linux-kernel - Re: [PATCH] PCI: mediatek: Add system pm support for MT2712

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Date:   Fri, 1 Jun 2018 08:42:27 +0800
From:   kbuild test robot <lkp@...el.com>
To:     honghui.zhang@...iatek.com
Cc:     kbuild-all@...org, lorenzo.pieralisi@....com, marc.zyngier@....com,
        bhelgaas@...gle.com, matthias.bgg@...il.com,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        yingjoe.chen@...iatek.com, eddie.huang@...iatek.com,
        ryder.lee@...iatek.com, honghui.zhang@...iatek.com,
        hongkun.cao@...iatek.com, youlin.pei@...iatek.com,
        yong.wu@...iatek.com, yt.shen@...iatek.com, sean.wang@...iatek.com,
        xinping.qian@...iatek.com
Subject: Re: [PATCH] PCI: mediatek: Add system pm support for MT2712

Hi Honghui,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on pci/next]
[also build test WARNING on next-20180531]
[cannot apply to v4.17-rc7]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url:    https://github.com/0day-ci/linux/commits/honghui-zhang-mediatek-com/PCI-mediatek-Add-system-pm-support-for-MT2712/20180601-053217
base:   https://git.kernel.org/pub/scm/linux/kernel/git/helgaas/pci.git next
reproduce:
        # apt-get install sparse
        make ARCH=x86_64 allmodconfig
        make C=1 CF=-D__CHECK_ENDIAN__


sparse warnings: (new ones prefixed by >>)

   drivers/pci/host/pcie-mediatek.c:463:40: sparse: incorrect type in argument 1 (different address spaces) @@    expected void volatile *address @@    got void [novoid volatile *address @@
   drivers/pci/host/pcie-mediatek.c:463:40:    expected void volatile *address
   drivers/pci/host/pcie-mediatek.c:463:40:    got void [noderef] <asn:2>*
   drivers/pci/host/pcie-mediatek.c:586:44: sparse: incorrect type in argument 1 (different address spaces) @@    expected void volatile *address @@    got void [novoid volatile *address @@
   drivers/pci/host/pcie-mediatek.c:586:44:    expected void volatile *address
   drivers/pci/host/pcie-mediatek.c:586:44:    got void [noderef] <asn:2>*
>> drivers/pci/host/pcie-mediatek.c:1259:25: sparse: symbol 'mtk_pcie_pm_ops' was not declared. Should it be static?

Please review and possibly fold the followup patch.

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0-DAY kernel test infrastructure                Open Source Technology Center
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