Patch "ARM: dts: arm: realview: Fix development chip ROM compatible value" has been added to the 5.4-stable tree

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This is a note to let you know that I've just added the patch titled

    ARM: dts: arm: realview: Fix development chip ROM compatible value

to the 5.4-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     arm-dts-arm-realview-fix-development-chip-rom-compat.patch
and it can be found in the queue-5.4 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 5d42c847d6d54abd4e8ce80310b57b3a77df3c4a
Author: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Date:   Wed Aug 30 17:03:04 2023 +0200

    ARM: dts: arm: realview: Fix development chip ROM compatible value
    
    [ 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@xxxxxxxxx>
    Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/arch/arm/boot/dts/arm-realview-pb1176.dts b/arch/arm/boot/dts/arm-realview-pb1176.dts
index 2625ce66f8e7e..673c6e5b2f565 100644
--- a/arch/arm/boot/dts/arm-realview-pb1176.dts
+++ b/arch/arm/boot/dts/arm-realview-pb1176.dts
@@ -435,7 +435,7 @@ pb1176_serial3: serial@1010f000 {
 
 		/* Direct-mapped development chip ROM */
 		pb1176_rom@10200000 {
-			compatible = "direct-mapped";
+			compatible = "mtd-rom";
 			reg = <0x10200000 0x4000>;
 			bank-width = <1>;
 		};




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