Hi David,

[auto build test ERROR on rockchip/for-next]
[also build test ERROR on v4.8-rc4 next-20160825]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]
[Suggest to use git(>=2.9.0) format-patch --base=<commit> (or --base=auto for convenience) to record what (public, well-known) commit your patch series was built on]
[Check https://git-scm.com/docs/git-format-patch for more information]

url:    https://github.com/0day-ci/linux/commits/Caesar-Wang/Support-the-rk3399-gmac-pd-function/20160831-043741
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: xtensa-allmodconfig (attached as .config)
compiler: xtensa-linux-gcc (GCC) 4.9.0
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=xtensa 

All errors (new ones prefixed by >>):

   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c: In function 'rk_gmac_powerdown':

quoted

drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:672:23: error: 'pdev' undeclared (first use in this function)

     pm_runtime_put_sync(&pdev->dev);
                          ^
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:672:23: note: each undeclared identifier is reported only once for each function it appears in
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c: At top level:
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:679:12: error: redefinition of 'rk_gmac_init'
    static int rk_gmac_init(struct platform_device *pdev, void *priv)
               ^
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:638:12: note: previous definition of 'rk_gmac_init' was here
    static int rk_gmac_init(struct platform_device *pdev, void *priv)
               ^
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c: In function 'rk_gmac_init':
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:683:2: error: implicit declaration of function 'rk_gmac_powerup' [-Werror=implicit-function-declaration]
     return rk_gmac_powerup(bsp_priv);
     ^
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c: At top level:
   drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c:638:12: warning: 'rk_gmac_init' defined but not used [-Wunused-function]
    static int rk_gmac_init(struct platform_device *pdev, void *priv)
               ^
   cc1: some warnings being treated as errors

vim +/pdev +672 drivers/net/ethernet/stmicro/stmmac/dwmac-rk.c

   666	
   667		return 0;
   668	}
   669	
   670	static void rk_gmac_powerdown(struct rk_priv_data *gmac)
   671	{
 > 672		pm_runtime_put_sync(&pdev->dev);
   673		pm_runtime_disable(&pdev->dev);
   674	
   675		phy_power_on(gmac, false);

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