linux-kernel - [PATCH] Revert "dts: phy: add GPIO number and active state used for phy reset"

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Date:   Thu,  4 Feb 2021 19:41:12 -0800
From:   Palmer Dabbelt <palmer@...belt.com>
To:     schwab@...ux-m68k.org
Cc:     robh+dt@...nel.org, Palmer Dabbelt <palmer@...belt.com>,
        Paul Walmsley <paul.walmsley@...ive.com>,
        aou@...s.berkeley.edu, sagar.kadam@...ive.com, anup@...infault.org,
        yash.shah@...ive.com, devicetree@...r.kernel.org,
        linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org,
        kernel-team@...roid.com, Palmer Dabbelt <palmerdabbelt@...gle.com>,
        stable@...r.kernel.org
Subject: [PATCH] Revert "dts: phy: add GPIO number and active state used for phy reset"

From: Palmer Dabbelt <palmerdabbelt@...gle.com>

VSC8541 phys need a special reset sequence, which the driver doesn't
currentlny support.  As a result enabling the reset via GPIO essentially
guarnteees that the device won't work correctly.

This reverts commit a0fa9d727043da2238432471e85de0bdb8a8df65.

Fixes: a0fa9d727043 ("dts: phy: add GPIO number and active state used for phy reset")
Cc: stable@...r.kernel.org
Signed-off-by: Palmer Dabbelt <palmerdabbelt@...gle.com>
---
 arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
index 24d75a146e02..60846e88ae4b 100644
--- a/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
+++ b/arch/riscv/boot/dts/sifive/hifive-unleashed-a00.dts
@@ -90,7 +90,6 @@ &eth0 {
 	phy0: ethernet-phy@0 {
 		compatible = "ethernet-phy-id0007.0771";
 		reg = <0>;
-		reset-gpios = <&gpio 12 GPIO_ACTIVE_LOW>;
 	};
 };
 
-- 
2.30.0.478.g8a0d178c01-goog