[openwrt/openwrt] kernel: backport upstreamed DSA B53 MMAP patch

LEDE Commits lede-commits at lists.infradead.org
Sat Apr 1 13:39:43 PDT 2023


noltari pushed a commit to openwrt/openwrt.git, branch master:
https://git.openwrt.org/fdc857358747fcf0c905779e3f114af66feeab1a

commit fdc857358747fcf0c905779e3f114af66feeab1a
Author: Álvaro Fernández Rojas <noltari at gmail.com>
AuthorDate: Sat Apr 1 20:58:54 2023 +0200

    kernel: backport upstreamed DSA B53 MMAP patch
    
    Move the patch from pending to backport, since it has been accepted upstream:
    https://github.com/torvalds/linux/commit/45977e58ce65ed0459edc9a0466d9dfea09463f5
    
    Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
---
 ...43-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch |  49 +++++++++
 .../773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch  |   2 +-
 ...-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch |   4 +-
 .../776-net-dsa-b53-mmap-add-phy-ops.patch         | 118 ---------------------
 4 files changed, 52 insertions(+), 121 deletions(-)

diff --git a/target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch b/target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch
new file mode 100644
index 0000000000..f35ae2588b
--- /dev/null
+++ b/target/linux/generic/backport-5.15/743-v6.3-0005-net-dsa-b53-mmap-add-phy-ops.patch
@@ -0,0 +1,49 @@
+From 45977e58ce65ed0459edc9a0466d9dfea09463f5 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= <noltari at gmail.com>
+Date: Thu, 23 Mar 2023 20:48:41 +0100
+Subject: [PATCH] net: dsa: b53: mmap: add phy ops
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
+B53_PORT_MII_PAGE registers which hangs the device.
+This access should be done through the MDIO Mux bus controller.
+
+Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
+Acked-by: Florian Fainelli <f.fainelli at gmail.com>
+Signed-off-by: David S. Miller <davem at davemloft.net>
+---
+ drivers/net/dsa/b53/b53_mmap.c | 14 ++++++++++++++
+ 1 file changed, 14 insertions(+)
+
+--- a/drivers/net/dsa/b53/b53_mmap.c
++++ b/drivers/net/dsa/b53/b53_mmap.c
+@@ -216,6 +216,18 @@ static int b53_mmap_write64(struct b53_d
+ 	return 0;
+ }
+ 
++static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg,
++			       u16 *value)
++{
++	return -EIO;
++}
++
++static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg,
++				u16 value)
++{
++	return -EIO;
++}
++
+ static const struct b53_io_ops b53_mmap_ops = {
+ 	.read8 = b53_mmap_read8,
+ 	.read16 = b53_mmap_read16,
+@@ -227,6 +239,8 @@ static const struct b53_io_ops b53_mmap_
+ 	.write32 = b53_mmap_write32,
+ 	.write48 = b53_mmap_write48,
+ 	.write64 = b53_mmap_write64,
++	.phy_read16 = b53_mmap_phy_read16,
++	.phy_write16 = b53_mmap_phy_write16,
+ };
+ 
+ static int b53_mmap_probe_of(struct platform_device *pdev,
diff --git a/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch b/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch
index 1e95425952..e2da4e7f05 100644
--- a/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch
+++ b/target/linux/generic/pending-5.15/773-net-dsa-b53-mmap-add-more-63xx-SoCs.patch
@@ -94,7 +94,7 @@ Reviewed-by: Florian Fainelli <f.fainelli at gmail.com>
 
 --- a/drivers/net/dsa/b53/b53_mmap.c
 +++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -333,8 +333,11 @@ static void b53_mmap_shutdown(struct pla
+@@ -347,8 +347,11 @@ static void b53_mmap_shutdown(struct pla
  
  static const struct of_device_id b53_mmap_of_table[] = {
  	{ .compatible = "brcm,bcm3384-switch" },
diff --git a/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch b/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch
index b84ad12d01..456643f05d 100644
--- a/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch
+++ b/target/linux/generic/pending-5.15/774-net-dsa-b53-mmap-allow-passing-a-chip-ID.patch
@@ -122,7 +122,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
  		.vlans = 4096,
 --- a/drivers/net/dsa/b53/b53_mmap.c
 +++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -248,7 +248,7 @@ static int b53_mmap_probe_of(struct plat
+@@ -262,7 +262,7 @@ static int b53_mmap_probe_of(struct plat
  		return -ENOMEM;
  
  	pdata->regs = mem;
@@ -131,7 +131,7 @@ Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
  	pdata->big_endian = of_property_read_bool(np, "big-endian");
  
  	of_ports = of_get_child_by_name(np, "ports");
-@@ -332,14 +332,28 @@ static void b53_mmap_shutdown(struct pla
+@@ -346,14 +346,28 @@ static void b53_mmap_shutdown(struct pla
  }
  
  static const struct of_device_id b53_mmap_of_table[] = {
diff --git a/target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch b/target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch
deleted file mode 100644
index 786e07c8bb..0000000000
--- a/target/linux/generic/pending-5.15/776-net-dsa-b53-mmap-add-phy-ops.patch
+++ /dev/null
@@ -1,118 +0,0 @@
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-Subject: [PATCH] net: dsa: b53: mmap: add phy ops
-Date: Thu, 23 Mar 2023 20:48:41 +0100
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-
-Implement phy_read16() and phy_write16() ops for B53 MMAP to avoid accessing
-B53_PORT_MII_PAGE registers which hangs the device.
-This access should be done through the MDIO Mux bus controller.
-
-Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
----
- drivers/net/dsa/b53/b53_mmap.c | 14 ++++++++++++++
- 1 file changed, 14 insertions(+)
-
---- a/drivers/net/dsa/b53/b53_mmap.c
-+++ b/drivers/net/dsa/b53/b53_mmap.c
-@@ -216,6 +216,18 @@ static int b53_mmap_write64(struct b53_d
- 	return 0;
- }
- 
-+static int b53_mmap_phy_read16(struct b53_device *dev, int addr, int reg,
-+			       u16 *value)
-+{
-+	return -EIO;
-+}
-+
-+static int b53_mmap_phy_write16(struct b53_device *dev, int addr, int reg,
-+				u16 value)
-+{
-+	return -EIO;
-+}
-+
- static const struct b53_io_ops b53_mmap_ops = {
- 	.read8 = b53_mmap_read8,
- 	.read16 = b53_mmap_read16,
-@@ -227,6 +239,8 @@ static const struct b53_io_ops b53_mmap_
- 	.write32 = b53_mmap_write32,
- 	.write48 = b53_mmap_write48,
- 	.write64 = b53_mmap_write64,
-+	.phy_read16 = b53_mmap_phy_read16,
-+	.phy_write16 = b53_mmap_phy_write16,
- };
- 
- static int b53_mmap_probe_of(struct platform_device *pdev,




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