[v4,2/7] pmdomain: rockchip: cleanup mutex handling in rockchip_pd_power

Commit Message

Sebastian Reichel Dec. 10, 2024, 5:06 p.m. UTC

Use the cleanup infrastructure to handle the mutex, which
slightly improve code readability for this function.

Reviewed-by: Heiko Stuebner <[e-mail]>
Tested-by: Adrian Larumbe <[e-mail]> # On Rock 5B
Signed-off-by: Sebastian Reichel <[e-mail]>
---
 drivers/pmdomain/rockchip/pm-domains.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

Patch

diff --git a/drivers/pmdomain/rockchip/pm-domains.c b/drivers/pmdomain/rockchip/pm-domains.c
index cb0f93800138..a161ee13c633 100644
--- a/drivers/pmdomain/rockchip/pm-domains.c
+++ b/drivers/pmdomain/rockchip/pm-domains.c
@@ -574,13 +574,12 @@  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;
 		}
 
@@ -606,7 +605,6 @@  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;
 }