[PATCH v2] mt76: mt7915: dump SER stats through debugfs
kernel test robot
lkp at intel.com
Mon Apr 25 05:50:42 PDT 2022
Hi Bo,
I love your patch! Perhaps something to improve:
[auto build test WARNING on wireless-next/main]
[also build test WARNING on wireless/main v5.18-rc4 next-20220422]
[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/intel-lab-lkp/linux/commits/Bo-Jiao/mt76-mt7915-dump-SER-stats-through-debugfs/20220425-113739
base: https://git.kernel.org/pub/scm/linux/kernel/git/wireless/wireless-next.git main
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20220425/202204252050.kt1MHzwD-lkp@intel.com/config)
compiler: clang version 15.0.0 (https://github.com/llvm/llvm-project 1cddcfdc3c683b393df1a5c9063252eb60e52818)
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/intel-lab-lkp/linux/commit/3d98cf66e18c4da1c5ee68eb987c34598e959da4
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Bo-Jiao/mt76-mt7915-dump-SER-stats-through-debugfs/20220425-113739
git checkout 3d98cf66e18c4da1c5ee68eb987c34598e959da4
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross W=1 O=build_dir ARCH=x86_64 SHELL=/bin/bash drivers/net/wireless/mediatek/mt76/mt7915/ lib/
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp at intel.com>
All warnings (new ones prefixed by >>):
>> drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:87:2: warning: unannotated fall-through between switch labels [-Wimplicit-fallthrough]
default:
^
drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c:87:2: note: insert 'break;' to avoid fall-through
default:
^
break;
1 warning generated.
vim +87 drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
6d6dc980e07d1f8 Ryder Lee 2021-01-14 43
6d6dc980e07d1f8 Ryder Lee 2021-01-14 44 DEFINE_DEBUGFS_ATTRIBUTE(fops_implicit_txbf, mt7915_implicit_txbf_get,
6d6dc980e07d1f8 Ryder Lee 2021-01-14 45 mt7915_implicit_txbf_set, "%lld\n");
6d6dc980e07d1f8 Ryder Lee 2021-01-14 46
e57b7901469fc0b Ryder Lee 2020-04-25 47 /* test knob of system layer 1/2 error recovery */
3d98cf66e18c4da Ryder Lee 2022-04-25 48 static ssize_t mt7915_fw_ser_set(struct file *file,
3d98cf66e18c4da Ryder Lee 2022-04-25 49 const char __user *user_buf,
3d98cf66e18c4da Ryder Lee 2022-04-25 50 size_t count, loff_t *ppos)
e57b7901469fc0b Ryder Lee 2020-04-25 51 {
e57b7901469fc0b Ryder Lee 2020-04-25 52 enum {
3d98cf66e18c4da Ryder Lee 2022-04-25 53 SER_QUERY = 0,
e57b7901469fc0b Ryder Lee 2020-04-25 54 SER_SET_RECOVER_L1 = 1,
e57b7901469fc0b Ryder Lee 2020-04-25 55 SER_SET_RECOVER_L2,
e57b7901469fc0b Ryder Lee 2020-04-25 56 SER_ENABLE = 2,
e57b7901469fc0b Ryder Lee 2020-04-25 57 SER_RECOVER
e57b7901469fc0b Ryder Lee 2020-04-25 58 };
3d98cf66e18c4da Ryder Lee 2022-04-25 59 struct mt7915_dev *dev = file->private_data;
3d98cf66e18c4da Ryder Lee 2022-04-25 60 char buf[16];
3d98cf66e18c4da Ryder Lee 2022-04-25 61 u16 val;
3d98cf66e18c4da Ryder Lee 2022-04-25 62
3d98cf66e18c4da Ryder Lee 2022-04-25 63 if (count >= sizeof(buf))
3d98cf66e18c4da Ryder Lee 2022-04-25 64 return -EINVAL;
3d98cf66e18c4da Ryder Lee 2022-04-25 65
3d98cf66e18c4da Ryder Lee 2022-04-25 66 if (copy_from_user(buf, user_buf, count))
3d98cf66e18c4da Ryder Lee 2022-04-25 67 return -EFAULT;
3d98cf66e18c4da Ryder Lee 2022-04-25 68
3d98cf66e18c4da Ryder Lee 2022-04-25 69 if (count && buf[count - 1] == '\n')
3d98cf66e18c4da Ryder Lee 2022-04-25 70 buf[count - 1] = '\0';
3d98cf66e18c4da Ryder Lee 2022-04-25 71 else
3d98cf66e18c4da Ryder Lee 2022-04-25 72 buf[count] = '\0';
3d98cf66e18c4da Ryder Lee 2022-04-25 73
3d98cf66e18c4da Ryder Lee 2022-04-25 74 if (kstrtou16(buf, 0, &val))
3d98cf66e18c4da Ryder Lee 2022-04-25 75 return -EINVAL;
e57b7901469fc0b Ryder Lee 2020-04-25 76
e57b7901469fc0b Ryder Lee 2020-04-25 77 switch (val) {
3d98cf66e18c4da Ryder Lee 2022-04-25 78 case SER_QUERY:
3d98cf66e18c4da Ryder Lee 2022-04-25 79 /* grab firmware SER stats */
3d98cf66e18c4da Ryder Lee 2022-04-25 80 mt7915_mcu_set_ser(dev, 0, 0, 0);
3d98cf66e18c4da Ryder Lee 2022-04-25 81 break;
e57b7901469fc0b Ryder Lee 2020-04-25 82 case SER_SET_RECOVER_L1:
e57b7901469fc0b Ryder Lee 2020-04-25 83 case SER_SET_RECOVER_L2:
3d98cf66e18c4da Ryder Lee 2022-04-25 84 mt7915_mcu_set_ser(dev, SER_ENABLE, BIT(val), 0);
e57b7901469fc0b Ryder Lee 2020-04-25 85
3d98cf66e18c4da Ryder Lee 2022-04-25 86 mt7915_mcu_set_ser(dev, SER_RECOVER, val, 0);
e57b7901469fc0b Ryder Lee 2020-04-25 @87 default:
e57b7901469fc0b Ryder Lee 2020-04-25 88 break;
e57b7901469fc0b Ryder Lee 2020-04-25 89 }
e57b7901469fc0b Ryder Lee 2020-04-25 90
3d98cf66e18c4da Ryder Lee 2022-04-25 91 return count;
3d98cf66e18c4da Ryder Lee 2022-04-25 92 }
3d98cf66e18c4da Ryder Lee 2022-04-25 93
--
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