From 74d00a8c3849c1340efd713eb94b786e304c201f Mon Sep 17 00:00:00 2001 From: John Crispin Date: Sun, 25 Dec 2016 20:11:34 +0100 Subject: kernel: split patches folder up into backport, pending and hack folders * properly format/comment all patches * merge debloat patches * merge Kconfig patches * merge swconfig patches * merge hotplug patches * drop 200-fix_localversion.patch - upstream * drop 222-arm_zimage_none.patch - unused * drop 252-mv_cesa_depends.patch - no longer required * drop 410-mtd-move-forward-declaration-of-struct-mtd_info.patch - unused * drop 661-fq_codel_keep_dropped_stats.patch - outdated * drop 702-phy_add_aneg_done_function.patch - upstream * drop 840-rtc7301.patch - unused * drop 841-rtc_pt7c4338.patch - upstream * drop 921-use_preinit_as_init.patch - unused * drop spio-gpio-old and gpio-mmc - unused Signed-off-by: John Crispin --- ...03x-Request-reset-GPIO-only-for-AT8030-PH.patch | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 target/linux/generic/pending-4.4/737-net-phy-at803x-Request-reset-GPIO-only-for-AT8030-PH.patch (limited to 'target/linux/generic/pending-4.4/737-net-phy-at803x-Request-reset-GPIO-only-for-AT8030-PH.patch') diff --git a/target/linux/generic/pending-4.4/737-net-phy-at803x-Request-reset-GPIO-only-for-AT8030-PH.patch b/target/linux/generic/pending-4.4/737-net-phy-at803x-Request-reset-GPIO-only-for-AT8030-PH.patch new file mode 100644 index 0000000..b30ba7a --- /dev/null +++ b/target/linux/generic/pending-4.4/737-net-phy-at803x-Request-reset-GPIO-only-for-AT8030-PH.patch @@ -0,0 +1,42 @@ +From: Sebastian Frias +Date: Wed, 23 Mar 2016 11:49:09 +0100 +Subject: [PATCH] net: phy: at803x: Request 'reset' GPIO only for AT8030 PHY + +This removes the dependency on GPIOLIB for non faulty PHYs. + +Indeed, without this patch, if GPIOLIB is not selected +devm_gpiod_get_optional() will return -ENOSYS and the driver probe +call will fail, regardless of the actual PHY hardware. + +Out of the 3 PHYs supported by this driver (AT8030, AT8031, AT8035), +only AT8030 presents the issues that commit 13a56b449325 ("net: phy: +at803x: Add support for hardware reset") attempts to work-around by +using a 'reset' GPIO line. + +Hence, only AT8030 should depend on GPIOLIB operating properly. + +Fixes: 13a56b449325 ("net: phy: at803x: Add support for hardware reset") + +Signed-off-by: Sebastian Frias +Signed-off-by: David S. Miller +--- + +--- a/drivers/net/phy/at803x.c ++++ b/drivers/net/phy/at803x.c +@@ -250,12 +250,16 @@ static int at803x_probe(struct phy_devic + if (!priv) + return -ENOMEM; + ++ if (phydev->drv->phy_id != ATH8030_PHY_ID) ++ goto does_not_require_reset_workaround; ++ + gpiod_reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); + if (IS_ERR(gpiod_reset)) + return PTR_ERR(gpiod_reset); + + priv->gpiod_reset = gpiod_reset; + ++does_not_require_reset_workaround: + phydev->priv = priv; + + return 0; -- cgit v1.1