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mirror_ubuntu-kernels/drivers/gpu/drm/tiny
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Javier Martinez Canillas 9ad6f181ad
drm/st7735r: Fix module autoloading for Okaya RH128128T 
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: d1d511d516 ("drm: tiny: st7735r: Add support for Okaya RH128128T")
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: David Lechner <david@lechnology.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220520091602.179078-1-javierm@redhat.com
2022-05-23 13:24:04 +02:00
..
arcpgu.c drm/arc: Use drm_module_platform_driver() to register the driver 2022-01-27 19:15:47 +01:00
bochs.c drm/bochs: Replace module-init boiler-plate code with DRM helpers 2022-01-19 18:40:00 +01:00
cirrus.c Cross-subsystem Changes: 2022-02-11 14:14:07 +10:00
gm12u320.c dma-buf-map: Rename to iosys-map 2022-02-07 16:35:35 -08:00
hx8357d.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
ili9163.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
ili9225.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
ili9341.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
ili9486.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
Kconfig drm/tiny: Add MIPI DBI compatible SPI driver 2022-02-28 10:29:33 +01:00
Makefile drm/tiny: Add MIPI DBI compatible SPI driver 2022-02-28 10:29:33 +01:00
mi0283qt.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
panel-mipi-dbi.c drm for 5.18-rc1 2022-03-24 16:19:43 -07:00
repaper.c Merge drm/drm-next into drm-misc-next 2022-04-05 11:06:58 +02:00
simpledrm.c drm/simpledrm: Use fbdev defaults for shadow buffering 2022-05-03 16:04:22 +02:00
st7586.c spi: make remove callback a void function 2022-02-09 13:00:45 +00:00
st7735r.c drm/st7735r: Fix module autoloading for Okaya RH128128T 2022-05-23 13:24:04 +02:00