From mboxrd@z Thu Jan 1 00:00:00 1970 From: mchehab@osg.samsung.com (Mauro Carvalho Chehab) Date: Thu, 10 Dec 2015 12:40:54 -0200 Subject: [PATCH] [media] staging/davinci_vfpe: allow modular build In-Reply-To: <2029571.PWO4DcqdUl@wuerfel> References: <2029571.PWO4DcqdUl@wuerfel> Message-ID: <20151210124054.3c527f11@recife.lan> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Em Thu, 10 Dec 2015 15:29:38 +0100 Arnd Bergmann escreveu: > It has never been possible to actually build this driver as > a loadable module, only built-in because the Makefile attempts > to build each file into its own module and fails: > > ERROR: "mbus_to_pix" [drivers/staging/media/davinci_vpfe/vpfe_video.ko] undefined! > ERROR: "vpfe_resizer_register_entities" [drivers/staging/media/davinci_vpfe/vpfe_mc_capture.ko] undefined! > ERROR: "rsz_enable" [drivers/staging/media/davinci_vpfe/dm365_resizer.ko] undefined! > ERROR: "config_ipipe_hw" [drivers/staging/media/davinci_vpfe/dm365_ipipe.ko] undefined! > ERROR: "ipipe_set_lutdpc_regs" [drivers/staging/media/davinci_vpfe/dm365_ipipe.ko] undefined! > > It took a long time to catch this bug with randconfig builds > because at least 14 other Kconfig symbols have to be enabled in > order to configure this one. > > The solution is really easy: this patch changes the Makefile to > link all files into one module. > > Signed-off-by: Arnd Bergmann > --- > > diff --git a/drivers/staging/media/davinci_vpfe/Makefile b/drivers/staging/media/davinci_vpfe/Makefile > index c64515c644cd..3019c9ecd548 100644 > --- a/drivers/staging/media/davinci_vpfe/Makefile > +++ b/drivers/staging/media/davinci_vpfe/Makefile > @@ -1,3 +1,5 @@ > -obj-$(CONFIG_VIDEO_DM365_VPFE) += \ > +obj-$(CONFIG_VIDEO_DM365_VPFE) += davinci-vfpe.o > + > +davinci-vfpe-objs := \ > dm365_isif.o dm365_ipipe_hw.o dm365_ipipe.o \ > dm365_resizer.o dm365_ipipeif.o vpfe_mc_capture.o vpfe_video.o > That seems a bad signal to me... I guess either this driver was never actually tested or it was tested only if compiled as built-in... Regards, Mauro