Re: [RESEND PATCH v7 3/4] usb: dwc2: assert phy reset when waking up in rk3288 platform

[kbuild test robot]

Hi Randy,

[auto build test ERROR on rockchip/for-next]
[also build test ERROR on v4.8-rc5 next-20160909]
[cannot apply to phy/next]
[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/Randy-Li/the-fix-for-the-USB-HOST1-at-rk3288-platform/20160910-030348
base:   https://git.kernel.org/pub/scm/linux/kernel/git/mmind/linux-rockchip.git for-next
config: arm-socfpga_defconfig (attached as .config)
compiler: arm-linux-gnueabi-gcc (Debian 5.4.0-6) 5.4.0 20160609
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=arm 

All errors (new ones prefixed by >>):

   drivers/usb/dwc2/core_intr.c: In function 'dwc2_handle_wakeup_detected_intr':
>> drivers/usb/dwc2/core_intr.c:391:5: error: implicit declaration of function 'phy_reset' [-Werror=implicit-function-declaration]
        phy_reset(hsotg->phy);
        ^
   cc1: some warnings being treated as errors

vim +/phy_reset +391 drivers/usb/dwc2/core_intr.c

   385				 * It is a quirk in Rockchip RK3288, causing by
   386				 * a hardware bug. This will propagate out and
   387				 * eventually we'll re-enumerate the device.
   388				 * Not great but the best we can do.
   389				 */
   390				if (of_device_is_compatible(np, "rockchip,rk3288-usb"))
 > 391					phy_reset(hsotg->phy);
   392	
   393				mod_timer(&hsotg->wkp_timer,
   394					  jiffies + msecs_to_jiffies(71));

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