From: kernel test robot <lkp@intel.com>
To: oe-kbuild@lists.linux.dev
Cc: lkp@intel.com, Julia Lawall <julia.lawall@inria.fr>
Subject: [arm-integrator:b4/genexis-xg6846b-bcmbca-xrdp-reset 5/6] drivers/bus/bcmbca_pmc3_pmb.c:100:2-8: preceding lock on line 86
Date: Wed, 14 Oct 2026 23:16:59 +0200 [thread overview]
Message-ID: <202610142340.SKtimKtj-lkp@intel.com> (raw)
BCC: lkp@intel.com
CC: oe-kbuild-all@lists.linux.dev
TO: Linus Walleij <linusw@kernel.org>
tree: https://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-integrator.git b4/genexis-xg6846b-bcmbca-xrdp-reset
head: f576cbf2d1f356edfa8a9a7774037a6f28209ac2
commit: f7d8e26a2c3719e61f34785d5049f1f68f4413cb [5/6] bus: Add a shared BCMBCA PMC3 PMB transport
:::::: branch date: 12 hours ago
:::::: commit date: 12 hours ago
config: parisc-randconfig-r2111-20261014 (https://download.01.org/0day-ci/archive/20261014/202610142340.SKtimKtj-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 8.5.0
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@intel.com>
| Reported-by: Julia Lawall <julia.lawall@inria.fr>
| Closes: https://lore.kernel.org/r/202610142340.SKtimKtj-lkp@intel.com/
cocci warnings: (new ones prefixed by >>)
>> drivers/bus/bcmbca_pmc3_pmb.c:100:2-8: preceding lock on line 86
vim +100 drivers/bus/bcmbca_pmc3_pmb.c
f7d8e26a2c3719e Linus Walleij 2026-10-13 80
f7d8e26a2c3719e Linus Walleij 2026-10-13 81 int bcmbca_pmb_lock(struct bcmbca_pmb *pmb)
f7d8e26a2c3719e Linus Walleij 2026-10-13 82 {
f7d8e26a2c3719e Linus Walleij 2026-10-13 83 u32 value;
f7d8e26a2c3719e Linus Walleij 2026-10-13 84 int ret;
f7d8e26a2c3719e Linus Walleij 2026-10-13 85
f7d8e26a2c3719e Linus Walleij 2026-10-13 @86 mutex_lock(&pmb->lock);
f7d8e26a2c3719e Linus Walleij 2026-10-13 87 if (pmb->stopping) {
f7d8e26a2c3719e Linus Walleij 2026-10-13 88 ret = -ENODEV;
f7d8e26a2c3719e Linus Walleij 2026-10-13 89 goto unlock;
f7d8e26a2c3719e Linus Walleij 2026-10-13 90 }
f7d8e26a2c3719e Linus Walleij 2026-10-13 91 if (pmb->recovering) {
f7d8e26a2c3719e Linus Walleij 2026-10-13 92 ret = -EBUSY;
f7d8e26a2c3719e Linus Walleij 2026-10-13 93 goto unlock;
f7d8e26a2c3719e Linus Walleij 2026-10-13 94 }
f7d8e26a2c3719e Linus Walleij 2026-10-13 95
f7d8e26a2c3719e Linus Walleij 2026-10-13 96 /* Reading bit 0 acquires the hardware lock; writing 1 releases it. */
f7d8e26a2c3719e Linus Walleij 2026-10-13 97 ret = readl_poll_timeout(pmb->base + PMB_MUTEX, value,
f7d8e26a2c3719e Linus Walleij 2026-10-13 98 value & PMB_LOCKED, 1, 1000);
f7d8e26a2c3719e Linus Walleij 2026-10-13 99 if (!ret)
f7d8e26a2c3719e Linus Walleij 2026-10-13 @100 return 0;
f7d8e26a2c3719e Linus Walleij 2026-10-13 101 unlock:
f7d8e26a2c3719e Linus Walleij 2026-10-13 102 mutex_unlock(&pmb->lock);
f7d8e26a2c3719e Linus Walleij 2026-10-13 103 return ret;
f7d8e26a2c3719e Linus Walleij 2026-10-13 104 }
f7d8e26a2c3719e Linus Walleij 2026-10-13 105 EXPORT_SYMBOL_GPL(bcmbca_pmb_lock);
f7d8e26a2c3719e Linus Walleij 2026-10-13 106
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
reply other threads:[~2026-10-14 21:18 UTC|newest]
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