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Re: [PATCH] wifi: wilc1000: Rework bus locking

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Hi Marek,

kernel test robot noticed the following build errors:

[auto build test ERROR on wireless-next/main]
[also build test ERROR on next-20241022]
[cannot apply to wireless/main linus/master v6.12-rc4]
[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/Marek-Vasut/wifi-wilc1000-Rework-bus-locking/20241022-093954
base:   https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
patch link:    https://lore.kernel.org/r/20241022013855.284783-1-marex%40denx.de
patch subject: [PATCH] wifi: wilc1000: Rework bus locking
config: loongarch-allmodconfig (https://download.01.org/0day-ci/archive/20241023/202410230937.zWSJkSuE-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 14.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20241023/202410230937.zWSJkSuE-lkp@xxxxxxxxx/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202410230937.zWSJkSuE-lkp@xxxxxxxxx/

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

   In file included from include/linux/notifier.h:14,
                    from include/linux/clk.h:14,
                    from drivers/net/wireless/microchip/wilc1000/spi.c:7:
   drivers/net/wireless/microchip/wilc1000/spi.c: In function 'wilc_spi_claim':
>> drivers/net/wireless/microchip/wilc1000/spi.c:1113:25: error: 'struct wilc' has no member named 'hif_cs'
    1113 |         mutex_lock(&wilc->hif_cs);
         |                         ^~
   include/linux/mutex.h:166:44: note: in definition of macro 'mutex_lock'
     166 | #define mutex_lock(lock) mutex_lock_nested(lock, 0)
         |                                            ^~~~
   drivers/net/wireless/microchip/wilc1000/spi.c: In function 'wilc_spi_release':
   drivers/net/wireless/microchip/wilc1000/spi.c:1118:27: error: 'struct wilc' has no member named 'hif_cs'
    1118 |         mutex_unlock(&wilc->hif_cs);
         |                           ^~
   drivers/net/wireless/microchip/wilc1000/spi.c: In function 'wilc_spi_deinit':
   drivers/net/wireless/microchip/wilc1000/spi.c:1147:28: error: 'struct wilc' has no member named 'hif_cs'
    1147 |         mutex_destroy(&wilc->hif_cs);
         |                            ^~
   drivers/net/wireless/microchip/wilc1000/spi.c: In function 'wilc_spi_init':
>> drivers/net/wireless/microchip/wilc1000/spi.c:1156:21: error: 'spi' undeclared (first use in this function)
    1156 |         mutex_init(&spi->hif_cs);
         |                     ^~~
   include/linux/mutex.h:64:23: note: in definition of macro 'mutex_init'
      64 |         __mutex_init((mutex), #mutex, &__key);                          \
         |                       ^~~~~
   drivers/net/wireless/microchip/wilc1000/spi.c:1156:21: note: each undeclared identifier is reported only once for each function it appears in
    1156 |         mutex_init(&spi->hif_cs);
         |                     ^~~
   include/linux/mutex.h:64:23: note: in definition of macro 'mutex_init'
      64 |         __mutex_init((mutex), #mutex, &__key);                          \
         |                       ^~~~~
   drivers/net/wireless/microchip/wilc1000/spi.c: At top level:
>> drivers/net/wireless/microchip/wilc1000/spi.c:1116:13: warning: 'wilc_spi_release' defined but not used [-Wunused-function]
    1116 | static void wilc_spi_release(struct wilc *wilc)
         |             ^~~~~~~~~~~~~~~~
>> drivers/net/wireless/microchip/wilc1000/spi.c:1111:13: warning: 'wilc_spi_claim' defined but not used [-Wunused-function]
    1111 | static void wilc_spi_claim(struct wilc *wilc)
         |             ^~~~~~~~~~~~~~


vim +1113 drivers/net/wireless/microchip/wilc1000/spi.c

  1105	
  1106	/********************************************
  1107	 *
  1108	 *      Bus interfaces
  1109	 *
  1110	 ********************************************/
> 1111	static void wilc_spi_claim(struct wilc *wilc)
  1112	{
> 1113		mutex_lock(&wilc->hif_cs);
  1114	}
  1115	
> 1116	static void wilc_spi_release(struct wilc *wilc)
  1117	{
  1118		mutex_unlock(&wilc->hif_cs);
  1119	}
  1120	
  1121	static int wilc_spi_reset(struct wilc *wilc)
  1122	{
  1123		struct spi_device *spi = to_spi_device(wilc->dev);
  1124		struct wilc_spi *spi_priv = wilc->bus_data;
  1125		int result;
  1126	
  1127		result = wilc_spi_special_cmd(wilc, CMD_RESET);
  1128		if (result && !spi_priv->probing_crc)
  1129			dev_err(&spi->dev, "Failed cmd reset\n");
  1130	
  1131		return result;
  1132	}
  1133	
  1134	static bool wilc_spi_is_init(struct wilc *wilc)
  1135	{
  1136		struct wilc_spi *spi_priv = wilc->bus_data;
  1137	
  1138		return spi_priv->isinit;
  1139	}
  1140	
  1141	static int wilc_spi_deinit(struct wilc *wilc)
  1142	{
  1143		struct wilc_spi *spi_priv = wilc->bus_data;
  1144	
  1145		spi_priv->isinit = false;
  1146		wilc_wlan_power(wilc, false);
  1147		mutex_destroy(&wilc->hif_cs);
  1148		return 0;
  1149	}
  1150	
  1151	static int wilc_spi_init(struct wilc *wilc, bool resume)
  1152	{
  1153		struct wilc_spi *spi_priv = wilc->bus_data;
  1154		int ret;
  1155	
> 1156		mutex_init(&spi->hif_cs);
  1157	
  1158		if (spi_priv->isinit) {
  1159			/* Confirm we can read chipid register without error: */
  1160			if (wilc_validate_chipid(wilc) == 0)
  1161				return 0;
  1162		}
  1163	
  1164		wilc_wlan_power(wilc, true);
  1165	
  1166		ret = wilc_spi_configure_bus_protocol(wilc);
  1167		if (ret) {
  1168			wilc_wlan_power(wilc, false);
  1169			return ret;
  1170		}
  1171	
  1172		spi_priv->isinit = true;
  1173	
  1174		return 0;
  1175	}
  1176	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki




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