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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 1d26a55fbe ("PCI: histb: Switch to using
gpiod API"), and thus PCIe on Poplar got brken since then.

Fix the problem by correcting the polarity.

Fixes: 32fa01761b ("arm64: dts: hi3798cv200: enable PCIe support for poplar board")
Cc: stable@vger.kernel.org
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>
master
Shawn Guo 2026-02-27 15:19:58 +08:00 committed by Wei Xu
parent 6de23f81a5
commit c1f2b0f2b5
1 changed files with 1 additions and 1 deletions
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2
arch/arm64/boot/dts/hisilicon/hi3798cv200-poplar.dts
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@ -179,7 +179,7 @@
};
&pcie {
reset-gpios = <&gpio4 4 GPIO_ACTIVE_HIGH>;
reset-gpios = <&gpio4 4 GPIO_ACTIVE_LOW>;
vpcie-supply = <&reg_pcie>;
status = "okay";
};