* [PATCH] arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou.
@ 2018-11-13 10:25 Christoph Muellner
2018-11-13 14:03 ` Heiko Stuebner
0 siblings, 1 reply; 2+ messages in thread
From: Christoph Muellner @ 2018-11-13 10:25 UTC (permalink / raw)
To: linux-arm-kernel
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.
Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
---
arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts b/arch/arm64/boot/dts/rockchip/rk3399-puma-haikou.dts
index 2dceeea29b83..1e6a71066c16 100644
--- 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>;
--
2.11.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou.
2018-11-13 10:25 [PATCH] arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou Christoph Muellner
@ 2018-11-13 14:03 ` Heiko Stuebner
0 siblings, 0 replies; 2+ messages in thread
From: Heiko Stuebner @ 2018-11-13 14:03 UTC (permalink / raw)
To: linux-arm-kernel
Hi Christoph,
Am Dienstag, 13. November 2018, 11:25:35 CET schrieb Christoph Muellner:
> 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.
>
> Signed-off-by: Christoph Muellner <christoph.muellner@theobroma-systems.com>
I've added a Fixes-tag pointing to the original commit and applied
it as fix for 4.20
Thanks
Heiko
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2018-11-13 10:25 [PATCH] arm64: dts: rockchip: Fix PCIe reset polarity for rk3399-puma-haikou Christoph Muellner
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