linux-kernel - [PATCH -next] clk: stm32mp1: fix missing spin_lock

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Date:   Wed, 30 Jun 2021 09:58:23 +0800
From:   Wang Hai <wanghai38@...wei.com>
To:     <mturquette@...libre.com>, <sboyd@...nel.org>,
        <mcoquelin.stm32@...il.com>, <alexandre.torgue@...s.st.com>,
        <gabriel.fernandez@...s.st.com>
CC:     <linux-clk@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next] clk: stm32mp1: fix missing spin_lock_init()

The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.

Fixes: c392df194a2d ("clk: stm32mp1: move RCC reset controller into RCC clock driver")
Reported-by: Hulk Robot <hulkci@...wei.com>
Signed-off-by: Wang Hai <wanghai38@...wei.com>
---
 drivers/clk/clk-stm32mp1.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c
index 6adc625e79c..256575bd29b 100644
--- a/drivers/clk/clk-stm32mp1.c
+++ b/drivers/clk/clk-stm32mp1.c
@@ -2263,6 +2263,7 @@ static int stm32_rcc_reset_init(struct device *dev, void __iomem *base,
 	if (!reset_data)
 		return -ENOMEM;
 
+	spin_lock_init(&reset_data->lock);
 	reset_data->membase = base;
 	reset_data->rcdev.owner = THIS_MODULE;
 	reset_data->rcdev.ops = &stm32_reset_ops;
-- 
2.17.1