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path: root/drivers/clk/qcom/clk-rpm.c
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Diffstat (limited to 'drivers/clk/qcom/clk-rpm.c')
-rw-r--r--drivers/clk/qcom/clk-rpm.c28
1 files changed, 11 insertions, 17 deletions
diff --git a/drivers/clk/qcom/clk-rpm.c b/drivers/clk/qcom/clk-rpm.c
index 745026ef4d9c..ccc112c21667 100644
--- a/drivers/clk/qcom/clk-rpm.c
+++ b/drivers/clk/qcom/clk-rpm.c
@@ -4,6 +4,7 @@
* Copyright (c) 2014, The Linux Foundation. All rights reserved.
*/
+#include <linux/cleanup.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/export.h>
@@ -98,7 +99,6 @@ struct clk_rpm {
};
struct rpm_cc {
- struct qcom_rpm *rpm;
struct clk_rpm **clks;
size_t num_clks;
u32 xo_buffer_value;
@@ -225,10 +225,10 @@ static void clk_rpm_unprepare(struct clk_hw *hw)
unsigned long active_rate, sleep_rate;
int ret;
- mutex_lock(&rpm_clk_lock);
+ guard(mutex)(&rpm_clk_lock);
if (!r->rate)
- goto out;
+ return;
/* Take peer clock's rate into account only if it's enabled. */
if (peer->enabled)
@@ -238,17 +238,14 @@ static void clk_rpm_unprepare(struct clk_hw *hw)
active_rate = r->branch ? !!peer_rate : peer_rate;
ret = clk_rpm_set_rate_active(r, active_rate);
if (ret)
- goto out;
+ return;
sleep_rate = r->branch ? !!peer_sleep_rate : peer_sleep_rate;
ret = clk_rpm_set_rate_sleep(r, sleep_rate);
if (ret)
- goto out;
+ return;
r->enabled = false;
-
-out:
- mutex_unlock(&rpm_clk_lock);
}
static int clk_rpm_xo_prepare(struct clk_hw *hw)
@@ -325,12 +322,12 @@ static int clk_rpm_set_rate(struct clk_hw *hw,
unsigned long active_rate, sleep_rate;
unsigned long this_rate = 0, this_sleep_rate = 0;
unsigned long peer_rate = 0, peer_sleep_rate = 0;
- int ret = 0;
+ int ret;
- mutex_lock(&rpm_clk_lock);
+ guard(mutex)(&rpm_clk_lock);
if (!r->enabled)
- goto out;
+ return 0;
to_active_sleep(r, rate, &this_rate, &this_sleep_rate);
@@ -342,19 +339,16 @@ static int clk_rpm_set_rate(struct clk_hw *hw,
active_rate = max(this_rate, peer_rate);
ret = clk_rpm_set_rate_active(r, active_rate);
if (ret)
- goto out;
+ return ret;
sleep_rate = max(this_sleep_rate, peer_sleep_rate);
ret = clk_rpm_set_rate_sleep(r, sleep_rate);
if (ret)
- goto out;
+ return ret;
r->rate = rate;
-out:
- mutex_unlock(&rpm_clk_lock);
-
- return ret;
+ return 0;
}
static long clk_rpm_round_rate(struct clk_hw *hw, unsigned long rate,