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Message-ID: <20240919091834.83572-2-sebastian.reichel@collabora.com>
Date: Thu, 19 Sep 2024 11:12:42 +0200
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Heiko Stuebner <heiko@...ech.de>,
Ulf Hansson <ulf.hansson@...aro.org>
Cc: Elaine Zhang <zhangqing@...k-chips.com>,
Adrián Martínez Larumbe <adrian.larumbe@...labora.com>,
Boris Brezillon <boris.brezillon@...labora.com>,
Chen-Yu Tsai <wens@...e.org>,
devicetree@...r.kernel.org,
linux-rockchip@...ts.infradead.org,
linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org,
Sebastian Reichel <sebastian.reichel@...labora.com>,
kernel@...labora.com
Subject: [PATCH v2 1/6] pmdomain: rockchip: cleanup mutex handling in rockchip_pd_power
Use the cleanup infrastructure to handle the mutex, which
slightly improve code readability for this function.
Reviewed-by: Heiko Stuebner <heiko@...ech.de>
Tested-by: Adrian Larumbe <adrian.larumbe@...labora.com> # On Rock 5B
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
drivers/pmdomain/rockchip/pm-domains.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index 9b76b62869d0..4f7021f47261 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -529,13 +529,12 @@ static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
struct rockchip_pmu *pmu = pd->pmu;
int ret;
- mutex_lock(&pmu->mutex);
+ guard(mutex)(&pmu->mutex);
if (rockchip_pmu_domain_is_on(pd) != power_on) {
ret = clk_bulk_enable(pd->num_clks, pd->clks);
if (ret < 0) {
dev_err(pmu->dev, "failed to enable clocks\n");
- mutex_unlock(&pmu->mutex);
return ret;
}
@@ -558,7 +557,6 @@ static int rockchip_pd_power(struct rockchip_pm_domain *pd, bool power_on)
clk_bulk_disable(pd->num_clks, pd->clks);
}
- mutex_unlock(&pmu->mutex);
return 0;
}
--
2.45.2
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