[PATCH 2/3] davinci_emac: adjust to new phylib framework
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Wed Sep 26 09:59:08 EDT 2012
On 15:17 Wed 26 Sep , Jan Luebbe wrote:
> Signed-off-by: Jan Luebbe <jlu at pengutronix.de>
> ---
> drivers/net/Kconfig | 2 +-
> drivers/net/davinci_emac.c | 45 ++++++++++++++++++++++----------------------
> 2 files changed, 24 insertions(+), 23 deletions(-)
>
> diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
> index b0da2c5..b3e5a83 100644
> --- a/drivers/net/Kconfig
> +++ b/drivers/net/Kconfig
> @@ -48,7 +48,7 @@ config DRIVER_NET_SMC91111
> config DRIVER_NET_DAVINCI_EMAC
> bool "TI Davinci/OMAP EMAC ethernet driver"
> depends on ARCH_DAVINCI || ARCH_OMAP3
> - select MIIDEV
> + select PHYLIB
>
> config DRIVER_NET_DM9K
> bool "Davicom dm9k[E|A|B] ethernet driver"
> diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
> index 7f39972..a8b4b36 100644
> --- a/drivers/net/davinci_emac.c
> +++ b/drivers/net/davinci_emac.c
> @@ -43,18 +43,18 @@
> #include <io.h>
> #include <clock.h>
> #include <net.h>
> -#include <miidev.h>
> #include <malloc.h>
> #include <init.h>
> #include <asm/mmu.h>
> #include <asm/system.h>
> +#include <linux/phy.h>
> #include <mach/emac_defs.h>
> #include "davinci_emac.h"
>
> struct davinci_emac_priv {
> struct device_d *dev;
> struct eth_device edev;
> - struct mii_device miidev;
> + struct mii_bus miibus;
>
> /* EMAC Addresses */
> void __iomem *adap_emac; /* = EMAC_BASE_ADDR */
> @@ -167,16 +167,16 @@ static int davinci_eth_phy_write(struct davinci_emac_priv *priv, uint8_t phy_add
> return 1;
> }
>
> -static int davinci_miidev_read(struct mii_device *dev, int addr, int reg)
> +static int davinci_miibus_read(struct mii_bus *bus, int addr, int reg)
> {
> - struct davinci_emac_priv *priv = (struct davinci_emac_priv *)dev->edev->priv;
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)bus->priv;
you can drop the cast priv is a void*
> uint16_t value = 0;
> return davinci_eth_phy_read(priv, addr, reg, &value) ? value : -1;
> }
>
> -static int davinci_miidev_write(struct mii_device *dev, int addr, int reg, int value)
> +static int davinci_miibus_write(struct mii_bus *bus, int addr, int reg, u16 value)
> {
> - struct davinci_emac_priv *priv = (struct davinci_emac_priv *)dev->edev->priv;
> + struct davinci_emac_priv *priv = (struct davinci_emac_priv *)bus->priv;
> return davinci_eth_phy_write(priv, addr, reg, value) ? 0 : -1;
> }
>
> @@ -318,16 +318,12 @@ static int davinci_emac_open(struct eth_device *edev)
> /* Start receive process */
> writel(BD_TO_HW(priv->emac_rx_desc), priv->adap_emac + EMAC_RX0HDP);
>
> - ret = miidev_wait_aneg(&priv->miidev);
> + ret = phy_device_connect(edev, &priv->miibus, priv->active_phy_addr, NULL,
> + PHYLIB_FORCE_LINK,
> + PHY_INTERFACE_MODE_NA);
why FORCE_LINK in the driver make no sense this board config
Best Regards,
J.
> if (ret)
> return ret;
>
> - ret = miidev_get_status(&priv->miidev);
> - if (ret < 0)
> - return ret;
> -
> - miidev_print_status(&priv->miidev);
> -
> dev_dbg(priv->dev, "- emac_open\n");
>
> return 0;
> @@ -533,6 +529,7 @@ static int davinci_emac_probe(struct device_d *dev)
> {
> struct davinci_emac_priv *priv;
> uint64_t start;
> + uint32_t phy_mask;
>
> dev_dbg(dev, "+ emac_probe\n");
>
> @@ -573,22 +570,26 @@ static int davinci_emac_probe(struct device_d *dev)
>
> start = get_time_ns();
> while (1) {
> - if (readl(priv->adap_mdio + EMAC_MDIO_ALIVE))
> + phy_mask = readl(priv->adap_mdio + EMAC_MDIO_ALIVE);
> + if (phy_mask) {
> + dev_info(dev, "detected phy mask 0x%x\n", phy_mask);
> + phy_mask = ~phy_mask;
> break;
> + }
> if (is_timeout(start, 256 * MSECOND)) {
> - dev_err(dev, "No ETH PHY detected!\n");
> + dev_err(dev, "no live phy, scanning all\n");
> + phy_mask = 0;
> break;
> }
> }
>
> - priv->miidev.read = davinci_miidev_read;
> - priv->miidev.write = davinci_miidev_write;
> - priv->miidev.address = 0x01;
> - priv->miidev.flags = MIIDEV_FORCE_LINK;
> - priv->miidev.edev = &priv->edev;
> - priv->miidev.parent = dev;
> + priv->miibus.read = davinci_miibus_read;
> + priv->miibus.write = davinci_miibus_write;
> + priv->miibus.priv = priv;
> + priv->miibus.parent = dev;
> + priv->miibus.phy_mask = phy_mask;
>
> - mii_register(&priv->miidev);
> + mdiobus_register(&priv->miibus);
>
> eth_register(&priv->edev);
>
> --
> 1.7.10.4
>
>
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