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758ef7aa99
Refresh patches on all 4.4 supported platforms. Compile & run tested: brcm2708/bcm2710 - Raspberry Pi 3 Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
82 lines
2.6 KiB
Diff
82 lines
2.6 KiB
Diff
From: Timur Tabi <timur@codeaurora.org>
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Date: Tue, 26 Apr 2016 12:44:18 -0500
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Subject: [PATCH] net: phy: at803x: only the AT8030 needs a hardware reset on
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link change
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Commit 13a56b44 ("at803x: Add support for hardware reset") added a
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work-around for a hardware bug on the AT8030. However, the work-around
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was being called for all 803x PHYs, even those that don't need it.
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Function at803x_link_change_notify() checks to make sure that it only
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resets the PHY on the 8030, but it makes more sense to not call that
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function at all if it isn't needed.
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Signed-off-by: Timur Tabi <timur@codeaurora.org>
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Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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---
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--- a/drivers/net/phy/at803x.c
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+++ b/drivers/net/phy/at803x.c
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@@ -374,27 +374,25 @@ static void at803x_link_change_notify(st
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* in the FIFO. In such cases, the FIFO enters an error mode it
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* cannot recover from by software.
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*/
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- if (phydev->drv->phy_id == ATH8030_PHY_ID) {
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- if (phydev->state == PHY_NOLINK) {
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- if (priv->gpiod_reset && !priv->phy_reset) {
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- struct at803x_context context;
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-
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- at803x_context_save(phydev, &context);
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-
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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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-
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- dev_dbg(&phydev->dev, "%s(): phy was reset\n",
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- __func__);
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- priv->phy_reset = true;
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- }
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- } else {
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- priv->phy_reset = false;
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+ if (phydev->state == PHY_NOLINK) {
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+ if (priv->gpiod_reset && !priv->phy_reset) {
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+ struct at803x_context context;
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+
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+ at803x_context_save(phydev, &context);
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+
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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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+
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+ dev_dbg(&phydev->dev, "%s(): phy was reset\n",
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+ __func__);
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+ priv->phy_reset = true;
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}
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+ } else {
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+ priv->phy_reset = false;
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}
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if (pdata && pdata->fixup_rgmii_tx_delay &&
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phydev->speed != priv->prev_speed) {
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@@ -426,7 +424,6 @@ static struct phy_driver at803x_driver[]
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.phy_id_mask = AT803X_PHY_ID_MASK,
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.probe = at803x_probe,
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.config_init = at803x_config_init,
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- .link_change_notify = at803x_link_change_notify,
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.set_wol = at803x_set_wol,
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.get_wol = at803x_get_wol,
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.suspend = at803x_suspend,
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@@ -468,7 +465,6 @@ static struct phy_driver at803x_driver[]
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.phy_id_mask = AT803X_PHY_ID_MASK,
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.probe = at803x_probe,
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.config_init = at803x_config_init,
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- .link_change_notify = at803x_link_change_notify,
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.set_wol = at803x_set_wol,
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.get_wol = at803x_get_wol,
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.suspend = at803x_suspend,
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