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From:   Florian Fainelli <florian.fainelli@broadcom.com>
To:     linux-pwm@vger.kernel.org
Cc:     Florian Fainelli <florian.fainelli@broadcom.com>,
        Thierry Reding <thierry.reding@gmail.com>,
        =?UTF-8?q?Uwe=20Kleine-K=C3=B6nig?= 
        <u.kleine-koenig@pengutronix.de>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@broadcom.com>,
        linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM7XXX
        ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list)
Subject: [PATCH] pwm: brcmstb: Utilize appropriate clock APIs in suspend/resume
Date:   Wed,  4 Oct 2023 10:54:14 -0700
Message-Id: <20231004175414.1738475-1-florian.fainelli@broadcom.com>
MIME-Version: 1.0
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--0000000000005a54150606e7b2c4
Content-Transfer-Encoding: 8bit

The suspend/resume functions currently utilize
clk_disable()/clk_enable() respectively which may be no-ops with certain
clock providers such as SCMI. Fix this to use clk_disable_unprepare()
and clk_prepare_enable() respectively as we should.

Fixes: 3a9f5957020f ("pwm: Add Broadcom BCM7038 PWM controller support")
Signed-off-by: Florian Fainelli <florian.fainelli@broadcom.com>
---
 drivers/pwm/pwm-brcmstb.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pwm/pwm-brcmstb.c b/drivers/pwm/pwm-brcmstb.c
index a3faa9a3de7c..a7d529bf76ad 100644
--- a/drivers/pwm/pwm-brcmstb.c
+++ b/drivers/pwm/pwm-brcmstb.c
@@ -288,7 +288,7 @@ static int brcmstb_pwm_suspend(struct device *dev)
 {
 	struct brcmstb_pwm *p = dev_get_drvdata(dev);
 
-	clk_disable(p->clk);
+	clk_disable_unprepare(p->clk);
 
 	return 0;
 }
@@ -297,7 +297,7 @@ static int brcmstb_pwm_resume(struct device *dev)
 {
 	struct brcmstb_pwm *p = dev_get_drvdata(dev);
 
-	clk_enable(p->clk);
+	clk_prepare_enable(p->clk);
 
 	return 0;
 }
-- 
2.34.1


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