linux-kernel - Re: [PATCH 3/3] thermal: broadcom: Add Stingray thermal driver

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Message-ID: <201805292313.y0wwGpTj%fengguang.wu@intel.com>
Date:   Wed, 30 May 2018 02:35:03 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Srinath Mannam <srinath.mannam@...adcom.com>
Cc:     kbuild-all@...org, Zhang Rui <rui.zhang@...el.com>,
        Eduardo Valentin <edubezval@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        bcm-kernel-feedback-list@...adcom.com,
        Pramod Kumar <pramod.kumar@...adcom.com>,
        Srinath Mannam <srinath.mannam@...adcom.com>
Subject: Re: [PATCH 3/3] thermal: broadcom: Add Stingray thermal driver

Hi Pramod,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on soc-thermal/next]
[also build test WARNING on v4.17-rc7 next-20180529]
[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/Srinath-Mannam/Stingray-thermal-driver-support/20180529-145243
base:   https://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal.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/thermal/broadcom/sr-thermal.c:101:26: sparse: incorrect type in assignment (different address spaces) @@    expected void [noderef] <asn:2>*regs @@    got sn:2>*regs @@
   drivers/thermal/broadcom/sr-thermal.c:101:26:    expected void [noderef] <asn:2>*regs
   drivers/thermal/broadcom/sr-thermal.c:101:26:    got void *

vim +101 drivers/thermal/broadcom/sr-thermal.c

    88	
    89	static int sr_thermal_probe(struct platform_device *pdev)
    90	{
    91		struct device *dev = &pdev->dev;
    92		struct sr_thermal *sr_thermal;
    93		struct resource *res;
    94	
    95		sr_thermal = devm_kzalloc(dev, sizeof(*sr_thermal), GFP_KERNEL);
    96		if (!sr_thermal)
    97			return -ENOMEM;
    98		sr_thermal->dev = dev;
    99	
   100		res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
 > 101		sr_thermal->regs = devm_memremap(&pdev->dev, res->start,
   102						 resource_size(res), MEMREMAP_WB);
   103		if (IS_ERR(sr_thermal->regs)) {
   104			dev_err(dev, "failed to get io address\n");
   105			return PTR_ERR(sr_thermal->regs);
   106		}
   107	
   108		/* initialize tmon value to 0 */
   109		writel(0, sr_thermal->regs);
   110		sr_thermal->crit_temp = TMON_CRIT_TEMP;
   111	
   112		sr_thermal->tz = thermal_zone_device_register(dev_name(dev), 1, 1,
   113								 sr_thermal,
   114								 &sr_thermal_ops,
   115								 NULL, 1000, 1000);
   116		if (IS_ERR(sr_thermal->tz))
   117			return PTR_ERR(sr_thermal->tz);
   118	
   119		platform_set_drvdata(pdev, sr_thermal);
   120	
   121		return 0;
   122	}
   123	

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