From: Krzysztof Kozlowski <krzk@kernel.org>
Date: Fri, 24 Jul 2020 18:08:57 +0000 (+0200)
Subject: memory: samsung: exynos5422-dmc: Document mutex scope
X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~906^2~1^2~30
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=911c94dac9525f4824661592611f169713d74d5f;p=linux.git

memory: samsung: exynos5422-dmc: Document mutex scope

Document scope of the mutex used by driver.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Reviewed-by: Lukasz Luba <lukasz.luba@arm.com>
Link: https://lore.kernel.org/r/20200724180857.22119-1-krzk@kernel.org
---

diff --git a/drivers/memory/samsung/exynos5422-dmc.c b/drivers/memory/samsung/exynos5422-dmc.c
index 952bc61e68f4..0045fa536b2b 100644
--- a/drivers/memory/samsung/exynos5422-dmc.c
+++ b/drivers/memory/samsung/exynos5422-dmc.c
@@ -119,6 +119,7 @@ struct exynos5_dmc {
 	void __iomem *base_drexi0;
 	void __iomem *base_drexi1;
 	struct regmap *clk_regmap;
+	/* Protects curr_rate and frequency/voltage setting section */
 	struct mutex lock;
 	unsigned long curr_rate;
 	unsigned long curr_volt;