linux-kernel - [PATCH AUTOSEL 4.9 1/7] ARM: dts: spear3xx: Fix gmac node

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Date:   Wed, 20 Oct 2021 20:23:57 -0400
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     Herve Codina <herve.codina@...tlin.com>,
        "David S . Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>, vireshk@...nel.org,
        shiraz.linux.kernel@...il.com, robh+dt@...nel.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org
Subject: [PATCH AUTOSEL 4.9 1/7] ARM: dts: spear3xx: Fix gmac node

From: Herve Codina <herve.codina@...tlin.com>

[ Upstream commit 6636fec29cdf6665bd219564609e8651f6ddc142 ]

On SPEAr3xx, ethernet driver is not compatible with the SPEAr600
one.
Indeed, SPEAr3xx uses an earlier version of this IP (v3.40) and
needs some driver tuning compare to SPEAr600.

The v3.40 IP support was added to stmmac driver and this patch
fixes this issue and use the correct compatible string for
SPEAr3xx

Signed-off-by: Herve Codina <herve.codina@...tlin.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/spear3xx.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/spear3xx.dtsi b/arch/arm/boot/dts/spear3xx.dtsi
index 118135d75899..4e4166d96b26 100644
--- a/arch/arm/boot/dts/spear3xx.dtsi
+++ b/arch/arm/boot/dts/spear3xx.dtsi
@@ -53,7 +53,7 @@ dma@...00000 {
 		};
 
 		gmac: eth@...00000 {
-			compatible = "st,spear600-gmac";
+			compatible = "snps,dwmac-3.40a";
 			reg = <0xe0800000 0x8000>;
 			interrupts = <23 22>;
 			interrupt-names = "macirq", "eth_wake_irq";
-- 
2.33.0