Re: [PATCH] i2c: sis96x: Refactor for readability and style improvements

From: kernel test robot
Date: Tue Jul 29 2025 - 05:40:04 EST


Hi Darshan,

kernel test robot noticed the following build warnings:

[auto build test WARNING on andi-shyti/i2c/i2c-host]
[also build test WARNING on linus/master v6.16 next-20250729]
[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/Darshan-R/i2c-sis96x-Refactor-for-readability-and-style-improvements/20250728-213139
base: https://git.kernel.org/pub/scm/linux/kernel/git/andi.shyti/linux.git i2c/i2c-host
patch link: https://lore.kernel.org/r/20250728131418.9424-1-rathod.darshan.0896%40gmail.com
patch subject: [PATCH] i2c: sis96x: Refactor for readability and style improvements
config: i386-randconfig-r071-20250729 (https://download.01.org/0day-ci/archive/20250729/202507291702.7DUZcvW4-lkp@xxxxxxxxx/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)

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/202507291702.7DUZcvW4-lkp@xxxxxxxxx/

smatch warnings:
drivers/i2c/busses/i2c-sis96x.c:94 sis96x_transaction() warn: inconsistent indenting

vim +94 drivers/i2c/busses/i2c-sis96x.c

^1da177e4c3f41 Linus Torvalds 2005-04-16 75
^1da177e4c3f41 Linus Torvalds 2005-04-16 76 /* Execute a SMBus transaction.
^1da177e4c3f41 Linus Torvalds 2005-04-16 77 int size is from SIS96x_QUICK to SIS96x_BLOCK_DATA
^1da177e4c3f41 Linus Torvalds 2005-04-16 78 */
^1da177e4c3f41 Linus Torvalds 2005-04-16 79 static int sis96x_transaction(int size)
^1da177e4c3f41 Linus Torvalds 2005-04-16 80 {
^1da177e4c3f41 Linus Torvalds 2005-04-16 81 int temp;
^1da177e4c3f41 Linus Torvalds 2005-04-16 82 int result = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 83 int timeout = 0;
^1da177e4c3f41 Linus Torvalds 2005-04-16 84
^1da177e4c3f41 Linus Torvalds 2005-04-16 85 dev_dbg(&sis96x_adapter.dev, "SMBus transaction %d\n", size);
^1da177e4c3f41 Linus Torvalds 2005-04-16 86
^1da177e4c3f41 Linus Torvalds 2005-04-16 87 /* Make sure the SMBus host is ready to start transmitting */
1f3ce966edb415 Darshan R 2025-07-28 88 temp = sis96x_read(SMB_CNT);
^1da177e4c3f41 Linus Torvalds 2005-04-16 89
1f3ce966edb415 Darshan R 2025-07-28 90 if ((temp & 0x03) != 0x00) {
1f3ce966edb415 Darshan R 2025-07-28 91 dev_dbg(&sis96x_adapter.dev, "SMBus busy (0x%02x). Resetting...\n", temp);
^1da177e4c3f41 Linus Torvalds 2005-04-16 92
^1da177e4c3f41 Linus Torvalds 2005-04-16 93 /* kill the transaction */
^1da177e4c3f41 Linus Torvalds 2005-04-16 @94 sis96x_write(SMB_HOST_CNT, 0x20);
^1da177e4c3f41 Linus Torvalds 2005-04-16 95
^1da177e4c3f41 Linus Torvalds 2005-04-16 96 /* check it again */
1f3ce966edb415 Darshan R 2025-07-28 97 temp = sis96x_read(SMB_CNT);
1f3ce966edb415 Darshan R 2025-07-28 98
1f3ce966edb415 Darshan R 2025-07-28 99 if ((temp & 0x03) != 0x00) {
^1da177e4c3f41 Linus Torvalds 2005-04-16 100 dev_dbg(&sis96x_adapter.dev, "Failed (0x%02x)\n", temp);
97140342e69d47 David Brownell 2008-07-14 101 return -EBUSY;
^1da177e4c3f41 Linus Torvalds 2005-04-16 102 } else {
^1da177e4c3f41 Linus Torvalds 2005-04-16 103 dev_dbg(&sis96x_adapter.dev, "Successful\n");
^1da177e4c3f41 Linus Torvalds 2005-04-16 104 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 105 }
^1da177e4c3f41 Linus Torvalds 2005-04-16 106

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