From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mout.kundenserver.de ([212.227.17.24]:49983 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752832AbcGSIK6 (ORCPT ); Tue, 19 Jul 2016 04:10:58 -0400 From: Arnd Bergmann To: Mauro Carvalho Chehab Cc: Arnd Bergmann , Greg Kroah-Hartman , Hans Verkuil , linux-media@vger.kernel.org, devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] [media] staging: add MEDIA_SUPPORT dependency Date: Tue, 19 Jul 2016 10:10:12 +0200 Message-Id: <20160719081040.2685845-1-arnd@arndb.de> Sender: linux-media-owner@vger.kernel.org List-ID: staging media drivers tend to have a build time dependency on the media support. In particular, the newly added pulse8 cec driver can only be a loadable module if MEDIA_SUPPORT=m, but its build dependency is on a 'bool' symbol (MEDIA_CEC), so a randconfig build can fail with pulse8_cec built-in: drivers/staging/built-in.o: In function `pulse8_disconnect': dgnc_utils.c:(.text+0x114): undefined reference to `cec_unregister_adapter' drivers/staging/built-in.o: In function `pulse8_irq_work_handler': dgnc_utils.c:(.text+0x1bc): undefined reference to `cec_transmit_done' dgnc_utils.c:(.text+0x1d8): undefined reference to `cec_received_msg' dgnc_utils.c:(.text+0x1f4): undefined reference to `cec_transmit_done' dgnc_utils.c:(.text+0x218): undefined reference to `cec_transmit_done' dgnc_utils.c:(.text+0x23c): undefined reference to `cec_transmit_done' drivers/staging/built-in.o: In function `pulse8_connect': dgnc_utils.c:(.text+0x844): undefined reference to `cec_allocate_adapter' dgnc_utils.c:(.text+0x8a4): undefined reference to `cec_delete_adapter' dgnc_utils.c:(.text+0xa10): undefined reference to `cec_register_adapter' Originally, MEDIA_CEC itself was a tristate symbol, which would have prevented this, but since 5bb2399a4fe4 ("[media] cec: fix Kconfig dependency problems"), it doesn't work like that any more. This encloses all of the staging media drivers in a CONFIG_MEDIA_SUPPORT dependency in Kconfig, which solves the problem by enforcing that none of the drivers can be built-in if the media core is a module. Signed-off-by: Arnd Bergmann --- drivers/staging/media/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig index cae42e56f270..7292f23954df 100644 --- a/drivers/staging/media/Kconfig +++ b/drivers/staging/media/Kconfig @@ -16,7 +16,7 @@ menuconfig STAGING_MEDIA If in doubt, say N here. -if STAGING_MEDIA +if STAGING_MEDIA && MEDIA_SUPPORT # Please keep them in alphabetic order source "drivers/staging/media/bcm2048/Kconfig" -- 2.9.0