drivers/reset/reset-k230.c:221:24-29: WARNING: conversion to bool not needed here
From: kernel test robot
Date: Sat Jul 11 2026 - 23:46:03 EST
Hi Junhui,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master
head: dd3210c47e8d3ac6b4e9141fc68acc03b38c0ba3
commit: c7a5e01e229d21e0560d78bd645b4f7398667ce4 reset: canaan: k230: drop OF dependency and enable by default
date: 6 months ago
config: hexagon-randconfig-r051-20260709 (https://download.01.org/0day-ci/archive/20260712/202607121116.XW2ODxe6-lkp@xxxxxxxxx/config)
compiler: clang version 23.0.0git (https://github.com/llvm/llvm-project c279890c85da307abe34f10333442bbf72a60644)
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
| Fixes: c7a5e01e229d ("reset: canaan: k230: drop OF dependency and enable by default")
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202607121116.XW2ODxe6-lkp@xxxxxxxxx/
cocci warnings: (new ones prefixed by >>)
>> drivers/reset/reset-k230.c:221:24-29: WARNING: conversion to bool not needed here
drivers/reset/reset-k230.c:252:24-29: WARNING: conversion to bool not needed here
vim +221 drivers/reset/reset-k230.c
360a7a64775944 Junhui Liu 2025-06-13 210
360a7a64775944 Junhui Liu 2025-06-13 211 static int k230_rst_assert(struct reset_controller_dev *rcdev, unsigned long id)
360a7a64775944 Junhui Liu 2025-06-13 212 {
360a7a64775944 Junhui Liu 2025-06-13 213 struct k230_rst *rstc = to_k230_rst(rcdev);
360a7a64775944 Junhui Liu 2025-06-13 214
360a7a64775944 Junhui Liu 2025-06-13 215 switch (k230_resets[id].type) {
360a7a64775944 Junhui Liu 2025-06-13 216 case RST_TYPE_CPU1:
360a7a64775944 Junhui Liu 2025-06-13 217 k230_rst_update(rstc, id, true, true, false);
360a7a64775944 Junhui Liu 2025-06-13 218 break;
360a7a64775944 Junhui Liu 2025-06-13 219 case RST_TYPE_SW_DONE:
360a7a64775944 Junhui Liu 2025-06-13 220 k230_rst_update(rstc, id, true, false,
360a7a64775944 Junhui Liu 2025-06-13 @221 id == RST_SPI2AXI ? false : true);
360a7a64775944 Junhui Liu 2025-06-13 222 break;
360a7a64775944 Junhui Liu 2025-06-13 223 case RST_TYPE_CPU0:
360a7a64775944 Junhui Liu 2025-06-13 224 case RST_TYPE_FLUSH:
360a7a64775944 Junhui Liu 2025-06-13 225 case RST_TYPE_HW_DONE:
360a7a64775944 Junhui Liu 2025-06-13 226 return -EOPNOTSUPP;
360a7a64775944 Junhui Liu 2025-06-13 227 }
360a7a64775944 Junhui Liu 2025-06-13 228
360a7a64775944 Junhui Liu 2025-06-13 229 /*
360a7a64775944 Junhui Liu 2025-06-13 230 * The time period when reset is applied but the clock is stopped for
360a7a64775944 Junhui Liu 2025-06-13 231 * RST_TYPE_CPU1 and RST_TYPE_SW_DONE can be set up to 3.75us. Delay
360a7a64775944 Junhui Liu 2025-06-13 232 * 10us to ensure proper reset timing.
360a7a64775944 Junhui Liu 2025-06-13 233 */
360a7a64775944 Junhui Liu 2025-06-13 234 udelay(10);
360a7a64775944 Junhui Liu 2025-06-13 235
360a7a64775944 Junhui Liu 2025-06-13 236 return 0;
360a7a64775944 Junhui Liu 2025-06-13 237 }
360a7a64775944 Junhui Liu 2025-06-13 238
:::::: The code at line 221 was first introduced by commit
:::::: 360a7a64775944e3a784cb2e3cffb15af5f328e5 reset: canaan: add reset driver for Kendryte K230
:::::: TO: Junhui Liu <junhui.liu@xxxxxxxxxxxxx>
:::::: CC: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki