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ath79: drop platform data patches

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Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2018-04-06 21:27:30 +02:00
parent a181781bf8
commit b2cef5d045
1 changed files with 0 additions and 68 deletions
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68
target/linux/ath79/patches-4.14/902-at803x-add-reset-gpio-pdata.patch
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@ -1,68 +0,0 @@
Add support for configuring AT803x GPIO reset via platform data.
This is necessary, because ath79 is not converted to device tree yet.
Signed-off-by: Felix Fietkau <nbd@nbd.name>
--- a/include/linux/platform_data/phy-at803x.h
+++ b/include/linux/platform_data/phy-at803x.h
@@ -6,6 +6,8 @@ struct at803x_platform_data {
int enable_rgmii_tx_delay:1;
int enable_rgmii_rx_delay:1;
int fixup_rgmii_tx_delay:1;
+ int has_reset_gpio:1;
+ int reset_gpio;
};
#endif /* _PHY_AT803X_PDATA_H */
--- a/drivers/net/phy/at803x.c
+++ b/drivers/net/phy/at803x.c
@@ -264,6 +264,7 @@ static int at803x_resume(struct phy_devi
static int at803x_probe(struct phy_device *phydev)
{
+ struct at803x_platform_data *pdata;
struct device *dev = &phydev->mdio.dev;
struct at803x_priv *priv;
struct gpio_desc *gpiod_reset;
@@ -276,6 +277,12 @@ static int at803x_probe(struct phy_devic
phydev->drv->phy_id != ATH8032_PHY_ID)
goto does_not_require_reset_workaround;
+ pdata = dev_get_platdata(dev);
+ if (pdata && pdata->has_reset_gpio) {
+ devm_gpio_request(dev, pdata->reset_gpio, "reset");
+ gpio_direction_output(pdata->reset_gpio, 1);
+ }
+
gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
if (IS_ERR(gpiod_reset))
return PTR_ERR(gpiod_reset);
@@ -407,15 +414,23 @@ static void at803x_link_change_notify(st
* cannot recover from by software.
*/
if (phydev->state == PHY_NOLINK) {
- if (priv->gpiod_reset && !priv->phy_reset) {
+ if ((priv->gpiod_reset || (pdata && pdata->has_reset_gpio)) &&
+ !priv->phy_reset) {
struct at803x_context context;
at803x_context_save(phydev, &context);
- gpiod_set_value(priv->gpiod_reset, 1);
- msleep(1);
- gpiod_set_value(priv->gpiod_reset, 0);
- msleep(1);
+ if (pdata && pdata->has_reset_gpio) {
+ gpio_set_value_cansleep(pdata->reset_gpio, 0);
+ msleep(1);
+ gpio_set_value_cansleep(pdata->reset_gpio, 1);
+ msleep(1);
+ } else {
+ gpiod_set_value(priv->gpiod_reset, 1);
+ msleep(1);
+ gpiod_set_value(priv->gpiod_reset, 0);
+ msleep(1);
+ }
at803x_context_restore(phydev, &context);