linux-kernel - [drm-intel:drm-intel-nightly 357/550] drivers/gpu/drm/radeon/cik_sdma.c:293:6: sparse: symbol 'cik_sdma_ctx_switch_enable' was not declared. Should it be static?

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Message-ID: <201501212004.wXNTOWyN%fengguang.wu@intel.com>
Date:	Wed, 21 Jan 2015 20:32:11 +0800
From:	kbuild test robot <fengguang.wu@...el.com>
To:	Ben Goz <ben.goz@....com>
Cc:	kbuild-all@...org, Oded Gabbay <oded.gabbay@....com>,
	Alex Deucher <alexander.deucher@....com>,
	Christian König <christian.koenig@....com>,
	David Airlie <airlied@...ux.ie>,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org
Subject: [drm-intel:drm-intel-nightly 357/550]
 drivers/gpu/drm/radeon/cik_sdma.c:293:6: sparse: symbol
 'cik_sdma_ctx_switch_enable' was not declared. Should it be static?

tree:   git://anongit.freedesktop.org/drm-intel drm-intel-nightly
head:   0e3c37cedf582819b6dbdd0bf0b14a15d3c2e47d
commit: d7a60d8ea5cd4560e0496d2683643d2e4930e609 [357/550] drm/radeon: Enable sdma preemption
reproduce:
  # apt-get install sparse
  git checkout d7a60d8ea5cd4560e0496d2683643d2e4930e609
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__

sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/radeon/cik_sdma.c:293:6: sparse: symbol 'cik_sdma_ctx_switch_enable' was not declared. Should it be static?
   drivers/gpu/drm/radeon/cik_sdma.c:471:48: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/cik_sdma.c:472:27: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/cik_sdma.c:480:48: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/cik_sdma.c:481:27: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/cik_sdma.c:651:30: sparse: incorrect type in assignment (different base types)
   drivers/gpu/drm/radeon/cik_sdma.c:651:30:    expected unsigned int volatile [unsigned] [usertype] <noident>
   drivers/gpu/drm/radeon/cik_sdma.c:651:30:    got restricted __le32 [usertype] <noident>
   drivers/gpu/drm/radeon/cik_sdma.c:666:23: sparse: cast to restricted __le32
   drivers/gpu/drm/radeon/cik_sdma.c:708:30: sparse: incorrect type in assignment (different base types)
   drivers/gpu/drm/radeon/cik_sdma.c:708:30:    expected unsigned int volatile [unsigned] [usertype] <noident>
   drivers/gpu/drm/radeon/cik_sdma.c:708:30:    got restricted __le32 [usertype] <noident>
   drivers/gpu/drm/radeon/cik_sdma.c:735:23: sparse: cast to restricted __le32

Please review and possibly fold the followup patch.

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