Hi Arnd, On 2021-07-21 17:24:59 +0200, Arnd Bergmann wrote: > From: Arnd Bergmann <arnd@xxxxxxxx> > > Without this, I see a randconfig link failure: > > aarch64-linux-ld: drivers/media/platform/rcar_drif.o: in function `rcar_drif_remove': > rcar_drif.c:(.text+0x2a8): undefined reference to `v4l2_async_notifier_unregister' > aarch64-linux-ld: rcar_drif.c:(.text+0x2b0): undefined reference to `v4l2_async_notifier_cleanup' > aarch64-linux-ld: drivers/media/platform/rcar_drif.o: in function `rcar_drif_sdr_probe': > rcar_drif.c:(.text+0x1444): undefined reference to `v4l2_async_notifier_init' > aarch64-linux-ld: rcar_drif.c:(.text+0x14a0): undefined reference to `v4l2_async_notifier_register' > aarch64-linux-ld: rcar_drif.c:(.text+0x14d8): undefined reference to `v4l2_async_notifier_cleanup' > aarch64-linux-ld: rcar_drif.c:(.text+0x15a8): undefined reference to `__v4l2_async_notifier_add_fwnode_subdev' > > I could not easily figure out when this was introduced, as this code > has not changed in a while but I only saw the problem recently. > > Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx> > --- > drivers/media/platform/Kconfig | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig > index 157c924686e4..c5d1c83bd582 100644 > --- a/drivers/media/platform/Kconfig > +++ b/drivers/media/platform/Kconfig > @@ -635,6 +635,7 @@ config VIDEO_RCAR_DRIF > depends on VIDEO_V4L2 > depends on ARCH_RENESAS || COMPILE_TEST > select VIDEOBUF2_VMALLOC > + select V4L2_ASYNC > help > Say Y if you want to enable R-Car Gen3 DRIF support. DRIF is Digital > Radio Interface that interfaces with an RF front end chip. It is a > -- > 2.29.2 > -- Regards, Niklas Söderlund
