Commit c1f2b0f2 authored by Shawn Guo's avatar Shawn Guo Committed by Wei Xu
Browse files

arm64: dts: hisilicon: poplar: Correct PCIe reset GPIO polarity 



The PCIe reset GPIO on Poplar is actually active low.  The active high
worked before because kernel driver didn't respect the setting from DT.
This is changed since commit 1d26a55f ("PCI: histb: Switch to using
gpiod API"), and thus PCIe on Poplar got brken since then.

Fix the problem by correcting the polarity.

Fixes: 32fa0176 ("arm64: dts: hi3798cv200: enable PCIe support for poplar board")
Cc: stable@vger.kernel.org
Signed-off-by: default avatarShawn Guo <shawnguo@kernel.org>
Signed-off-by: default avatarWei Xu <xuwei5@hisilicon.com>
parent 6de23f81

arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts

+1 −1
Original line number Diff line number Diff line
@@ -179,7 +179,7 @@ &ohci { 
};



&pcie {

	reset-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;

	reset-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;

	vpcie-supply = <&reg_pcie>;

	status = "okay";

};