From mboxrd@z Thu Jan 1 00:00:00 1970 From: Fabian Frederick Subject: [PATCH 07/14] PM / RUNTIME: use atomic_dec_not_zero() Date: Mon, 30 Jan 2017 19:47:43 +0100 Message-ID: <20170130184743.18402-1-fabf@skynet.be> Return-path: Sender: linux-kernel-owner@vger.kernel.org To: Andrew Morton Cc: linux-kernel@vger.kernel.org, rjw@rjwysocki.net, linux-pm@vger.kernel.org, Fabian Frederick List-Id: linux-pm@vger.kernel.org instead of atomic_add_unless(value, -1, 0) Signed-off-by: Fabian Frederick --- drivers/base/power/runtime.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/base/power/runtime.c b/drivers/base/power/runtime.c index 872eac4..8ed435f 100644 --- a/drivers/base/power/runtime.c +++ b/drivers/base/power/runtime.c @@ -603,7 +603,7 @@ static int rpm_suspend(struct device *dev, int rpmflags) if (dev->parent) { parent = dev->parent; - atomic_add_unless(&parent->power.child_count, -1, 0); + atomic_dec_not_zero(&parent->power.child_count); } wake_up_all(&dev->power.wait_queue); @@ -1116,7 +1116,7 @@ int __pm_runtime_set_status(struct device *dev, unsigned int status) } if (parent) { - atomic_add_unless(&parent->power.child_count, -1, 0); + atomic_dec_not_zero(&parent->power.child_count); notify_parent = !parent->power.ignore_children; } goto out_set; -- 2.9.3