linux-kernel - [PATCH 6.8 231/715] ARM: dts: arm: realview: Fix development chip ROM compatible value

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Message-ID: <20240324223455.1342824-232-sashal@kernel.org>
Date: Sun, 24 Mar 2024 18:26:50 -0400
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Geert Uytterhoeven <geert+renesas@...der.be>,
	Linus Walleij <linus.walleij@...aro.org>,
	Sasha Levin <sashal@...nel.org>
Subject: [PATCH 6.8 231/715] ARM: dts: arm: realview: Fix development chip ROM compatible value

From: Geert Uytterhoeven <geert+renesas@...der.be>

[ Upstream commit 3baa4c5143d65ebab2de0d99a395e5f4f1f46608 ]

When the development chip ROM was added, the "direct-mapped" compatible
value was already obsolete.  In addition, the device node lacked the
accompanying "probe-type" property, causing the old physmap_of_core
driver to fall back to trying all available probe types.
Unfortunately this fallback was lost when the DT and pdata cases were
merged.

Fix this by using the modern "mtd-rom" compatible value instead.

Fixes: 5c3f5edbe0a1dff3 ("ARM: realview: add flash devices to the PB1176 DTS")
Fixes: 642b1e8dbed7bbbf ("mtd: maps: Merge physmap_of.c into physmap-core.c")
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 arch/arm/boot/dts/arm/arm-realview-pb1176.dts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/arm/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
index efed325af88d2..d99bac02232b3 100644
--- a/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm/arm-realview-pb1176.dts
@@ -451,7 +451,7 @@ pb1176_serial3: serial@...0f000 {
 
 		/* Direct-mapped development chip ROM */
 		pb1176_rom@...00000 {
-			compatible = "direct-mapped";
+			compatible = "mtd-rom";
 			reg = <0x10200000 0x4000>;
 			bank-width = <1>;
 		};
-- 
2.43.0