linux-kernel - [PATCH -next] hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime

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Message-ID: <20220514084241.681812-1-yangyingliang@huawei.com>
Date:   Sat, 14 May 2022 16:42:41 +0800
From:   Yang Yingliang <yangyingliang@...wei.com>
To:     <linux-kernel@...r.kernel.org>, <linux-crypto@...r.kernel.org>
CC:     <mpm@...enic.com>, <herbert@...dor.apana.org.au>,
        <tony@...mide.com>
Subject: [PATCH -next] hwrng: omap3-rom - fix using wrong clk_disable() in omap_rom_rng_runtime_resume()

'ddata->clk' is enabled by clk_prepare_enable(), it should be disabled
by clk_disable_unprepare().

Fixes: 8d9d4bdc495f ("hwrng: omap3-rom - Use runtime PM instead of custom functions")
Signed-off-by: Yang Yingliang <yangyingliang@...wei.com>
---
 drivers/char/hw_random/omap3-rom-rng.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/hw_random/omap3-rom-rng.c b/drivers/char/hw_random/omap3-rom-rng.c
index e0d77fa048fb..f06e4f95114f 100644
--- a/drivers/char/hw_random/omap3-rom-rng.c
+++ b/drivers/char/hw_random/omap3-rom-rng.c
@@ -92,7 +92,7 @@ static int __maybe_unused omap_rom_rng_runtime_resume(struct device *dev)
 
 	r = ddata->rom_rng_call(0, 0, RNG_GEN_PRNG_HW_INIT);
 	if (r != 0) {
-		clk_disable(ddata->clk);
+		clk_disable_unprepare(ddata->clk);
 		dev_err(dev, "HW init failed: %d\n", r);
 
 		return -EIO;
-- 
2.25.1