@ -242,28 +246,28 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	return -ENOMEM;
 +}
 +
-+static void bcm4908_enet_dma_free(struct bcm4908_enet *enet)
++static void bcm4908enet_dma_free(struct bcm4908enet *enet)
 +{
-+	struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
-+	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring;
++	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
 +	struct device *dev = enet->dev;
 +	int size;
 +
-+	size = rx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
++	size = rx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
 +	if (rx_ring->cpu_addr)
 +		dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr);
 +	kfree(rx_ring->slots);
 +
-+	size = tx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
++	size = tx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
 +	if (tx_ring->cpu_addr)
 +		dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr);
 +	kfree(tx_ring->slots);
 +}
 +
-+static int bcm4908_enet_dma_alloc(struct bcm4908_enet *enet)
++static int bcm4908enet_dma_alloc(struct bcm4908enet *enet)
 +{
-+	struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
-+	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring;
++	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
 +	struct device *dev = enet->dev;
 +	int err;
 +
@@ -284,16 +288,16 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	err = bcm4908_dma_alloc_buf_descs(enet, rx_ring);
 +	if (err) {
 +		dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err);
-+		bcm4908_enet_dma_free(enet);
++		bcm4908enet_dma_free(enet);
 +		return err;
 +	}
 +
 +	return 0;
 +}
 +
-+static void bcm4908_enet_dma_reset(struct bcm4908_enet *enet)
++static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
 +{
-+	struct bcm4908_enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring };
++	struct bcm4908enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring };
 +	int i;
 +
 +	/* Disable the DMA controller and channel */
@@ -303,7 +307,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +
 +	/* Reset channels state */
 +	for (i = 0; i < ARRAY_SIZE(rings); i++) {
-+		struct bcm4908_enet_dma_ring *ring = rings[i];
++		struct bcm4908enet_dma_ring *ring = rings[i];
 +
 +		enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0);
 +		enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0);
@@ -312,10 +316,10 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	}
 +}
 +
-+static int bcm4908_enet_dma_alloc_rx_buf(struct bcm4908_enet *enet, unsigned int idx)
++static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int idx)
 +{
-+	struct bcm4908_enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx];
-+	struct bcm4908_enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx];
++	struct bcm4908enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx];
++	struct bcm4908enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx];
 +	struct device *dev = enet->dev;
 +	u32 tmp;
 +	int err;
@@ -345,8 +349,8 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	return 0;
 +}
 +
-+static void bcm4908_enet_dma_ring_init(struct bcm4908_enet *enet,
-+				       struct bcm4908_enet_dma_ring *ring)
++static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet,
++				      struct bcm4908enet_dma_ring *ring)
 +{
 +	int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */
 +	int reset_subch = ring->is_tx ? 1 : 0;
@@ -363,10 +367,10 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +		   (uint32_t)ring->dma_addr);
 +}
 +
-+static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet)
++static void bcm4908enet_dma_uninit(struct bcm4908enet *enet)
 +{
-+	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
-+	struct bcm4908_enet_dma_ring_slot *slot;
++	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908enet_dma_ring_slot *slot;
 +	struct device *dev = enet->dev;
 +	int i;
 +
@@ -380,48 +384,48 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	}
 +}
 +
-+static int bcm4908_enet_dma_init(struct bcm4908_enet *enet)
++static int bcm4908enet_dma_init(struct bcm4908enet *enet)
 +{
-+	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
 +	struct device *dev = enet->dev;
 +	int err;
 +	int i;
 +
 +	for (i = 0; i < rx_ring->length; i++) {
-+		err = bcm4908_enet_dma_alloc_rx_buf(enet, i);
++		err = bcm4908enet_dma_alloc_rx_buf(enet, i);
 +		if (err) {
 +			dev_err(dev, "Failed to alloc RX buffer: %d\n", err);
-+			bcm4908_enet_dma_uninit(enet);
++			bcm4908enet_dma_uninit(enet);
 +			return err;
 +		}
 +	}
 +
-+	bcm4908_enet_dma_ring_init(enet, &enet->tx_ring);
-+	bcm4908_enet_dma_ring_init(enet, &enet->rx_ring);
++	bcm4908enet_dma_ring_init(enet, &enet->tx_ring);
++	bcm4908enet_dma_ring_init(enet, &enet->rx_ring);
 +
 +	return 0;
 +}
 +
-+static void bcm4908_enet_dma_tx_ring_enable(struct bcm4908_enet *enet,
-+					    struct bcm4908_enet_dma_ring *ring)
++static void bcm4908enet_dma_tx_ring_ensable(struct bcm4908enet *enet,
++					    struct bcm4908enet_dma_ring *ring)
 +{
 +	enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
 +}
 +
-+static void bcm4908_enet_dma_tx_ring_disable(struct bcm4908_enet *enet,
-+					     struct bcm4908_enet_dma_ring *ring)
++static void bcm4908enet_dma_tx_ring_disable(struct bcm4908enet *enet,
++					    struct bcm4908enet_dma_ring *ring)
 +{
 +	enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0);
 +}
 +
-+static void bcm4908_enet_dma_rx_ring_enable(struct bcm4908_enet *enet,
-+					    struct bcm4908_enet_dma_ring *ring)
++static void bcm4908enet_dma_rx_ring_enable(struct bcm4908enet *enet,
++					   struct bcm4908enet_dma_ring *ring)
 +{
 +	enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
 +}
 +
-+static void bcm4908_enet_dma_rx_ring_disable(struct bcm4908_enet *enet,
-+					     struct bcm4908_enet_dma_ring *ring)
++static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet,
++					    struct bcm4908enet_dma_ring *ring)
 +{
 +	unsigned long deadline;
 +	u32 tmp;
@@ -444,7 +448,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 + * Ethernet driver
 + */
 +
-+static void bcm4908_enet_gmac_init(struct bcm4908_enet *enet)
++static void bcm4908enet_gmac_init(struct bcm4908enet *enet)
 +{
 +	u32 cmd;
 +
@@ -475,82 +479,82 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +		     ENET_GMAC_STATUS_LINK_UP);
 +}
 +
-+static irqreturn_t bcm4908_enet_irq_handler(int irq, void *dev_id)
++static irqreturn_t bcm4908enet_irq_handler(int irq, void *dev_id)
 +{
-+	struct bcm4908_enet *enet = dev_id;
++	struct bcm4908enet *enet = dev_id;
 +
-+	bcm4908_enet_intrs_off(enet);
-+	bcm4908_enet_intrs_ack(enet);
++	bcm4908enet_intrs_off(enet);
++	bcm4908enet_intrs_ack(enet);
 +
 +	napi_schedule(&enet->napi);
 +
 +	return IRQ_HANDLED;
 +}
 +
-+static int bcm4908_enet_open(struct net_device *netdev)
++static int bcm4908enet_open(struct net_device *netdev)
 +{
-+	struct bcm4908_enet *enet = netdev_priv(netdev);
++	struct bcm4908enet *enet = netdev_priv(netdev);
 +	struct device *dev = enet->dev;
 +	int err;
 +
-+	err = request_irq(netdev->irq, bcm4908_enet_irq_handler, 0, "enet", enet);
++	err = request_irq(netdev->irq, bcm4908enet_irq_handler, 0, "enet", enet);
 +	if (err) {
 +		dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err);
 +		return err;
 +	}
 +
-+	bcm4908_enet_gmac_init(enet);
-+	bcm4908_enet_dma_reset(enet);
-+	bcm4908_enet_dma_init(enet);
++	bcm4908enet_gmac_init(enet);
++	bcm4908enet_dma_reset(enet);
++	bcm4908enet_dma_init(enet);
 +
 +	enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN);
 +
 +	enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN);
 +	enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0);
-+	bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring);
++	bcm4908enet_dma_rx_ring_enable(enet, &enet->rx_ring);
 +
 +	napi_enable(&enet->napi);
 +	netif_carrier_on(netdev);
 +	netif_start_queue(netdev);
 +
-+	bcm4908_enet_intrs_ack(enet);
-+	bcm4908_enet_intrs_on(enet);
++	bcm4908enet_intrs_ack(enet);
++	bcm4908enet_intrs_on(enet);
 +
 +	return 0;
 +}
 +
-+static int bcm4908_enet_stop(struct net_device *netdev)
++static int bcm4908enet_stop(struct net_device *netdev)
 +{
-+	struct bcm4908_enet *enet = netdev_priv(netdev);
++	struct bcm4908enet *enet = netdev_priv(netdev);
 +
 +	netif_stop_queue(netdev);
 +	netif_carrier_off(netdev);
 +	napi_disable(&enet->napi);
 +
-+	bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring);
-+	bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring);
++	bcm4908enet_dma_rx_ring_disable(enet, &enet->rx_ring);
++	bcm4908enet_dma_tx_ring_disable(enet, &enet->tx_ring);
 +
-+	bcm4908_enet_dma_uninit(enet);
++	bcm4908enet_dma_uninit(enet);
 +
 +	free_irq(enet->netdev->irq, enet);
 +
 +	return 0;
 +}
 +
-+static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
++static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
 +{
-+	struct bcm4908_enet *enet = netdev_priv(netdev);
-+	struct bcm4908_enet_dma_ring *ring = &enet->tx_ring;
-+	struct bcm4908_enet_dma_ring_slot *slot;
++	struct bcm4908enet *enet = netdev_priv(netdev);
++	struct bcm4908enet_dma_ring *ring = &enet->tx_ring;
++	struct bcm4908enet_dma_ring_slot *slot;
 +	struct device *dev = enet->dev;
-+	struct bcm4908_enet_dma_ring_bd *buf_desc;
++	struct bcm4908enet_dma_ring_bd *buf_desc;
 +	int free_buf_descs;
 +	u32 tmp;
 +
 +	/* Free transmitted skbs */
 +	while (ring->read_idx != ring->write_idx) {
 +		buf_desc = &ring->buf_desc[ring->read_idx];
-+		if (le32_to_cpu(buf_desc->ctl) & DMA_CTL_STATUS_OWN)
++		if (buf_desc->ctl & DMA_CTL_STATUS_OWN)
 +			break;
 +		slot = &ring->slots[ring->read_idx];
 +
@@ -593,7 +597,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
 +	buf_desc->ctl = cpu_to_le32(tmp);
 +
-+	bcm4908_enet_dma_tx_ring_enable(enet, &enet->tx_ring);
++	bcm4908enet_dma_tx_ring_ensable(enet, &enet->tx_ring);
 +
 +	if (++ring->write_idx == ring->length - 1)
 +		ring->write_idx = 0;
@@ -603,15 +607,15 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	return NETDEV_TX_OK;
 +}
 +
-+static int bcm4908_enet_poll(struct napi_struct *napi, int weight)
++static int bcm4908enet_poll(struct napi_struct *napi, int weight)
 +{
-+	struct bcm4908_enet *enet = container_of(napi, struct bcm4908_enet, napi);
++	struct bcm4908enet *enet = container_of(napi, struct bcm4908enet, napi);
 +	struct device *dev = enet->dev;
 +	int handled = 0;
 +
 +	while (handled < weight) {
-+		struct bcm4908_enet_dma_ring_bd *buf_desc;
-+		struct bcm4908_enet_dma_ring_slot slot;
++		struct bcm4908enet_dma_ring_bd *buf_desc;
++		struct bcm4908enet_dma_ring_slot slot;
 +		u32 ctl;
 +		int len;
 +		int err;
@@ -624,7 +628,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +		slot = enet->rx_ring.slots[enet->rx_ring.read_idx];
 +
 +		/* Provide new buffer before unpinning the old one */
-+		err = bcm4908_enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx);
++		err = bcm4908enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx);
 +		if (err)
 +			break;
 +
@@ -635,14 +639,13 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +
 +		if (len < ENET_MTU_MIN ||
 +		    (ctl & (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) != (DMA_CTL_STATUS_SOP | DMA_CTL_STATUS_EOP)) {
-+			kfree(slot.skb);
 +			enet->netdev->stats.rx_dropped++;
 +			break;
 +		}
 +
 +		dma_unmap_single(dev, slot.dma_addr, slot.len, DMA_FROM_DEVICE);
 +
-+		skb_put(slot.skb, len - ETH_FCS_LEN);
++		skb_put(slot.skb, len - 4 + 2);
 +		slot.skb->protocol = eth_type_trans(slot.skb, enet->netdev);
 +		netif_receive_skb(slot.skb);
 +
@@ -652,24 +655,24 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +
 +	if (handled < weight) {
 +		napi_complete_done(napi, handled);
-+		bcm4908_enet_intrs_on(enet);
++		bcm4908enet_intrs_on(enet);
 +	}
 +
 +	return handled;
 +}
 +
-+static const struct net_device_ops bcm4908_enet_netdev_ops = {
-+	.ndo_open = bcm4908_enet_open,
-+	.ndo_stop = bcm4908_enet_stop,
-+	.ndo_start_xmit = bcm4908_enet_start_xmit,
++static const struct net_device_ops bcm96xx_netdev_ops = {
++	.ndo_open = bcm4908enet_open,
++	.ndo_stop = bcm4908enet_stop,
++	.ndo_start_xmit = bcm4908enet_start_xmit,
 +	.ndo_set_mac_address = eth_mac_addr,
 +};
 +
-+static int bcm4908_enet_probe(struct platform_device *pdev)
++static int bcm4908enet_probe(struct platform_device *pdev)
 +{
 +	struct device *dev = &pdev->dev;
 +	struct net_device *netdev;
-+	struct bcm4908_enet *enet;
++	struct bcm4908enet *enet;
 +	int err;
 +
 +	netdev = devm_alloc_etherdev(dev, sizeof(*enet));
@@ -686,27 +689,27 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +		return PTR_ERR(enet->base);
 +	}
 +
-+	netdev->irq = platform_get_irq(pdev, 0);
++	netdev->irq = platform_get_irq_byname(pdev, "rx");
 +	if (netdev->irq < 0)
 +		return netdev->irq;
 +
 +	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
 +
-+	err = bcm4908_enet_dma_alloc(enet);
++	err = bcm4908enet_dma_alloc(enet);
 +	if (err)
 +		return err;
 +
 +	SET_NETDEV_DEV(netdev, &pdev->dev);
 +	eth_hw_addr_random(netdev);
-+	netdev->netdev_ops = &bcm4908_enet_netdev_ops;
++	netdev->netdev_ops = &bcm96xx_netdev_ops;
 +	netdev->min_mtu = ETH_ZLEN;
 +	netdev->mtu = ENET_MTU_MAX;
 +	netdev->max_mtu = ENET_MTU_MAX;
-+	netif_napi_add(netdev, &enet->napi, bcm4908_enet_poll, 64);
++	netif_napi_add(netdev, &enet->napi, bcm4908enet_poll, 64);
 +
 +	err = register_netdev(netdev);
 +	if (err) {
-+		bcm4908_enet_dma_free(enet);
++		bcm4908enet_dma_free(enet);
 +		return err;
 +	}
 +
@@ -715,40 +718,40 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +	return 0;
 +}
 +
-+static int bcm4908_enet_remove(struct platform_device *pdev)
++static int bcm4908enet_remove(struct platform_device *pdev)
 +{
-+	struct bcm4908_enet *enet = platform_get_drvdata(pdev);
++	struct bcm4908enet *enet = platform_get_drvdata(pdev);
 +
 +	unregister_netdev(enet->netdev);
 +	netif_napi_del(&enet->napi);
-+	bcm4908_enet_dma_free(enet);
++	bcm4908enet_dma_free(enet);
 +
 +	return 0;
 +}
 +
-+static const struct of_device_id bcm4908_enet_of_match[] = {
-+	{ .compatible = "brcm,bcm4908-enet"},
++static const struct of_device_id bcm4908enet_of_match[] = {
++	{ .compatible = "brcm,bcm4908enet"},
 +	{},
 +};
 +
-+static struct platform_driver bcm4908_enet_driver = {
++static struct platform_driver bcm4908enet_driver = {
 +	.driver = {
-+		.name = "bcm4908_enet",
-+		.of_match_table = bcm4908_enet_of_match,
++		.name = "bcm4908enet",
++		.of_match_table = bcm4908enet_of_match,
 +	},
-+	.probe	= bcm4908_enet_probe,
-+	.remove = bcm4908_enet_remove,
++	.probe	= bcm4908enet_probe,
++	.remove = bcm4908enet_remove,
 +};
-+module_platform_driver(bcm4908_enet_driver);
++module_platform_driver(bcm4908enet_driver);
 +
 +MODULE_LICENSE("GPL v2");
-+MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match);
++MODULE_DEVICE_TABLE(of, bcm4908enet_of_match);
 --- /dev/null
-+++ b/drivers/net/ethernet/broadcom/bcm4908_enet.h
++++ b/drivers/net/ethernet/broadcom/bcm4908enet.h
 @@ -0,0 +1,96 @@
 +/* SPDX-License-Identifier: GPL-2.0-only */
-+#ifndef __BCM4908_ENET_H
-+#define __BCM4908_ENET_H
++#ifndef __BCM4908ENET_H
++#define __BCM4908ENET_H
 +
 +#define ENET_CONTROL					0x000
 +#define ENET_MIB_CTRL					0x004
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch
new file mode 100644
index 0000000000..7a47b55c00
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0001-dt-bindings-net-rename-BCM4908-Ethernet-binding.patch
@@ -0,0 +1,68 @@
+From 6710c5b0674f8811f7d8fbfc526684e7ed77f765 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:32 +0100
+Subject: [PATCH] dt-bindings: net: rename BCM4908 Ethernet binding
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Rob pointed out that a normal convention is "brcm,bcm4908-enet" so
+update whole binding to match it.
+
+Suggested-by: Rob Herring <robh at kernel.org>
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ .../net/{brcm,bcm4908enet.yaml => brcm,bcm4908-enet.yaml}   | 6 +++---
+ MAINTAINERS                                                 | 2 +-
+ 2 files changed, 4 insertions(+), 4 deletions(-)
+ rename Documentation/devicetree/bindings/net/{brcm,bcm4908enet.yaml => brcm,bcm4908-enet.yaml} (85%)
+
+diff --git a/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+similarity index 85%
+rename from Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
+rename to Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+index 5f12f51c5b19..c70f222365c0 100644
+--- a/Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+@@ -1,7 +1,7 @@
+ # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+ %YAML 1.2
+ ---
+-$id: http://devicetree.org/schemas/net/brcm,bcm4908enet.yaml#
++$id: http://devicetree.org/schemas/net/brcm,bcm4908-enet.yaml#
+ $schema: http://devicetree.org/meta-schemas/core.yaml#
+ 
+ title: Broadcom BCM4908 Ethernet controller
+@@ -13,7 +13,7 @@ maintainers:
+ 
+ properties:
+   compatible:
+-    const: brcm,bcm4908enet
++    const: brcm,bcm4908-enet
+ 
+   reg:
+     maxItems: 1
+@@ -37,7 +37,7 @@ examples:
+     #include <dt-bindings/interrupt-controller/arm-gic.h>
+ 
+     ethernet at 80002000 {
+-        compatible = "brcm,bcm4908enet";
++        compatible = "brcm,bcm4908-enet";
+         reg = <0x80002000 0x1000>;
+ 
+         interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 3914691fb4a6..68fcd0a6416b 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -3450,7 +3450,7 @@ M:	Rafał Miłecki <rafal at milecki.pl>
+ M:	bcm-kernel-feedback-list at broadcom.com
+ L:	netdev at vger.kernel.org
+ S:	Maintained
+-F:	Documentation/devicetree/bindings/net/brcm,bcm4908enet.yaml
++F:	Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+ F:	drivers/net/ethernet/broadcom/bcm4908enet.*
+ F:	drivers/net/ethernet/broadcom/unimac.h
+ 
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch
new file mode 100644
index 0000000000..a4409a818a
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0002-dt-bindings-net-bcm4908-enet-include-ethernet-contro.patch
@@ -0,0 +1,32 @@
+From f08b5cf1eb1f2aefc6fe4a89c8c757ba94721d0b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:33 +0100
+Subject: [PATCH] dt-bindings: net: bcm4908-enet: include
+ ethernet-controller.yaml
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It should be /included/ by every Ethernet controller binding. It adds
+support for various generic properties.
+
+Suggested-by: Rob Herring <robh at kernel.org>
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml | 3 +++
+ 1 file changed, 3 insertions(+)
+
+--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
++++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+@@ -11,6 +11,9 @@ description: Broadcom's Ethernet control
+ maintainers:
+   - Rafał Miłecki <rafal at milecki.pl>
+ 
++allOf:
++  - $ref: ethernet-controller.yaml#
++
+ properties:
+   compatible:
+     const: brcm,bcm4908-enet
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch
new file mode 100644
index 0000000000..37285f6273
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0003-net-broadcom-rename-BCM4908-driver-update-DT-binding.patch
@@ -0,0 +1,643 @@
+From 9d61d138ab30bbfe4a8609853c81e881c4054a0b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:34 +0100
+Subject: [PATCH] net: broadcom: rename BCM4908 driver & update DT binding
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+compatible string was updated to match normal naming convention so
+update driver as well
+
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ MAINTAINERS                                   |   2 +-
+ drivers/net/ethernet/broadcom/Kconfig         |   2 +-
+ drivers/net/ethernet/broadcom/Makefile        |   2 +-
+ .../{bcm4908enet.c => bcm4908_enet.c}         | 215 +++++++++---------
+ .../{bcm4908enet.h => bcm4908_enet.h}         |   4 +-
+ 5 files changed, 113 insertions(+), 112 deletions(-)
+ rename drivers/net/ethernet/broadcom/{bcm4908enet.c => bcm4908_enet.c} (68%)
+ rename drivers/net/ethernet/broadcom/{bcm4908enet.h => bcm4908_enet.h} (98%)
+
+diff --git a/MAINTAINERS b/MAINTAINERS
+index 68fcd0a6416b..99335fd22c0a 100644
+--- a/MAINTAINERS
++++ b/MAINTAINERS
+@@ -3451,7 +3451,7 @@ M:	bcm-kernel-feedback-list at broadcom.com
+ L:	netdev at vger.kernel.org
+ S:	Maintained
+ F:	Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+-F:	drivers/net/ethernet/broadcom/bcm4908enet.*
++F:	drivers/net/ethernet/broadcom/bcm4908_enet.*
+ F:	drivers/net/ethernet/broadcom/unimac.h
+ 
+ BROADCOM BCM5301X ARM ARCHITECTURE
+diff --git a/drivers/net/ethernet/broadcom/Kconfig b/drivers/net/ethernet/broadcom/Kconfig
+index bcf9e0a410fd..f8a168b73307 100644
+--- a/drivers/net/ethernet/broadcom/Kconfig
++++ b/drivers/net/ethernet/broadcom/Kconfig
+@@ -51,7 +51,7 @@ config B44_PCI
+ 	depends on B44_PCI_AUTOSELECT && B44_PCICORE_AUTOSELECT
+ 	default y
+ 
+-config BCM4908ENET
++config BCM4908_ENET
+ 	tristate "Broadcom BCM4908 internal mac support"
+ 	depends on ARCH_BCM4908 || COMPILE_TEST
+ 	default y
+diff --git a/drivers/net/ethernet/broadcom/Makefile b/drivers/net/ethernet/broadcom/Makefile
+index 379012de3569..0ddfb5b5d53c 100644
+--- a/drivers/net/ethernet/broadcom/Makefile
++++ b/drivers/net/ethernet/broadcom/Makefile
+@@ -4,7 +4,7 @@
+ #
+ 
+ obj-$(CONFIG_B44) += b44.o
+-obj-$(CONFIG_BCM4908ENET) += bcm4908enet.o
++obj-$(CONFIG_BCM4908_ENET) += bcm4908_enet.o
+ obj-$(CONFIG_BCM63XX_ENET) += bcm63xx_enet.o
+ obj-$(CONFIG_BCMGENET) += genet/
+ obj-$(CONFIG_BNX2) += bnx2.o
+diff --git a/drivers/net/ethernet/broadcom/bcm4908enet.c b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+similarity index 68%
+rename from drivers/net/ethernet/broadcom/bcm4908enet.c
+rename to drivers/net/ethernet/broadcom/bcm4908_enet.c
+index d68b328e7596..e56348eb188f 100644
+--- a/drivers/net/ethernet/broadcom/bcm4908enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -12,7 +12,7 @@
+ #include <linux/slab.h>
+ #include <linux/string.h>
+ 
+-#include "bcm4908enet.h"
++#include "bcm4908_enet.h"
+ #include "unimac.h"
+ 
+ #define ENET_DMA_CH_RX_CFG			ENET_DMA_CH0_CFG
+@@ -33,18 +33,18 @@
+ #define ENET_MTU_MAX				1500 /* Is it possible to support 2044? */
+ #define ENET_MTU_MAX_EXTRA_SIZE			32 /* L2 */
+ 
+-struct bcm4908enet_dma_ring_bd {
++struct bcm4908_enet_dma_ring_bd {
+ 	__le32 ctl;
+ 	__le32 addr;
+ } __packed;
+ 
+-struct bcm4908enet_dma_ring_slot {
++struct bcm4908_enet_dma_ring_slot {
+ 	struct sk_buff *skb;
+ 	unsigned int len;
+ 	dma_addr_t dma_addr;
+ };
+ 
+-struct bcm4908enet_dma_ring {
++struct bcm4908_enet_dma_ring {
+ 	int is_tx;
+ 	int read_idx;
+ 	int write_idx;
+@@ -54,38 +54,38 @@ struct bcm4908enet_dma_ring {
+ 
+ 	union {
+ 		void *cpu_addr;
+-		struct bcm4908enet_dma_ring_bd *buf_desc;
++		struct bcm4908_enet_dma_ring_bd *buf_desc;
+ 	};
+ 	dma_addr_t dma_addr;
+ 
+-	struct bcm4908enet_dma_ring_slot *slots;
++	struct bcm4908_enet_dma_ring_slot *slots;
+ };
+ 
+-struct bcm4908enet {
++struct bcm4908_enet {
+ 	struct device *dev;
+ 	struct net_device *netdev;
+ 	struct napi_struct napi;
+ 	void __iomem *base;
+ 
+-	struct bcm4908enet_dma_ring tx_ring;
+-	struct bcm4908enet_dma_ring rx_ring;
++	struct bcm4908_enet_dma_ring tx_ring;
++	struct bcm4908_enet_dma_ring rx_ring;
+ };
+ 
+ /***
+  * R/W ops
+  */
+ 
+-static inline u32 enet_read(struct bcm4908enet *enet, u16 offset)
++static inline u32 enet_read(struct bcm4908_enet *enet, u16 offset)
+ {
+ 	return readl(enet->base + offset);
+ }
+ 
+-static inline void enet_write(struct bcm4908enet *enet, u16 offset, u32 value)
++static inline void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value)
+ {
+ 	writel(value, enet->base + offset);
+ }
+ 
+-static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set)
++static inline void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
+ {
+ 	u32 val;
+ 
+@@ -96,27 +96,27 @@ static inline void enet_maskset(struct bcm4908enet *enet, u16 offset, u32 mask,
+ 	enet_write(enet, offset, val);
+ }
+ 
+-static inline void enet_set(struct bcm4908enet *enet, u16 offset, u32 set)
++static inline void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set)
+ {
+ 	enet_maskset(enet, offset, set, set);
+ }
+ 
+-static inline u32 enet_umac_read(struct bcm4908enet *enet, u16 offset)
++static inline u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset)
+ {
+ 	return enet_read(enet, ENET_UNIMAC + offset);
+ }
+ 
+-static inline void enet_umac_write(struct bcm4908enet *enet, u16 offset, u32 value)
++static inline void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value)
+ {
+ 	enet_write(enet, ENET_UNIMAC + offset, value);
+ }
+ 
+-static inline void enet_umac_maskset(struct bcm4908enet *enet, u16 offset, u32 mask, u32 set)
++static inline void enet_umac_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
+ {
+ 	enet_maskset(enet, ENET_UNIMAC + offset, mask, set);
+ }
+ 
+-static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set)
++static inline void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set)
+ {
+ 	enet_set(enet, ENET_UNIMAC + offset, set);
+ }
+@@ -125,17 +125,17 @@ static inline void enet_umac_set(struct bcm4908enet *enet, u16 offset, u32 set)
+  * Helpers
+  */
+ 
+-static void bcm4908enet_intrs_on(struct bcm4908enet *enet)
++static void bcm4908_enet_intrs_on(struct bcm4908_enet *enet)
+ {
+ 	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, ENET_DMA_INT_DEFAULTS);
+ }
+ 
+-static void bcm4908enet_intrs_off(struct bcm4908enet *enet)
++static void bcm4908_enet_intrs_off(struct bcm4908_enet *enet)
+ {
+ 	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_MASK, 0);
+ }
+ 
+-static void bcm4908enet_intrs_ack(struct bcm4908enet *enet)
++static void bcm4908_enet_intrs_ack(struct bcm4908_enet *enet)
+ {
+ 	enet_write(enet, ENET_DMA_CH_RX_CFG + ENET_DMA_CH_CFG_INT_STAT, ENET_DMA_INT_DEFAULTS);
+ }
+@@ -144,9 +144,10 @@ static void bcm4908enet_intrs_ack(struct bcm4908enet *enet)
+  * DMA
+  */
+ 
+-static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908enet_dma_ring *ring)
++static int bcm4908_dma_alloc_buf_descs(struct bcm4908_enet *enet,
++				       struct bcm4908_enet_dma_ring *ring)
+ {
+-	int size = ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
++	int size = ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
+ 	struct device *dev = enet->dev;
+ 
+ 	ring->cpu_addr = dma_alloc_coherent(dev, size, &ring->dma_addr, GFP_KERNEL);
+@@ -174,28 +175,28 @@ static int bcm4908_dma_alloc_buf_descs(struct bcm4908enet *enet, struct bcm4908e
+ 	return -ENOMEM;
+ }
+ 
+-static void bcm4908enet_dma_free(struct bcm4908enet *enet)
++static void bcm4908_enet_dma_free(struct bcm4908_enet *enet)
+ {
+-	struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring;
+-	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
++	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
+ 	struct device *dev = enet->dev;
+ 	int size;
+ 
+-	size = rx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
++	size = rx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
+ 	if (rx_ring->cpu_addr)
+ 		dma_free_coherent(dev, size, rx_ring->cpu_addr, rx_ring->dma_addr);
+ 	kfree(rx_ring->slots);
+ 
+-	size = tx_ring->length * sizeof(struct bcm4908enet_dma_ring_bd);
++	size = tx_ring->length * sizeof(struct bcm4908_enet_dma_ring_bd);
+ 	if (tx_ring->cpu_addr)
+ 		dma_free_coherent(dev, size, tx_ring->cpu_addr, tx_ring->dma_addr);
+ 	kfree(tx_ring->slots);
+ }
+ 
+-static int bcm4908enet_dma_alloc(struct bcm4908enet *enet)
++static int bcm4908_enet_dma_alloc(struct bcm4908_enet *enet)
+ {
+-	struct bcm4908enet_dma_ring *tx_ring = &enet->tx_ring;
+-	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908_enet_dma_ring *tx_ring = &enet->tx_ring;
++	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
+ 	struct device *dev = enet->dev;
+ 	int err;
+ 
+@@ -216,16 +217,16 @@ static int bcm4908enet_dma_alloc(struct bcm4908enet *enet)
+ 	err = bcm4908_dma_alloc_buf_descs(enet, rx_ring);
+ 	if (err) {
+ 		dev_err(dev, "Failed to alloc RX buf descriptors: %d\n", err);
+-		bcm4908enet_dma_free(enet);
++		bcm4908_enet_dma_free(enet);
+ 		return err;
+ 	}
+ 
+ 	return 0;
+ }
+ 
+-static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
++static void bcm4908_enet_dma_reset(struct bcm4908_enet *enet)
+ {
+-	struct bcm4908enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring };
++	struct bcm4908_enet_dma_ring *rings[] = { &enet->rx_ring, &enet->tx_ring };
+ 	int i;
+ 
+ 	/* Disable the DMA controller and channel */
+@@ -235,7 +236,7 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
+ 
+ 	/* Reset channels state */
+ 	for (i = 0; i < ARRAY_SIZE(rings); i++) {
+-		struct bcm4908enet_dma_ring *ring = rings[i];
++		struct bcm4908_enet_dma_ring *ring = rings[i];
+ 
+ 		enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_BASE_DESC_PTR, 0);
+ 		enet_write(enet, ring->st_ram_block + ENET_DMA_CH_STATE_RAM_STATE_DATA, 0);
+@@ -244,10 +245,10 @@ static void bcm4908enet_dma_reset(struct bcm4908enet *enet)
+ 	}
+ }
+ 
+-static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int idx)
++static int bcm4908_enet_dma_alloc_rx_buf(struct bcm4908_enet *enet, unsigned int idx)
+ {
+-	struct bcm4908enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx];
+-	struct bcm4908enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx];
++	struct bcm4908_enet_dma_ring_bd *buf_desc = &enet->rx_ring.buf_desc[idx];
++	struct bcm4908_enet_dma_ring_slot *slot = &enet->rx_ring.slots[idx];
+ 	struct device *dev = enet->dev;
+ 	u32 tmp;
+ 	int err;
+@@ -277,8 +278,8 @@ static int bcm4908enet_dma_alloc_rx_buf(struct bcm4908enet *enet, unsigned int i
+ 	return 0;
+ }
+ 
+-static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet,
+-				      struct bcm4908enet_dma_ring *ring)
++static void bcm4908_enet_dma_ring_init(struct bcm4908_enet *enet,
++				       struct bcm4908_enet_dma_ring *ring)
+ {
+ 	int reset_channel = 0; /* We support only 1 main channel (with TX and RX) */
+ 	int reset_subch = ring->is_tx ? 1 : 0;
+@@ -295,10 +296,10 @@ static void bcm4908enet_dma_ring_init(struct bcm4908enet *enet,
+ 		   (uint32_t)ring->dma_addr);
+ }
+ 
+-static void bcm4908enet_dma_uninit(struct bcm4908enet *enet)
++static void bcm4908_enet_dma_uninit(struct bcm4908_enet *enet)
+ {
+-	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
+-	struct bcm4908enet_dma_ring_slot *slot;
++	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908_enet_dma_ring_slot *slot;
+ 	struct device *dev = enet->dev;
+ 	int i;
+ 
+@@ -312,48 +313,48 @@ static void bcm4908enet_dma_uninit(struct bcm4908enet *enet)
+ 	}
+ }
+ 
+-static int bcm4908enet_dma_init(struct bcm4908enet *enet)
++static int bcm4908_enet_dma_init(struct bcm4908_enet *enet)
+ {
+-	struct bcm4908enet_dma_ring *rx_ring = &enet->rx_ring;
++	struct bcm4908_enet_dma_ring *rx_ring = &enet->rx_ring;
+ 	struct device *dev = enet->dev;
+ 	int err;
+ 	int i;
+ 
+ 	for (i = 0; i < rx_ring->length; i++) {
+-		err = bcm4908enet_dma_alloc_rx_buf(enet, i);
++		err = bcm4908_enet_dma_alloc_rx_buf(enet, i);
+ 		if (err) {
+ 			dev_err(dev, "Failed to alloc RX buffer: %d\n", err);
+-			bcm4908enet_dma_uninit(enet);
++			bcm4908_enet_dma_uninit(enet);
+ 			return err;
+ 		}
+ 	}
+ 
+-	bcm4908enet_dma_ring_init(enet, &enet->tx_ring);
+-	bcm4908enet_dma_ring_init(enet, &enet->rx_ring);
++	bcm4908_enet_dma_ring_init(enet, &enet->tx_ring);
++	bcm4908_enet_dma_ring_init(enet, &enet->rx_ring);
+ 
+ 	return 0;
+ }
+ 
+-static void bcm4908enet_dma_tx_ring_ensable(struct bcm4908enet *enet,
+-					    struct bcm4908enet_dma_ring *ring)
++static void bcm4908_enet_dma_tx_ring_ensable(struct bcm4908_enet *enet,
++					     struct bcm4908_enet_dma_ring *ring)
+ {
+ 	enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
+ }
+ 
+-static void bcm4908enet_dma_tx_ring_disable(struct bcm4908enet *enet,
+-					    struct bcm4908enet_dma_ring *ring)
++static void bcm4908_enet_dma_tx_ring_disable(struct bcm4908_enet *enet,
++					     struct bcm4908_enet_dma_ring *ring)
+ {
+ 	enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, 0);
+ }
+ 
+-static void bcm4908enet_dma_rx_ring_enable(struct bcm4908enet *enet,
+-					   struct bcm4908enet_dma_ring *ring)
++static void bcm4908_enet_dma_rx_ring_enable(struct bcm4908_enet *enet,
++					    struct bcm4908_enet_dma_ring *ring)
+ {
+ 	enet_set(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
+ }
+ 
+-static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet,
+-					    struct bcm4908enet_dma_ring *ring)
++static void bcm4908_enet_dma_rx_ring_disable(struct bcm4908_enet *enet,
++					     struct bcm4908_enet_dma_ring *ring)
+ {
+ 	unsigned long deadline;
+ 	u32 tmp;
+@@ -376,7 +377,7 @@ static void bcm4908enet_dma_rx_ring_disable(struct bcm4908enet *enet,
+  * Ethernet driver
+  */
+ 
+-static void bcm4908enet_gmac_init(struct bcm4908enet *enet)
++static void bcm4908_enet_gmac_init(struct bcm4908_enet *enet)
+ {
+ 	u32 cmd;
+ 
+@@ -407,75 +408,75 @@ static void bcm4908enet_gmac_init(struct bcm4908enet *enet)
+ 		     ENET_GMAC_STATUS_LINK_UP);
+ }
+ 
+-static irqreturn_t bcm4908enet_irq_handler(int irq, void *dev_id)
++static irqreturn_t bcm4908_enet_irq_handler(int irq, void *dev_id)
+ {
+-	struct bcm4908enet *enet = dev_id;
++	struct bcm4908_enet *enet = dev_id;
+ 
+-	bcm4908enet_intrs_off(enet);
+-	bcm4908enet_intrs_ack(enet);
++	bcm4908_enet_intrs_off(enet);
++	bcm4908_enet_intrs_ack(enet);
+ 
+ 	napi_schedule(&enet->napi);
+ 
+ 	return IRQ_HANDLED;
+ }
+ 
+-static int bcm4908enet_open(struct net_device *netdev)
++static int bcm4908_enet_open(struct net_device *netdev)
+ {
+-	struct bcm4908enet *enet = netdev_priv(netdev);
++	struct bcm4908_enet *enet = netdev_priv(netdev);
+ 	struct device *dev = enet->dev;
+ 	int err;
+ 
+-	err = request_irq(netdev->irq, bcm4908enet_irq_handler, 0, "enet", enet);
++	err = request_irq(netdev->irq, bcm4908_enet_irq_handler, 0, "enet", enet);
+ 	if (err) {
+ 		dev_err(dev, "Failed to request IRQ %d: %d\n", netdev->irq, err);
+ 		return err;
+ 	}
+ 
+-	bcm4908enet_gmac_init(enet);
+-	bcm4908enet_dma_reset(enet);
+-	bcm4908enet_dma_init(enet);
++	bcm4908_enet_gmac_init(enet);
++	bcm4908_enet_dma_reset(enet);
++	bcm4908_enet_dma_init(enet);
+ 
+ 	enet_umac_set(enet, UMAC_CMD, CMD_TX_EN | CMD_RX_EN);
+ 
+ 	enet_set(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_MASTER_EN);
+ 	enet_maskset(enet, ENET_DMA_CONTROLLER_CFG, ENET_DMA_CTRL_CFG_FLOWC_CH1_EN, 0);
+-	bcm4908enet_dma_rx_ring_enable(enet, &enet->rx_ring);
++	bcm4908_enet_dma_rx_ring_enable(enet, &enet->rx_ring);
+ 
+ 	napi_enable(&enet->napi);
+ 	netif_carrier_on(netdev);
+ 	netif_start_queue(netdev);
+ 
+-	bcm4908enet_intrs_ack(enet);
+-	bcm4908enet_intrs_on(enet);
++	bcm4908_enet_intrs_ack(enet);
++	bcm4908_enet_intrs_on(enet);
+ 
+ 	return 0;
+ }
+ 
+-static int bcm4908enet_stop(struct net_device *netdev)
++static int bcm4908_enet_stop(struct net_device *netdev)
+ {
+-	struct bcm4908enet *enet = netdev_priv(netdev);
++	struct bcm4908_enet *enet = netdev_priv(netdev);
+ 
+ 	netif_stop_queue(netdev);
+ 	netif_carrier_off(netdev);
+ 	napi_disable(&enet->napi);
+ 
+-	bcm4908enet_dma_rx_ring_disable(enet, &enet->rx_ring);
+-	bcm4908enet_dma_tx_ring_disable(enet, &enet->tx_ring);
++	bcm4908_enet_dma_rx_ring_disable(enet, &enet->rx_ring);
++	bcm4908_enet_dma_tx_ring_disable(enet, &enet->tx_ring);
+ 
+-	bcm4908enet_dma_uninit(enet);
++	bcm4908_enet_dma_uninit(enet);
+ 
+ 	free_irq(enet->netdev->irq, enet);
+ 
+ 	return 0;
+ }
+ 
+-static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
++static int bcm4908_enet_start_xmit(struct sk_buff *skb, struct net_device *netdev)
+ {
+-	struct bcm4908enet *enet = netdev_priv(netdev);
+-	struct bcm4908enet_dma_ring *ring = &enet->tx_ring;
+-	struct bcm4908enet_dma_ring_slot *slot;
++	struct bcm4908_enet *enet = netdev_priv(netdev);
++	struct bcm4908_enet_dma_ring *ring = &enet->tx_ring;
++	struct bcm4908_enet_dma_ring_slot *slot;
+ 	struct device *dev = enet->dev;
+-	struct bcm4908enet_dma_ring_bd *buf_desc;
++	struct bcm4908_enet_dma_ring_bd *buf_desc;
+ 	int free_buf_descs;
+ 	u32 tmp;
+ 
+@@ -525,7 +526,7 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev
+ 	buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
+ 	buf_desc->ctl = cpu_to_le32(tmp);
+ 
+-	bcm4908enet_dma_tx_ring_ensable(enet, &enet->tx_ring);
++	bcm4908_enet_dma_tx_ring_ensable(enet, &enet->tx_ring);
+ 
+ 	if (++ring->write_idx == ring->length - 1)
+ 		ring->write_idx = 0;
+@@ -535,15 +536,15 @@ static int bcm4908enet_start_xmit(struct sk_buff *skb, struct net_device *netdev
+ 	return NETDEV_TX_OK;
+ }
+ 
+-static int bcm4908enet_poll(struct napi_struct *napi, int weight)
++static int bcm4908_enet_poll(struct napi_struct *napi, int weight)
+ {
+-	struct bcm4908enet *enet = container_of(napi, struct bcm4908enet, napi);
++	struct bcm4908_enet *enet = container_of(napi, struct bcm4908_enet, napi);
+ 	struct device *dev = enet->dev;
+ 	int handled = 0;
+ 
+ 	while (handled < weight) {
+-		struct bcm4908enet_dma_ring_bd *buf_desc;
+-		struct bcm4908enet_dma_ring_slot slot;
++		struct bcm4908_enet_dma_ring_bd *buf_desc;
++		struct bcm4908_enet_dma_ring_slot slot;
+ 		u32 ctl;
+ 		int len;
+ 		int err;
+@@ -556,7 +557,7 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight)
+ 		slot = enet->rx_ring.slots[enet->rx_ring.read_idx];
+ 
+ 		/* Provide new buffer before unpinning the old one */
+-		err = bcm4908enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx);
++		err = bcm4908_enet_dma_alloc_rx_buf(enet, enet->rx_ring.read_idx);
+ 		if (err)
+ 			break;
+ 
+@@ -583,24 +584,24 @@ static int bcm4908enet_poll(struct napi_struct *napi, int weight)
+ 
+ 	if (handled < weight) {
+ 		napi_complete_done(napi, handled);
+-		bcm4908enet_intrs_on(enet);
++		bcm4908_enet_intrs_on(enet);
+ 	}
+ 
+ 	return handled;
+ }
+ 
+ static const struct net_device_ops bcm96xx_netdev_ops = {
+-	.ndo_open = bcm4908enet_open,
+-	.ndo_stop = bcm4908enet_stop,
+-	.ndo_start_xmit = bcm4908enet_start_xmit,
++	.ndo_open = bcm4908_enet_open,
++	.ndo_stop = bcm4908_enet_stop,
++	.ndo_start_xmit = bcm4908_enet_start_xmit,
+ 	.ndo_set_mac_address = eth_mac_addr,
+ };
+ 
+-static int bcm4908enet_probe(struct platform_device *pdev)
++static int bcm4908_enet_probe(struct platform_device *pdev)
+ {
+ 	struct device *dev = &pdev->dev;
+ 	struct net_device *netdev;
+-	struct bcm4908enet *enet;
++	struct bcm4908_enet *enet;
+ 	int err;
+ 
+ 	netdev = devm_alloc_etherdev(dev, sizeof(*enet));
+@@ -623,7 +624,7 @@ static int bcm4908enet_probe(struct platform_device *pdev)
+ 
+ 	dma_set_coherent_mask(dev, DMA_BIT_MASK(32));
+ 
+-	err = bcm4908enet_dma_alloc(enet);
++	err = bcm4908_enet_dma_alloc(enet);
+ 	if (err)
+ 		return err;
+ 
+@@ -633,11 +634,11 @@ static int bcm4908enet_probe(struct platform_device *pdev)
+ 	netdev->min_mtu = ETH_ZLEN;
+ 	netdev->mtu = ENET_MTU_MAX;
+ 	netdev->max_mtu = ENET_MTU_MAX;
+-	netif_napi_add(netdev, &enet->napi, bcm4908enet_poll, 64);
++	netif_napi_add(netdev, &enet->napi, bcm4908_enet_poll, 64);
+ 
+ 	err = register_netdev(netdev);
+ 	if (err) {
+-		bcm4908enet_dma_free(enet);
++		bcm4908_enet_dma_free(enet);
+ 		return err;
+ 	}
+ 
+@@ -646,31 +647,31 @@ static int bcm4908enet_probe(struct platform_device *pdev)
+ 	return 0;
+ }
+ 
+-static int bcm4908enet_remove(struct platform_device *pdev)
++static int bcm4908_enet_remove(struct platform_device *pdev)
+ {
+-	struct bcm4908enet *enet = platform_get_drvdata(pdev);
++	struct bcm4908_enet *enet = platform_get_drvdata(pdev);
+ 
+ 	unregister_netdev(enet->netdev);
+ 	netif_napi_del(&enet->napi);
+-	bcm4908enet_dma_free(enet);
++	bcm4908_enet_dma_free(enet);
+ 
+ 	return 0;
+ }
+ 
+-static const struct of_device_id bcm4908enet_of_match[] = {
+-	{ .compatible = "brcm,bcm4908enet"},
++static const struct of_device_id bcm4908_enet_of_match[] = {
++	{ .compatible = "brcm,bcm4908-enet"},
+ 	{},
+ };
+ 
+-static struct platform_driver bcm4908enet_driver = {
++static struct platform_driver bcm4908_enet_driver = {
+ 	.driver = {
+-		.name = "bcm4908enet",
+-		.of_match_table = bcm4908enet_of_match,
++		.name = "bcm4908_enet",
++		.of_match_table = bcm4908_enet_of_match,
+ 	},
+-	.probe	= bcm4908enet_probe,
+-	.remove = bcm4908enet_remove,
++	.probe	= bcm4908_enet_probe,
++	.remove = bcm4908_enet_remove,
+ };
+-module_platform_driver(bcm4908enet_driver);
++module_platform_driver(bcm4908_enet_driver);
+ 
+ MODULE_LICENSE("GPL v2");
+-MODULE_DEVICE_TABLE(of, bcm4908enet_of_match);
++MODULE_DEVICE_TABLE(of, bcm4908_enet_of_match);
+diff --git a/drivers/net/ethernet/broadcom/bcm4908enet.h b/drivers/net/ethernet/broadcom/bcm4908_enet.h
+similarity index 98%
+rename from drivers/net/ethernet/broadcom/bcm4908enet.h
+rename to drivers/net/ethernet/broadcom/bcm4908_enet.h
+index 11aadf0715d3..8a3ede2da537 100644
+--- a/drivers/net/ethernet/broadcom/bcm4908enet.h
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.h
+@@ -1,6 +1,6 @@
+ /* SPDX-License-Identifier: GPL-2.0-only */
+-#ifndef __BCM4908ENET_H
+-#define __BCM4908ENET_H
++#ifndef __BCM4908_ENET_H
++#define __BCM4908_ENET_H
+ 
+ #define ENET_CONTROL					0x000
+ #define ENET_MIB_CTRL					0x004
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch
new file mode 100644
index 0000000000..561f045b75
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0004-net-broadcom-bcm4908_enet-drop-unneeded-memset.patch
@@ -0,0 +1,30 @@
+From af263af64683f018be9ce3c309edfa9903f5109a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:35 +0100
+Subject: [PATCH] net: broadcom: bcm4908_enet: drop unneeded memset()
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+dma_alloc_coherent takes care of zeroing allocated memory
+
+Suggested-by: Andrew Lunn <andrew at lunn.ch>
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Andrew Lunn <andrew at lunn.ch>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 --
+ 1 file changed, 2 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -163,8 +163,6 @@ static int bcm4908_dma_alloc_buf_descs(s
+ 	if (!ring->slots)
+ 		goto err_free_buf_descs;
+ 
+-	memset(ring->cpu_addr, 0, size);
+-
+ 	ring->read_idx = 0;
+ 	ring->write_idx = 0;
+ 
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch
new file mode 100644
index 0000000000..a8c188f30d
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0005-net-broadcom-bcm4908_enet-drop-inline-from-C-functio.patch
@@ -0,0 +1,75 @@
+From 7b778ae4eb9cd6e1518e4e47902a104b13ae8929 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:36 +0100
+Subject: [PATCH] net: broadcom: bcm4908_enet: drop "inline" from C functions
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+It seems preferred to let compiler optimize code if applicable.
+While at it drop unused enet_umac_maskset().
+
+Suggested-by: Andrew Lunn <andrew at lunn.ch>
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Andrew Lunn <andrew at lunn.ch>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bcm4908_enet.c | 19 +++++++------------
+ 1 file changed, 7 insertions(+), 12 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -75,17 +75,17 @@ struct bcm4908_enet {
+  * R/W ops
+  */
+ 
+-static inline u32 enet_read(struct bcm4908_enet *enet, u16 offset)
++static u32 enet_read(struct bcm4908_enet *enet, u16 offset)
+ {
+ 	return readl(enet->base + offset);
+ }
+ 
+-static inline void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value)
++static void enet_write(struct bcm4908_enet *enet, u16 offset, u32 value)
+ {
+ 	writel(value, enet->base + offset);
+ }
+ 
+-static inline void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
++static void enet_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
+ {
+ 	u32 val;
+ 
+@@ -96,27 +96,22 @@ static inline void enet_maskset(struct b
+ 	enet_write(enet, offset, val);
+ }
+ 
+-static inline void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set)
++static void enet_set(struct bcm4908_enet *enet, u16 offset, u32 set)
+ {
+ 	enet_maskset(enet, offset, set, set);
+ }
+ 
+-static inline u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset)
++static u32 enet_umac_read(struct bcm4908_enet *enet, u16 offset)
+ {
+ 	return enet_read(enet, ENET_UNIMAC + offset);
+ }
+ 
+-static inline void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value)
++static void enet_umac_write(struct bcm4908_enet *enet, u16 offset, u32 value)
+ {
+ 	enet_write(enet, ENET_UNIMAC + offset, value);
+ }
+ 
+-static inline void enet_umac_maskset(struct bcm4908_enet *enet, u16 offset, u32 mask, u32 set)
+-{
+-	enet_maskset(enet, ENET_UNIMAC + offset, mask, set);
+-}
+-
+-static inline void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set)
++static void enet_umac_set(struct bcm4908_enet *enet, u16 offset, u32 set)
+ {
+ 	enet_set(enet, ENET_UNIMAC + offset, set);
+ }
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch
new file mode 100644
index 0000000000..1aacb1c8cf
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0006-net-broadcom-bcm4908_enet-fix-minor-typos.patch
@@ -0,0 +1,60 @@
+From e3948811720341f99cd5cb4a8a650473400ec4f8 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:37 +0100
+Subject: [PATCH] net: broadcom: bcm4908_enet: fix minor typos
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+1. Fix "ensable" typo noticed by Andrew
+2. Fix chipset name in the struct net_device_ops variable
+
+Suggested-by: Andrew Lunn <andrew at lunn.ch>
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Andrew Lunn <andrew at lunn.ch>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bcm4908_enet.c | 10 +++++-----
+ 1 file changed, 5 insertions(+), 5 deletions(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -328,8 +328,8 @@ static int bcm4908_enet_dma_init(struct
+ 	return 0;
+ }
+ 
+-static void bcm4908_enet_dma_tx_ring_ensable(struct bcm4908_enet *enet,
+-					     struct bcm4908_enet_dma_ring *ring)
++static void bcm4908_enet_dma_tx_ring_enable(struct bcm4908_enet *enet,
++					    struct bcm4908_enet_dma_ring *ring)
+ {
+ 	enet_write(enet, ring->cfg_block + ENET_DMA_CH_CFG, ENET_DMA_CH_CFG_ENABLE);
+ }
+@@ -519,7 +519,7 @@ static int bcm4908_enet_start_xmit(struc
+ 	buf_desc->addr = cpu_to_le32((uint32_t)slot->dma_addr);
+ 	buf_desc->ctl = cpu_to_le32(tmp);
+ 
+-	bcm4908_enet_dma_tx_ring_ensable(enet, &enet->tx_ring);
++	bcm4908_enet_dma_tx_ring_enable(enet, &enet->tx_ring);
+ 
+ 	if (++ring->write_idx == ring->length - 1)
+ 		ring->write_idx = 0;
+@@ -583,7 +583,7 @@ static int bcm4908_enet_poll(struct napi
+ 	return handled;
+ }
+ 
+-static const struct net_device_ops bcm96xx_netdev_ops = {
++static const struct net_device_ops bcm4908_enet_netdev_ops = {
+ 	.ndo_open = bcm4908_enet_open,
+ 	.ndo_stop = bcm4908_enet_stop,
+ 	.ndo_start_xmit = bcm4908_enet_start_xmit,
+@@ -623,7 +623,7 @@ static int bcm4908_enet_probe(struct pla
+ 
+ 	SET_NETDEV_DEV(netdev, &pdev->dev);
+ 	eth_hw_addr_random(netdev);
+-	netdev->netdev_ops = &bcm96xx_netdev_ops;
++	netdev->netdev_ops = &bcm4908_enet_netdev_ops;
+ 	netdev->min_mtu = ETH_ZLEN;
+ 	netdev->mtu = ENET_MTU_MAX;
+ 	netdev->max_mtu = ENET_MTU_MAX;
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch
new file mode 100644
index 0000000000..1b51979d71
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0007-net-broadcom-bcm4908_enet-fix-received-skb-length.patch
@@ -0,0 +1,28 @@
+From 195e2d9febfbeef1d09701c387925e5c2f5cb038 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:38 +0100
+Subject: [PATCH] net: broadcom: bcm4908_enet: fix received skb length
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Use ETH_FCS_LEN instead of magic value and drop incorrect + 2
+
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -567,7 +567,7 @@ static int bcm4908_enet_poll(struct napi
+ 
+ 		dma_unmap_single(dev, slot.dma_addr, slot.len, DMA_FROM_DEVICE);
+ 
+-		skb_put(slot.skb, len - 4 + 2);
++		skb_put(slot.skb, len - ETH_FCS_LEN);
+ 		slot.skb->protocol = eth_type_trans(slot.skb, enet->netdev);
+ 		netif_receive_skb(slot.skb);
+ 
diff --git a/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch b/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch
new file mode 100644
index 0000000000..eda0bf482e
--- /dev/null
+++ b/target/linux/bcm4908/patches-5.4/073-v5.12-0008-net-broadcom-bcm4908_enet-fix-endianness-in-xmit-cod.patch
@@ -0,0 +1,28 @@
+From bdd70b997799099597fc0952fb0ec1bd80505bc4 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal at milecki.pl>
+Date: Thu, 11 Feb 2021 13:12:39 +0100
+Subject: [PATCH] net: broadcom: bcm4908_enet: fix endianness in xmit code
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Use le32_to_cpu() for reading __le32 struct field filled by hw.
+
+Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
+Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/ethernet/broadcom/bcm4908_enet.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+--- a/drivers/net/ethernet/broadcom/bcm4908_enet.c
++++ b/drivers/net/ethernet/broadcom/bcm4908_enet.c
+@@ -476,7 +476,7 @@ static int bcm4908_enet_start_xmit(struc
+ 	/* Free transmitted skbs */
+ 	while (ring->read_idx != ring->write_idx) {
+ 		buf_desc = &ring->buf_desc[ring->read_idx];
+-		if (buf_desc->ctl & DMA_CTL_STATUS_OWN)
++		if (le32_to_cpu(buf_desc->ctl) & DMA_CTL_STATUS_OWN)
+ 			break;
+ 		slot = &ring->slots[ring->read_idx];
+ 
diff --git a/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch b/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch
index e462174ca6..29e48c7f6c 100644
--- a/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch
+++ b/target/linux/bcm4908/patches-5.4/082-v5.12-0002-soc-bcm-add-PM-driver-for-Broadcom-s-PMB.patch
@@ -24,7 +24,7 @@ Signed-off-by: Florian Fainelli <f.fainelli at gmail.com>
 
 --- a/MAINTAINERS
 +++ b/MAINTAINERS
-@@ -3405,6 +3405,16 @@ L:	linux-mips at vger.kernel.org
+@@ -3414,6 +3414,16 @@ L:	linux-mips at vger.kernel.org
  S:	Maintained
  F:	drivers/firmware/broadcom/*
  
diff --git a/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch b/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch
index f70487cecc..ed8fac387f 100644
--- a/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch
+++ b/target/linux/bcm4908/patches-5.4/302-arm64-dts-broadcom-bcm4908-describe-Ethernet-control.patch
@@ -12,7 +12,7 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 
 --- a/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
 +++ b/arch/arm64/boot/dts/broadcom/bcm4908/bcm4908.dtsi
-@@ -112,6 +112,13 @@
+@@ -112,6 +112,14 @@
  		#size-cells = <1>;
  		ranges = <0x00 0x00 0x80000000 0x281000>;
  
@@ -21,12 +21,13 @@ Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
 +			reg = <0x2000 0x1000>;
 +
 +			interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
++			interrupt-names = "rx";
 +		};
 +
  		usb_phy: usb-phy at c200 {
  			compatible = "brcm,bcm4908-usb-phy";
  			reg = <0xc200 0x100>;
-@@ -199,6 +206,18 @@
+@@ -199,6 +207,18 @@
  						phy-mode = "internal";
  						phy-handle = <&phy11>;
  					};



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