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pmdomain: qcom: rpmhpd: Simplify locking with guard()

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Simplify error handling (less gotos) over locks with guard().

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Konrad Dybcio <konradybcio@kernel.org>
Link: https://lore.kernel.org/r/20240823-cleanup-h-guard-pm-domain-v1-7-8320722eaf39@linaro.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Krzysztof Kozlowski 2024-08-23 14:51:11 +02:00 committed by Ulf Hansson
parent ba3a65c69b
commit 005d29ac59
1 changed files with 5 additions and 6 deletions
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11
drivers/pmdomain/qcom/rpmhpd.c
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@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0 // SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/ /* Copyright (c) 2018, The Linux Foundation. All rights reserved.*/
#include <linux/cleanup.h>
#include <linux/err.h> #include <linux/err.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/kernel.h> #include <linux/kernel.h>
@ -775,9 +776,9 @@ static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
unsigned int level) unsigned int level)
{ {
struct rpmhpd *pd = domain_to_rpmhpd(domain); struct rpmhpd *pd = domain_to_rpmhpd(domain);
int ret = 0, i; int ret, i;
mutex_lock(&rpmhpd_lock); guard(mutex)(&rpmhpd_lock);
for (i = 0; i < pd->level_count; i++) for (i = 0; i < pd->level_count; i++)
if (level <= pd->level[i]) if (level <= pd->level[i])
@ -797,14 +798,12 @@ static int rpmhpd_set_performance_state(struct generic_pm_domain *domain,
ret = rpmhpd_aggregate_corner(pd, i); ret = rpmhpd_aggregate_corner(pd, i);
if (ret) if (ret)
goto out; return ret;
} }
pd->corner = i; pd->corner = i;
out:
mutex_unlock(&rpmhpd_lock);
return ret; return 0;
} }
static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd) static int rpmhpd_update_level_mapping(struct rpmhpd *rpmhpd)