This is a note to let you know that I've just added the patch titled
drm/st7735r: Fix module autoloading for Okaya RH128128T
to the 5.10-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:
drm-st7735r-fix-module-autoloading-for-okaya-rh12812.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2fda24183d0a3cd496ecd142df39d6a5bca9a179
Author: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Date: Fri May 20 11:16:02 2022 +0200
drm/st7735r: Fix module autoloading for Okaya RH128128T
[ Upstream commit 9ad6f181ad9a19a26bda73a7b199df44ccfcdaba ]
The SPI core always reports a "MODALIAS=spi:<foo>", even if the device was
registered via OF. This means that the st7735r.ko module won't autoload if
a DT has a node with a compatible "okaya,rh128128t" string.
In that case, kmod expects a "MODALIAS=of:N*T*Cokaya,rh128128t" uevent but
instead will get a "MODALIAS=spi:rh128128t", which is not present in the
list of aliases:
$ modinfo drivers/gpu/drm/tiny/st7735r.ko | grep alias
alias: of:N*T*Cokaya,rh128128tC*
alias: of:N*T*Cokaya,rh128128t
alias: of:N*T*Cjianda,jd-t18003-t01C*
alias: of:N*T*Cjianda,jd-t18003-t01
alias: spi:jd-t18003-t01
To workaround this issue, add in the SPI table an entry for that device.
Fixes: d1d511d516f7 ("drm: tiny: st7735r: Add support for Okaya RH128128T")
Signed-off-by: Javier Martinez Canillas <javierm@xxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Acked-by: David Lechner <david@xxxxxxxxxxxxxx>
Link: https://patchwork.freedesktop.org/patch/msgid/20220520091602.179078-1-javierm@xxxxxxxxxx
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/gpu/drm/tiny/st7735r.c b/drivers/gpu/drm/tiny/st7735r.c
index c0bc2a18edde..9d0c127bdb0c 100644
--- a/drivers/gpu/drm/tiny/st7735r.c
+++ b/drivers/gpu/drm/tiny/st7735r.c
@@ -175,6 +175,7 @@ MODULE_DEVICE_TABLE(of, st7735r_of_match);
static const struct spi_device_id st7735r_id[] = {
{ "jd-t18003-t01", (uintptr_t)&jd_t18003_t01_cfg },
+ { "rh128128t", (uintptr_t)&rh128128t_cfg },
{ },
};
MODULE_DEVICE_TABLE(spi, st7735r_id);
