Re: [PATCH v3 4/4] usb: host: add xhci-exynos driver

[kernel test robot <lkp@intel.com>]

Hi Daehwan,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on next-20220318]
[also build test ERROR on v5.17]
[cannot apply to usb/usb-testing krzk/for-next char-misc/char-misc-testing v5.17 v5.17-rc8 v5.17-rc7]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Daehwan-Jung/usb-host-export-symbols-for-xhci-hooks-usage/20220321-180046
base:    6d72dda014a4753974eb08950089ddf71fec4f60
config: ia64-allmodconfig (https://download.01.org/0day-ci/archive/20220322/202203220027.WbsbZkyk-lkp@intel.com/config)
compiler: ia64-linux-gcc (GCC) 11.2.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/0day-ci/linux/commit/517a7258fc6a2861b66ae9893b39d8bd4d6739e7
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Daehwan-Jung/usb-host-export-symbols-for-xhci-hooks-usage/20220321-180046
        git checkout 517a7258fc6a2861b66ae9893b39d8bd4d6739e7
        # save the config file to linux build tree
        mkdir build_dir
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=ia64 SHELL=/bin/bash drivers/usb/host/

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All error/warnings (new ones prefixed by >>):

   drivers/usb/host/xhci-exynos.c: In function 'xhci_priv_exynos_setup':
>> drivers/usb/host/xhci-exynos.c:55:18: error: 'struct xhci_plat_priv' has no member named 'plat_setup'
      55 |         if (!priv->plat_setup)
         |                  ^~
   drivers/usb/host/xhci-exynos.c:58:20: error: 'struct xhci_plat_priv' has no member named 'plat_setup'
      58 |         return priv->plat_setup(hcd);
         |                    ^~
   drivers/usb/host/xhci-exynos.c: In function 'xhci_exynos_address_device':
>> drivers/usb/host/xhci-exynos.c:260:26: warning: variable 'xhci' set but not used [-Wunused-but-set-variable]
     260 |         struct xhci_hcd *xhci;
         |                          ^~~~
   drivers/usb/host/xhci-exynos.c: In function 'xhci_exynos_parse_endpoint':
>> drivers/usb/host/xhci-exynos.c:276:29: warning: variable 'ep_ctx' set but not used [-Wunused-but-set-variable]
     276 |         struct xhci_ep_ctx *ep_ctx;
         |                             ^~~~~~
   drivers/usb/host/xhci-exynos.c: In function 'xhci_exynos_set_hc_event_deq_audio':
>> drivers/usb/host/xhci-exynos.c:370:20: warning: variable 'deq' set but not used [-Wunused-but-set-variable]
     370 |         dma_addr_t deq;
         |                    ^~~
   drivers/usb/host/xhci-exynos.c: At top level:
>> drivers/usb/host/xhci-exynos.c:576:10: error: 'const struct xhci_plat_priv' has no member named 'plat_setup'
     576 |         .plat_setup = xhci_mvebu_a3700_plat_setup,
         |          ^~~~~~~~~~
>> drivers/usb/host/xhci-exynos.c:576:23: error: 'xhci_mvebu_a3700_plat_setup' undeclared here (not in a function); did you mean 'xhci_mvebu_a3700_init_quirk'?
     576 |         .plat_setup = xhci_mvebu_a3700_plat_setup,
         |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
         |                       xhci_mvebu_a3700_init_quirk
   drivers/usb/host/xhci-exynos.c: In function 'xhci_priv_exynos_setup':
   drivers/usb/host/xhci-exynos.c:59:1: error: control reaches end of non-void function [-Werror=return-type]
      59 | }
         | ^
   At top level:
   drivers/usb/host/xhci-exynos.c:588:36: warning: 'xhci_plat_brcm' defined but not used [-Wunused-const-variable=]
     588 | static const struct xhci_plat_priv xhci_plat_brcm = {
         |                                    ^~~~~~~~~~~~~~
   drivers/usb/host/xhci-exynos.c:584:36: warning: 'xhci_plat_renesas_rcar_gen3' defined but not used [-Wunused-const-variable=]
     584 | static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen3 = {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/host/xhci-exynos.c:580:36: warning: 'xhci_plat_renesas_rcar_gen2' defined but not used [-Wunused-const-variable=]
     580 | static const struct xhci_plat_priv xhci_plat_renesas_rcar_gen2 = {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/host/xhci-exynos.c:575:36: warning: 'xhci_plat_marvell_armada3700' defined but not used [-Wunused-const-variable=]
     575 | static const struct xhci_plat_priv xhci_plat_marvell_armada3700 = {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/usb/host/xhci-exynos.c:571:36: warning: 'xhci_plat_marvell_armada' defined but not used [-Wunused-const-variable=]
     571 | static const struct xhci_plat_priv xhci_plat_marvell_armada = {
         |                                    ^~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +55 drivers/usb/host/xhci-exynos.c

    50	
    51	static int xhci_priv_exynos_setup(struct usb_hcd *hcd)
    52	{
    53		struct xhci_plat_priv *priv = hcd_to_xhci_priv(hcd);
    54	
  > 55		if (!priv->plat_setup)
    56			return 0;
    57	
    58		return priv->plat_setup(hcd);
    59	}
    60	

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