4.19-stable review patch. If anyone has any objections, please let me know.
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From: Christoph Muellner christoph.muellner@theobroma-systems.com
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 | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts @@ -153,7 +153,7 @@ };
&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>;