Re: [PATCH] net: hisilicon: add OF dependency

[kbuild test robot]

Hi Arnd,

[auto build test WARNING on net-next/master -- if it's inappropriate base, please suggest rules for selecting the more suitable base]

url:    https://github.com/0day-ci/linux/commits/Arnd-Bergmann/net-hisilicon-add-OF-dependency/20151016-173818
config: ia64-allmodconfig (attached as .config)
reproduce:
        wget https://git.kernel.org/cgit/linux/kernel/git/wfg/lkp-tests.git/plain/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        make.cross ARCH=ia64 

All warnings (new ones prefixed by >>):

   In file included from arch/ia64/include/asm/smp.h:20:0,
                    from include/linux/smp.h:59,
                    from include/linux/topology.h:33,
                    from include/linux/gfp.h:8,
                    from include/linux/kmod.h:22,
                    from include/linux/module.h:13,
                    from drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:10:
   drivers/net/ethernet/hisilicon/hix5hd2_gmac.c: In function 'hix5hd2_port_disable':
   arch/ia64/include/asm/io.h:398:38: warning: large integer implicitly truncated to unsigned type [-Woverflow]
    #define writel_relaxed(v,a) __writel((v), (a))
                                         ^
>> drivers/net/ethernet/hisilicon/hix5hd2_gmac.c:374:2: note: in expansion of macro 'writel_relaxed'
     writel_relaxed(~(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
     ^

vim +/writel_relaxed +374 drivers/net/ethernet/hisilicon/hix5hd2_gmac.c

57c5bc9a Zhangfei Gao 2014-06-03  358  	writel_relaxed(DEF_INT_MASK, priv->base + ENA_PMU_INT);
57c5bc9a Zhangfei Gao 2014-06-03  359  }
57c5bc9a Zhangfei Gao 2014-06-03  360  
57c5bc9a Zhangfei Gao 2014-06-03  361  static void hix5hd2_irq_disable(struct hix5hd2_priv *priv)
57c5bc9a Zhangfei Gao 2014-06-03  362  {
57c5bc9a Zhangfei Gao 2014-06-03  363  	writel_relaxed(0, priv->base + ENA_PMU_INT);
57c5bc9a Zhangfei Gao 2014-06-03  364  }
57c5bc9a Zhangfei Gao 2014-06-03  365  
57c5bc9a Zhangfei Gao 2014-06-03  366  static void hix5hd2_port_enable(struct hix5hd2_priv *priv)
57c5bc9a Zhangfei Gao 2014-06-03  367  {
57c5bc9a Zhangfei Gao 2014-06-03  368  	writel_relaxed(0xf, priv->base + DESC_WR_RD_ENA);
57c5bc9a Zhangfei Gao 2014-06-03  369  	writel_relaxed(BITS_RX_EN | BITS_TX_EN, priv->base + PORT_EN);
57c5bc9a Zhangfei Gao 2014-06-03  370  }
57c5bc9a Zhangfei Gao 2014-06-03  371  
57c5bc9a Zhangfei Gao 2014-06-03  372  static void hix5hd2_port_disable(struct hix5hd2_priv *priv)
57c5bc9a Zhangfei Gao 2014-06-03  373  {
57c5bc9a Zhangfei Gao 2014-06-03 @374  	writel_relaxed(~(BITS_RX_EN | BITS_TX_EN), priv->base + PORT_EN);
57c5bc9a Zhangfei Gao 2014-06-03  375  	writel_relaxed(0, priv->base + DESC_WR_RD_ENA);
57c5bc9a Zhangfei Gao 2014-06-03  376  }
57c5bc9a Zhangfei Gao 2014-06-03  377  
57c5bc9a Zhangfei Gao 2014-06-03  378  static void hix5hd2_hw_set_mac_addr(struct net_device *dev)
57c5bc9a Zhangfei Gao 2014-06-03  379  {
57c5bc9a Zhangfei Gao 2014-06-03  380  	struct hix5hd2_priv *priv = netdev_priv(dev);
57c5bc9a Zhangfei Gao 2014-06-03  381  	unsigned char *mac = dev->dev_addr;
57c5bc9a Zhangfei Gao 2014-06-03  382  	u32 val;

:::::: The code at line 374 was first introduced by commit
:::::: 57c5bc9ad7d799e9507ba6e993398d2c55f03fab net: hisilicon: add hix5hd2 mac driver

:::::: TO: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx>
:::::: CC: David S. Miller <davem@xxxxxxxxxxxxx>

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0-DAY kernel test infrastructure                Open Source Technology Center
https://lists.01.org/pipermail/kbuild-all                   Intel Corporation

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