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Message-ID: <20210208073037.0b9fe4b9@coco.lan> Date: Mon, 8 Feb 2021 07:30:37 +0100 From: Mauro Carvalho Chehab <mchehab@...nel.org> To: Stephen Rothwell <sfr@...b.auug.org.au> Cc: Jacopo Mondi <jacopo+renesas@...ndi.org>, Sakari Ailus <sakari.ailus@...ux.intel.com>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>, Linux Next Mailing List <linux-next@...r.kernel.org> Subject: Re: linux-next: build warning after merge of the v4l-dvb tree Em Mon, 8 Feb 2021 11:32:08 +1100 Stephen Rothwell <sfr@...b.auug.org.au> escreveu: > Hi all, > > After merging the v4l-dvb tree, today's linux-next build (x86_64 > allmodconfig) produced this warning: > > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_serial_link' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_configure_i2c' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_high_threshold' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_configure_gmsl_link' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_gpios' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_clear_gpios' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_enable_gpios' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_disable_gpios' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_verify_id' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_address' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_deserializer_address' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > WARNING: modpost: drivers/media/i2c/rdacm21-camera_module: 'max9271_set_translation' exported twice. Previous export was in drivers/media/i2c/rdacm20-camera_module.ko > > Introduced by commit > > a59f853b3b4b ("media: i2c: Add driver for RDACM21 camera module") > It sounds to be due to a Makefile mess: drivers/media/i2c/Makefile:rdacm20-camera_module-objs := rdacm20.o max9271.o drivers/media/i2c/Makefile:rdacm21-camera_module-objs := rdacm21.o max9271.o Neither drivers should be including max9271.o as their objects, but, instead, be addressing max9271 dependency via Kconfig. Thanks, Mauro
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