arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou.
authorChristoph Muellner <christoph.muellner@theobroma-systems.com>
Tue, 13 Nov 2018 10:25:35 +0000 (11:25 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 5 Dec 2018 18:41:23 +0000 (19:41 +0100)
commit c1d91f86a1b4c9c05854d59c6a0abd5d0f75b849 upstream.

This patch fixes the wrong polarity setting for the PCIe host driver's
pre-reset pin for rk3399-puma-haikou. Without this patch link training
will most likely fail.

Fixes: 60fd9f72ce8a ("arm64: dts: rockchip: add Haikou baseboard with RK3399-Q7 SoM")
Cc: stable@vger.kernel.org
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts

index 9a7486058455fe3c4b39b1bf68cf5434ab444d0a..eea7f8f070cf8b2f82e9f95468d7186060e360a5 100644 (file)
 };
 
 &pcie0 {
-       ep-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_LOW>;
+       ep-gpios = <&gpio4 RK_PC6 GPIO_ACTIVE_HIGH>;
        num-lanes = <4>;
        pinctrl-names = "default";
        pinctrl-0 = <&pcie_clkreqn_cpm>;