linux-kernel - drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:610:33: sparse: symbol 'pxtal_data' was not declared. Should it be static?

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Date:	Sat, 26 Sep 2015 09:35:38 +0800
From:	kbuild test robot <lkp@...el.com>
To:	Enric Balletbo i Serra <eballetbo@...il.com>
Cc:	kbuild-all@...org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, dri-devel@...ts.freedesktop.org,
	devel@...verdev.osuosl.org, robh+dt@...nel.org, pawel.moll@....com,
	mark.rutland@....com, ijc+devicetree@...lion.org.uk,
	galak@...eaurora.org, airlied@...ux.ie, gregkh@...uxfoundation.org,
	sjoerd.simons@...labora.co.uk, javier@...hile0.org,
	span@...logixsemi.com, nathan.chung@...iatek.com,
	djkurtz@...omium.org, drinkcat@...omium.org,
	laurent.pinchart@...asonboard.com, dan.carpenter@...cle.com
Subject: drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:610:33: sparse:
 symbol 'pxtal_data' was not declared. Should it be static?

Hi Enric,

FYI, build test results on v4.3-rc2 (pls ignore if it's inappropriate base for your patch).

reproduce:
  # apt-get install sparse
  make ARCH=x86_64 allmodconfig
  make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

>> drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:610:33: sparse: symbol 'pxtal_data' was not declared. Should it be static?
>> drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:643:6: sparse: symbol 'sp_tx_initialization' was not declared. Should it be static?
>> drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:2188:6: sparse: symbol 'sp_initialization' was not declared. Should it be static?
>> drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:649:30: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
   drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:2129:30: sparse: cast truncates bits from constant value (ffffff7f becomes 7f)
>> drivers/gpu/drm/bridge/anx78xx/slimport_tx_drv.c:2140:38: sparse: cast truncates bits from constant value (ffffff1f becomes 1f)

Please review and possibly fold the followup patch.

---
0-DAY kernel test infrastructure                Open Source Technology Center
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