On Thu, Aug 16, 2018 at 05:20:04PM +0200, Daniel Vetter wrote: > On Thu, Aug 16, 2018 at 1:01 PM, Guenter Roeck <groeck@xxxxxxxxxx> wrote: > > On Thu, Aug 16, 2018 at 12:31 AM Daniel Vetter <daniel@xxxxxxxx> wrote: > >> > >> On Wed, Aug 15, 2018 at 03:49:14PM -0400, Sean Paul wrote: > >> > From: Guenter Roeck <groeck@xxxxxxxxxxxx> > >> > > >> > 0day reports: > >> > > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.o: In function > >> > `ti_sn_bridge_remove': > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:629: undefined reference to > >> > `mipi_dsi_detach' > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:630: undefined reference to > >> > `mipi_dsi_device_unregister' > >> > drivers/gpu/drm/bridge/ti-sn65dsi86.o: In function > >> > `ti_sn_bridge_attach': > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:249: undefined reference to > >> > `of_find_mipi_dsi_host_by_node' > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:256: undefined reference to > >> > `mipi_dsi_device_register_full' > >> > >> drivers/gpu/drm/bridge/ti-sn65dsi86.c:276: undefined reference to > >> > `mipi_dsi_attach' > >> > drivers/gpu/drm/bridge/ti-sn65dsi86.c:289: undefined reference to > >> > `mipi_dsi_device_unregister' > >> > > >> > Quite obviously the driver depends on DRM_MIPI_DSI. > >> > We can not use "depends" since the driver configuration uses "select", > >> > so we'll have to select the missing dependency instead. > >> > > >> > Cc: Sean Paul <seanpaul@xxxxxxxxxxxx> > >> > Cc: Dylan Reid <dgreid@xxxxxxxxxxxx> > >> > Signed-off-by: Guenter Roeck <groeck@xxxxxxxxxxxx> > >> > >> You can't mix depends and select for the same symbol, or all hell breaks > >> loose. So needs a depends on DRM_MIPI_DSI instead. With that changed: > >> > > > > Yes, that is why I used select, not depends, as explained. "depends" > > causes a circular dependency. > > I missgrepped, it's already chaos, so select should be perfectly fine. > Well as fine as Kconfig can be. Thanks for circling back, I've pushed the patch to -misc-next with your R-b. Sean > -Daniel > > > > > Guenter > > > >> Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx> > >> > >> > --- > >> > > >> > Originally uploaded here: > >> > https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/1176224 > >> > > >> > > >> > drivers/gpu/drm/bridge/Kconfig | 1 + > >> > 1 file changed, 1 insertion(+) > >> > > >> > diff --git a/drivers/gpu/drm/bridge/Kconfig b/drivers/gpu/drm/bridge/Kconfig > >> > index 9a455c5f24f0..9eeb8ef0b174 100644 > >> > --- a/drivers/gpu/drm/bridge/Kconfig > >> > +++ b/drivers/gpu/drm/bridge/Kconfig > >> > @@ -142,6 +142,7 @@ config DRM_TI_SN65DSI86 > >> > select DRM_KMS_HELPER > >> > select REGMAP_I2C > >> > select DRM_PANEL > >> > + select DRM_MIPI_DSI > >> > help > >> > Texas Instruments SN65DSI86 DSI to eDP Bridge driver > >> > > >> > -- > >> > Sean Paul, Software Engineer, Google / Chromium OS > >> > > >> > _______________________________________________ > >> > dri-devel mailing list > >> > dri-devel@xxxxxxxxxxxxxxxxxxxxx > >> > https://lists.freedesktop.org/mailman/listinfo/dri-devel > >> > >> -- > >> Daniel Vetter > >> Software Engineer, Intel Corporation > >> http://blog.ffwll.ch > > > > -- > Daniel Vetter > Software Engineer, Intel Corporation > +41 (0) 79 365 57 48 - http://blog.ffwll.ch -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/dri-devel