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e39414ed07
Refreshed all patches Dropped upstreamed patches: 522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch 523-PCI-aardvark-set-PIO_ADDR_LS-correctly-in-advk_pcie_rd_conf.patch 525-PCI-aardvark-use-isr1-instead-of-isr0-interrupt-in-legacy-irq-mode.patch 527-PCI-aardvark-fix-PCIe-max-read-request-size-setting.patch updated patches: 524-PCI-aardvark-set-host-and-device-to-the-same-MAX-payload-size.patch 030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch Added new ARM64 symbol: CONFIG_ARM64_ERRATUM_1024718 Compile-tested on: cns3xxx, imx6, mvebu (arm64), x86_64 Runtime-tested on: cns3xxx, imx6, x86_64 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
69 lines
2.1 KiB
Diff
69 lines
2.1 KiB
Diff
Add support for configuring AT803x GPIO reset via platform data.
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This is necessary, because ath79 is not converted to device tree yet.
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Signed-off-by: Felix Fietkau <nbd@nbd.name>
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--- a/include/linux/platform_data/phy-at803x.h
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+++ b/include/linux/platform_data/phy-at803x.h
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@@ -6,6 +6,8 @@ struct at803x_platform_data {
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int enable_rgmii_tx_delay:1;
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int enable_rgmii_rx_delay:1;
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int fixup_rgmii_tx_delay:1;
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+ int has_reset_gpio:1;
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+ int reset_gpio;
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};
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#endif /* _PHY_AT803X_PDATA_H */
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -261,6 +261,7 @@ static int at803x_resume(struct phy_devi
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static int at803x_probe(struct phy_device *phydev)
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{
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+ struct at803x_platform_data *pdata;
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struct device *dev = &phydev->mdio.dev;
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struct at803x_priv *priv;
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struct gpio_desc *gpiod_reset;
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@@ -273,6 +274,12 @@ static int at803x_probe(struct phy_devic
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phydev->drv->phy_id != ATH8032_PHY_ID)
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goto does_not_require_reset_workaround;
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+ pdata = dev_get_platdata(dev);
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+ if (pdata && pdata->has_reset_gpio) {
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+ devm_gpio_request(dev, pdata->reset_gpio, "reset");
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+ gpio_direction_output(pdata->reset_gpio, 1);
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+ }
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+
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gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW);
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if (IS_ERR(gpiod_reset))
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return PTR_ERR(gpiod_reset);
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@@ -404,15 +411,23 @@ static void at803x_link_change_notify(st
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* cannot recover from by software.
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*/
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if (phydev->state == PHY_NOLINK) {
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- if (priv->gpiod_reset && !priv->phy_reset) {
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+ if ((priv->gpiod_reset || (pdata && pdata->has_reset_gpio)) &&
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+ !priv->phy_reset) {
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struct at803x_context context;
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at803x_context_save(phydev, &context);
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- gpiod_set_value(priv->gpiod_reset, 1);
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- msleep(1);
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- gpiod_set_value(priv->gpiod_reset, 0);
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- msleep(1);
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+ if (pdata && pdata->has_reset_gpio) {
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+ gpio_set_value_cansleep(pdata->reset_gpio, 0);
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+ msleep(1);
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+ gpio_set_value_cansleep(pdata->reset_gpio, 1);
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+ msleep(1);
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+ } else {
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+ gpiod_set_value(priv->gpiod_reset, 1);
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+ msleep(1);
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+ gpiod_set_value(priv->gpiod_reset, 0);
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+ msleep(1);
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+ }
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at803x_context_restore(phydev, &context);
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