Re: [PATCH v2 6/9] platform/chrome: cros_typec_switch: Add event check

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

Hi Prashant,

I love your patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[cannot apply to chrome-platform/for-next linus/master balbi-usb/testing/next peter-chen-usb/for-usb-next v5.19-rc5]
[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#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Prashant-Malani/platform-chrome-Type-C-switch-driver-and-Type-C-framework-updates/20220707-012614
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220707/202207071256.63ElDHIG-lkp@intel.com/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/60e03c1b36c0e3533e481b44152faab38448be5b
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Prashant-Malani/platform-chrome-Type-C-switch-driver-and-Type-C-framework-updates/20220707-012614
        git checkout 60e03c1b36c0e3533e481b44152faab38448be5b
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/platform/chrome/ kernel/bpf/

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

All warnings (new ones prefixed by >>):

>> drivers/platform/chrome/cros_typec_switch.c:81:6: warning: no previous prototype for 'cros_typec_check_event' [-Wmissing-prototypes]
      81 | bool cros_typec_check_event(struct cros_typec_switch_data *sdata, int port_num, u32 mask)
         |      ^~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/chrome/cros_typec_switch.c:159:6: warning: no previous prototype for 'cros_typec_unregister_switches' [-Wmissing-prototypes]
     159 | void cros_typec_unregister_switches(struct cros_typec_switch_data *sdata)
         |      ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   drivers/platform/chrome/cros_typec_switch.c:170:5: warning: no previous prototype for 'cros_typec_register_retimer' [-Wmissing-prototypes]
     170 | int cros_typec_register_retimer(struct cros_typec_port *port, struct fwnode_handle *fwnode)
         |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~


vim +/cros_typec_check_event +81 drivers/platform/chrome/cros_typec_switch.c

    80	
  > 81	bool cros_typec_check_event(struct cros_typec_switch_data *sdata, int port_num, u32 mask)
    82	{
    83		struct ec_response_typec_status resp;
    84		struct ec_params_typec_status req = {
    85			.port = port_num,
    86		};
    87		int ret;
    88	
    89		ret = cros_ec_command(sdata->ec, 0, EC_CMD_TYPEC_STATUS, &req, sizeof(req),
    90				      &resp, sizeof(resp));
    91		if (ret < 0) {
    92			dev_warn(sdata->dev, "EC_CMD_TYPEC_STATUS failed for port: %d\n", port_num);
    93			return false;
    94		}
    95	
    96		if (resp.events & mask)
    97			return true;
    98	
    99		return false;
   100	}
   101	

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