This is a note to let you know that I've just added the patch titled of: Preserve "of-display" device name for compatibility to the 6.4-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: of-preserve-of-display-device-name-for-compatibility.patch and it can be found in the queue-6.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 0bb8f49cd2cc8cb32ac51189ff9fcbe7ec3d9d65 Mon Sep 17 00:00:00 2001 From: Rob Herring <robh@xxxxxxxxxx> Date: Mon, 10 Jul 2023 11:40:07 -0600 Subject: of: Preserve "of-display" device name for compatibility MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Rob Herring <robh@xxxxxxxxxx> commit 0bb8f49cd2cc8cb32ac51189ff9fcbe7ec3d9d65 upstream. Since commit 241d2fb56a18 ("of: Make OF framebuffer device names unique"), as spotted by Frédéric Bonnard, the historical "of-display" device is gone: the updated logic creates "of-display.0" instead, then as many "of-display.N" as required. This means that offb no longer finds the expected device, which prevents the Debian Installer from setting up its interface, at least on ppc64el. Fix this by keeping "of-display" for the first device and "of-display.N" for subsequent devices. Link: https://bugzilla.kernel.org/show_bug.cgi?id=217328 Link: https://bugs.debian.org/1033058 Fixes: 241d2fb56a18 ("of: Make OF framebuffer device names unique") Cc: stable@xxxxxxxxxxxxxxx Cc: Cyril Brulebois <cyril@xxxxxxxxxxx> Cc: Thomas Zimmermann <tzimmermann@xxxxxxx> Cc: Helge Deller <deller@xxxxxx> Acked-by: Helge Deller <deller@xxxxxx> Acked-by: Thomas Zimmermann <tzimmermann@xxxxxxx> Reviewed-by: Michal Suchánek <msuchanek@xxxxxxx> Link: https://lore.kernel.org/r/20230710174007.2291013-1-robh@xxxxxxxxxx Signed-off-by: Rob Herring <robh@xxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- drivers/of/platform.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -553,7 +553,7 @@ static int __init of_platform_default_po if (!of_get_property(node, "linux,opened", NULL) || !of_get_property(node, "linux,boot-display", NULL)) continue; - dev = of_platform_device_create(node, "of-display.0", NULL); + dev = of_platform_device_create(node, "of-display", NULL); of_node_put(node); if (WARN_ON(!dev)) return -ENOMEM; Patches currently in stable-queue which might be from robh@xxxxxxxxxx are queue-6.4/of-preserve-of-display-device-name-for-compatibility.patch