From mboxrd@z Thu Jan 1 00:00:00 1970 From: corbet@lwn.net (Jonathan Corbet) Date: Wed, 28 Jan 2015 14:58:43 -0700 Subject: [PATCH 7/7] [media] marvell-ccic needs VIDEOBUF2_DMA_SG In-Reply-To: <1422479867-3370921-8-git-send-email-arnd@arndb.de> References: <1422479867-3370921-1-git-send-email-arnd@arndb.de> <1422479867-3370921-8-git-send-email-arnd@arndb.de> Message-ID: <20150128145843.16683733@lwn.net> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, 28 Jan 2015 22:17:47 +0100 Arnd Bergmann wrote: > The vb2_dma_sg_memops pointer is only valid if VIDEOBUF2_DMA_SG is > set, so we should select that to avoid this build error: > > drivers/built-in.o: In function `mcam_v4l_open': > :(.text+0x388d00): undefined reference to `vb2_dma_sg_memops' I acked this one the last time it came around (I forget from who). I still don't know how to create a .config that exposes the problem, but others have clearly succeeded in doing it. Acked-by: Jonathan Corbet jon