linux-kernel - Re: [PATCH 5/6 v2] bus: fsl-mc: supoprt dma configure for devices on fsl-mc bus

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Date:   Thu, 26 Apr 2018 08:00:21 +0800
From:   kbuild test robot <lkp@...el.com>
To:     Nipun Gupta <nipun.gupta@....com>
Cc:     kbuild-all@...org, robin.murphy@....com, will.deacon@....com,
        mark.rutland@....com, catalin.marinas@....com, hch@....de,
        gregkh@...uxfoundation.org, joro@...tes.org, robh+dt@...nel.org,
        m.szyprowski@...sung.com, shawnguo@...nel.org,
        frowand.list@...il.com, bhelgaas@...gle.com,
        iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linuxppc-dev@...ts.ozlabs.org, linux-pci@...r.kernel.org,
        bharat.bhushan@....com, stuyoder@...il.com,
        laurentiu.tudor@....com, leoyang.li@....com,
        Nipun Gupta <nipun.gupta@....com>
Subject: Re: [PATCH 5/6 v2] bus: fsl-mc: supoprt dma configure for devices on
 fsl-mc bus

Hi Nipun,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linus/master]
[also build test ERROR on v4.17-rc2 next-20180424]
[cannot apply to iommu/next glikely/devicetree/next]
[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/Nipun-Gupta/Support-for-fsl-mc-bus-and-its-devices-in-SMMU/20180418-034931
config: powerpc64-allmodconfig (attached as .config)
compiler: powerpc64-linux-gnu-gcc (Debian 7.2.0-11) 7.2.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=powerpc64 

All errors (new ones prefixed by >>):

   drivers/bus/fsl-mc/fsl-mc-bus.c: In function 'fsl_mc_dma_configure':
>> drivers/bus/fsl-mc/fsl-mc-bus.c:137:9: error: too many arguments to function 'of_dma_configure'
     return of_dma_configure(dev, dma_dev->of_node, 0);
            ^~~~~~~~~~~~~~~~
   In file included from drivers/bus/fsl-mc/fsl-mc-bus.c:13:0:
   include/linux/of_device.h:58:5: note: declared here
    int of_dma_configure(struct device *dev, struct device_node *np);
        ^~~~~~~~~~~~~~~~
   drivers/bus/fsl-mc/fsl-mc-bus.c: At top level:
>> drivers/bus/fsl-mc/fsl-mc-bus.c:161:3: error: 'struct bus_type' has no member named 'dma_configure'
     .dma_configure  = fsl_mc_dma_configure,
      ^~~~~~~~~~~~~

vim +/of_dma_configure +137 drivers/bus/fsl-mc/fsl-mc-bus.c

   129	
   130	static int fsl_mc_dma_configure(struct device *dev)
   131	{
   132		struct device *dma_dev = dev;
   133	
   134		while (dev_is_fsl_mc(dma_dev))
   135			dma_dev = dma_dev->parent;
   136	
 > 137		return of_dma_configure(dev, dma_dev->of_node, 0);
   138	}
   139	
   140	static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
   141				     char *buf)
   142	{
   143		struct fsl_mc_device *mc_dev = to_fsl_mc_device(dev);
   144	
   145		return sprintf(buf, "fsl-mc:v%08Xd%s\n", mc_dev->obj_desc.vendor,
   146			       mc_dev->obj_desc.type);
   147	}
   148	static DEVICE_ATTR_RO(modalias);
   149	
   150	static struct attribute *fsl_mc_dev_attrs[] = {
   151		&dev_attr_modalias.attr,
   152		NULL,
   153	};
   154	
   155	ATTRIBUTE_GROUPS(fsl_mc_dev);
   156	
   157	struct bus_type fsl_mc_bus_type = {
   158		.name = "fsl-mc",
   159		.match = fsl_mc_bus_match,
   160		.uevent = fsl_mc_bus_uevent,
 > 161		.dma_configure  = fsl_mc_dma_configure,
   162		.dev_groups = fsl_mc_dev_groups,
   163	};
   164	EXPORT_SYMBOL_GPL(fsl_mc_bus_type);
   165	

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https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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