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Message-ID: <202112140343.VO0Mdyih-lkp@intel.com>
Date: Tue, 14 Dec 2021 03:57:39 +0800
From: kernel test robot <lkp@...el.com>
To: Daniel Palmer <daniel@...f.com>
Cc: llvm@...ts.linux.dev, kbuild-all@...ts.01.org,
linux-kernel@...r.kernel.org
Subject: [chenxing:msc313_mainlining 47/76]
drivers/pinctrl/mstar/pinctrl-msc313.c:1339:4: warning: unannotated
fall-through between switch labels
tree: git://github.com/linux-chenxing/linux.git msc313_mainlining
head: 3b75af2a2f0d6aea3abc4cf56690ae7a6fd2dac6
commit: 0d8434e20c2d30bac37d042462ba57649e33a786 [47/76] pinctrl header names
config: arm-randconfig-r012-20211213 (https://download.01.org/0day-ci/archive/20211214/202112140343.VO0Mdyih-lkp@intel.com/config)
compiler: clang version 14.0.0 (https://github.com/llvm/llvm-project b6a2ddb6c8ac29412b1361810972e15221fa021c)
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
# install arm cross compiling tool for clang build
# apt-get install binutils-arm-linux-gnueabi
# https://github.com/linux-chenxing/linux/commit/0d8434e20c2d30bac37d042462ba57649e33a786
git remote add chenxing git://github.com/linux-chenxing/linux.git
git fetch --no-tags chenxing msc313_mainlining
git checkout 0d8434e20c2d30bac37d042462ba57649e33a786
# save the config file to linux build tree
mkdir build_dir
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=arm SHELL=/bin/bash drivers/pinctrl/mstar/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>
All warnings (new ones prefixed by >>):
>> drivers/pinctrl/mstar/pinctrl-msc313.c:1339:4: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
default:
^
drivers/pinctrl/mstar/pinctrl-msc313.c:1339:4: note: insert 'break;' to avoid fall-through
default:
^
break;
>> drivers/pinctrl/mstar/pinctrl-msc313.c:201:27: warning: unused variable 'sd_drivestrengths' [-Wunused-const-variable]
static const unsigned int sd_drivestrengths[] = {4, 8};
^
>> drivers/pinctrl/mstar/pinctrl-msc313.c:215:27: warning: unused variable 'spi0_drivestrengths' [-Wunused-const-variable]
static const unsigned int spi0_drivestrengths[] = {4, 8, 12, 16};
^
>> drivers/pinctrl/mstar/pinctrl-msc313.c:225:27: warning: unused variable 'i2c_drivestrengths' [-Wunused-const-variable]
static const unsigned int i2c_drivestrengths[] = {4, 8};
^
>> drivers/pinctrl/mstar/pinctrl-msc313.c:233:27: warning: unused variable 'sr_drivestrengths' [-Wunused-const-variable]
static const unsigned int sr_drivestrengths[] = {4, 8};
^
5 warnings generated.
vim +1339 drivers/pinctrl/mstar/pinctrl-msc313.c
4e180cab5755b5 Daniel Palmer 2020-12-07 1318
4e180cab5755b5 Daniel Palmer 2020-12-07 1319 static int mstar_set_config(struct msc313_pinctrl *pinctrl, int pin, unsigned long config)
4e180cab5755b5 Daniel Palmer 2020-12-07 1320 {
4e180cab5755b5 Daniel Palmer 2020-12-07 1321 enum pin_config_param param = pinconf_to_config_param(config);
4e180cab5755b5 Daniel Palmer 2020-12-07 1322 u32 arg = pinconf_to_config_argument(config);
4e180cab5755b5 Daniel Palmer 2020-12-07 1323 int i;
4e180cab5755b5 Daniel Palmer 2020-12-07 1324 unsigned int mask;
4e180cab5755b5 Daniel Palmer 2020-12-07 1325 const struct msc313_pinctrl_pinconf *confpin;
4e180cab5755b5 Daniel Palmer 2020-12-07 1326
4e180cab5755b5 Daniel Palmer 2020-12-07 1327 dev_dbg(pinctrl->dev, "setting %d:%u on pin %d\n", (int)config, (unsigned int)arg, pin);
4e180cab5755b5 Daniel Palmer 2020-12-07 1328 for (i = 0; i < pinctrl->info->npinconfs; i++) {
4e180cab5755b5 Daniel Palmer 2020-12-07 1329 if (pinctrl->info->pinconfs[i].pin == pin) {
4e180cab5755b5 Daniel Palmer 2020-12-07 1330 confpin = &pinctrl->info->pinconfs[i];
4e180cab5755b5 Daniel Palmer 2020-12-07 1331 switch (param) {
4e180cab5755b5 Daniel Palmer 2020-12-07 1332 case PIN_CONFIG_BIAS_PULL_UP:
4e180cab5755b5 Daniel Palmer 2020-12-07 1333 if (confpin->pull_en_reg != -1) {
4e180cab5755b5 Daniel Palmer 2020-12-07 1334 dev_dbg(pinctrl->dev, "setting pull up %d on pin %d\n", (int) arg, pin);
4e180cab5755b5 Daniel Palmer 2020-12-07 1335 mask = 1 << confpin->pull_en_bit;
4e180cab5755b5 Daniel Palmer 2020-12-07 1336 regmap_update_bits(pinctrl->regmap, confpin->pull_en_reg, mask, arg ? mask : 0);
4e180cab5755b5 Daniel Palmer 2020-12-07 1337 } else
4e180cab5755b5 Daniel Palmer 2020-12-07 1338 dev_info(pinctrl->dev, "pullup reg/bit isn't known for pin %d\n", pin);
4e180cab5755b5 Daniel Palmer 2020-12-07 @1339 default:
4e180cab5755b5 Daniel Palmer 2020-12-07 1340 break;
4e180cab5755b5 Daniel Palmer 2020-12-07 1341 }
4e180cab5755b5 Daniel Palmer 2020-12-07 1342 return 0;
4e180cab5755b5 Daniel Palmer 2020-12-07 1343 }
4e180cab5755b5 Daniel Palmer 2020-12-07 1344 }
4e180cab5755b5 Daniel Palmer 2020-12-07 1345 return 0;
4e180cab5755b5 Daniel Palmer 2020-12-07 1346 }
4e180cab5755b5 Daniel Palmer 2020-12-07 1347
:::::: The code at line 1339 was first introduced by commit
:::::: 4e180cab5755b5116ca4fb151ce6068ff5442e70 pinctrl: mstar: msc313 pinctrl driver
:::::: TO: Daniel Palmer <daniel@...f.com>
:::::: CC: Daniel Palmer <daniel@...f.com>
---
0-DAY CI Kernel Test Service, Intel Corporation
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