Looks worth checking. julia
---------- Forwarded message ---------- Date: Wed, 10 Aug 2016 00:17:07 +0800 From: kbuild test robot <fengguang...@intel.com> To: kbu...@01.org Cc: Julia Lawall <julia.law...@lip6.fr> Subject: drivers/spi/spi.c:1160:3-9: preceding lock on line 1153 CC: kbuild-...@01.org CC: linux-kernel@vger.kernel.org TO: Mark Brown <broo...@kernel.org> tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 81abf2525827b29839a78fd55ab0699f033c41a5 commit: ef4d96ec4ad947360f48677b6007a4c77953b090 spi: Split bus and I/O locking date: 2 weeks ago :::::: branch date: 18 hours ago :::::: commit date: 2 weeks ago >> drivers/spi/spi.c:1160:3-9: preceding lock on line 1153 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git remote update linus git checkout ef4d96ec4ad947360f48677b6007a4c77953b090 vim +1160 drivers/spi/spi.c ffbbdd213 Linus Walleij 2012-02-22 1147 if (master->busy) ffbbdd213 Linus Walleij 2012-02-22 1148 was_busy = true; ffbbdd213 Linus Walleij 2012-02-22 1149 else ffbbdd213 Linus Walleij 2012-02-22 1150 master->busy = true; ffbbdd213 Linus Walleij 2012-02-22 1151 spin_unlock_irqrestore(&master->queue_lock, flags); ffbbdd213 Linus Walleij 2012-02-22 1152 ef4d96ec4 Mark Brown 2016-07-21 @1153 mutex_lock(&master->io_mutex); ef4d96ec4 Mark Brown 2016-07-21 1154 49834de23 Mark Brown 2013-07-28 1155 if (!was_busy && master->auto_runtime_pm) { 49834de23 Mark Brown 2013-07-28 1156 ret = pm_runtime_get_sync(master->dev.parent); 49834de23 Mark Brown 2013-07-28 1157 if (ret < 0) { 49834de23 Mark Brown 2013-07-28 1158 dev_err(&master->dev, "Failed to power device: %d\n", 49834de23 Mark Brown 2013-07-28 1159 ret); 49834de23 Mark Brown 2013-07-28 @1160 return; 49834de23 Mark Brown 2013-07-28 1161 } 49834de23 Mark Brown 2013-07-28 1162 } 49834de23 Mark Brown 2013-07-28 1163 :::::: The code at line 1160 was first introduced by commit :::::: 49834de234f3cf592c3d242c889ca603db8e7050 spi: Provide core support for runtime PM during transfers :::::: TO: Mark Brown <broo...@linaro.org> :::::: CC: Mark Brown <broo...@linaro.org> --- 0-DAY kernel test infrastructure Open Source Technology Center https://lists.01.org/pipermail/kbuild-all Intel Corporation
