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SubjectRe: [PATCH 3/3] usb: Add Kconfig and Makefile changes to build brcmstb-usb-pinmap
Hi Al,

I love your patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on linux/master linus/master v5.8 next-20200812]
[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/Al-Cooper/usb-Add-driver-for-USB-signal-re-mapper/20200813-042328
base: https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
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
# save the attached .config to linux build tree
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh

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

All warnings (new ones prefixed by >>):

>> drivers/usb/host/brcmstb-usb-pinmap.c:219:6: warning: no previous prototype for 'sync_all_pins' [-Wmissing-prototypes]
219 | void sync_all_pins(struct brcmstb_usb_pinmap_data *pdata)
| ^~~~~~~~~~~~~

vim +/sync_all_pins +219 drivers/usb/host/brcmstb-usb-pinmap.c

06f59ffd15dd0d5 Al Cooper 2020-08-12 218
06f59ffd15dd0d5 Al Cooper 2020-08-12 @219 void sync_all_pins(struct brcmstb_usb_pinmap_data *pdata)
06f59ffd15dd0d5 Al Cooper 2020-08-12 220 {
06f59ffd15dd0d5 Al Cooper 2020-08-12 221 struct out_pin *pout;
06f59ffd15dd0d5 Al Cooper 2020-08-12 222 struct in_pin *pin;
06f59ffd15dd0d5 Al Cooper 2020-08-12 223 int val;
06f59ffd15dd0d5 Al Cooper 2020-08-12 224 int x;
06f59ffd15dd0d5 Al Cooper 2020-08-12 225
06f59ffd15dd0d5 Al Cooper 2020-08-12 226 /*
06f59ffd15dd0d5 Al Cooper 2020-08-12 227 * Enable the override, clear any changed condition and
06f59ffd15dd0d5 Al Cooper 2020-08-12 228 * propagate the state to the GPIO for all out pins.
06f59ffd15dd0d5 Al Cooper 2020-08-12 229 */
06f59ffd15dd0d5 Al Cooper 2020-08-12 230 pout = pdata->out_pins;
06f59ffd15dd0d5 Al Cooper 2020-08-12 231 for (x = 0; x < pdata->out_count; x++) {
06f59ffd15dd0d5 Al Cooper 2020-08-12 232 pinmap_set(pdata->regs, pout->enable_mask);
06f59ffd15dd0d5 Al Cooper 2020-08-12 233 pinmap_set(pdata->regs, pout->clr_changed_mask);
06f59ffd15dd0d5 Al Cooper 2020-08-12 234 pinmap_unset(pdata->regs, pout->clr_changed_mask);
06f59ffd15dd0d5 Al Cooper 2020-08-12 235 val = readl(pdata->regs) & pout->value_mask;
06f59ffd15dd0d5 Al Cooper 2020-08-12 236 gpiod_set_value(pout->gpiod, val ? 1 : 0);
06f59ffd15dd0d5 Al Cooper 2020-08-12 237 pout++;
06f59ffd15dd0d5 Al Cooper 2020-08-12 238 }
06f59ffd15dd0d5 Al Cooper 2020-08-12 239
06f59ffd15dd0d5 Al Cooper 2020-08-12 240 /* sync and enable all in pins. */
06f59ffd15dd0d5 Al Cooper 2020-08-12 241 pin = pdata->in_pins;
06f59ffd15dd0d5 Al Cooper 2020-08-12 242 for (x = 0; x < pdata->in_count; x++) {
06f59ffd15dd0d5 Al Cooper 2020-08-12 243 sync_in_pin(pin);
06f59ffd15dd0d5 Al Cooper 2020-08-12 244 pinmap_set(pdata->regs, pin->enable_mask);
06f59ffd15dd0d5 Al Cooper 2020-08-12 245 pin++;
06f59ffd15dd0d5 Al Cooper 2020-08-12 246 }
06f59ffd15dd0d5 Al Cooper 2020-08-12 247 }
06f59ffd15dd0d5 Al Cooper 2020-08-12 248

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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