linux-kernel - randconfig build error with next-20141121, in drivers/gpu/drm/amd/amdkfd/kfd

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Date:	Fri, 21 Nov 2014 10:04:20 -0700
From:	Jim Davis <jim.epost@...il.com>
To:	Stephen Rothwell <sfr@...b.auug.org.au>,
	linux-next <linux-next@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>, oded.gabbay@....com,
	David Airlie <airlied@...ux.ie>,
	dri-devel <dri-devel@...ts.freedesktop.org>
Subject: randconfig build error with next-20141121, in drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c

Building with the attached random configuration file,

drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c: In function ‘kfd_doorbell_init’:
drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c:97:2: error: implicit
declaration of function ‘ioremap’
[-Werror=implicit-function-declaration]
  kfd->doorbell_kernel_ptr = ioremap(kfd->doorbell_base,
  ^
drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c:97:27: warning: assignment
makes pointer from integer without a cast [enabled by default]
  kfd->doorbell_kernel_ptr = ioremap(kfd->doorbell_base,
                           ^
drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c: In function ‘write_kernel_doorbell’:
drivers/gpu/drm/amd/amdkfd/kfd_doorbell.c:217:3: error: implicit declaration of
function ‘writel’ [-Werror=implicit-function-declaration]
   writel(value, db);
   ^
cc1: some warnings being treated as errors
make[4]: *** [drivers/gpu/drm/amd/amdkfd/kfd_doorbell.o] Error 1

View attachment "randconfig-1416586522.txt" of type "text/plain" (87369 bytes)