* [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init()
@ 2022-06-08 2:11 Wei Yongjun
2022-06-09 12:24 ` Gabriel FERNANDEZ
2022-06-09 22:34 ` Stephen Boyd
0 siblings, 2 replies; 3+ messages in thread
From: Wei Yongjun @ 2022-06-08 2:11 UTC (permalink / raw)
To: weiyongjun1, Michael Turquette, Stephen Boyd, Maxime Coquelin,
Alexandre Torgue, Philipp Zabel, Gabriel Fernandez
Cc: linux-clk, linux-stm32, linux-arm-kernel, kernel-janitors, Hulk Robot
The driver allocates the spinlock but not initialize it.
Use spin_lock_init() on it to initialize it correctly.
Fixes: 637cee5ffc71 ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
---
drivers/clk/stm32/reset-stm32.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c
index 040870130e4b..e89381528af9 100644
--- a/drivers/clk/stm32/reset-stm32.c
+++ b/drivers/clk/stm32/reset-stm32.c
@@ -111,6 +111,7 @@ int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match,
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;
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^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init()
2022-06-08 2:11 [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init() Wei Yongjun
@ 2022-06-09 12:24 ` Gabriel FERNANDEZ
2022-06-09 22:34 ` Stephen Boyd
1 sibling, 0 replies; 3+ messages in thread
From: Gabriel FERNANDEZ @ 2022-06-09 12:24 UTC (permalink / raw)
To: Wei Yongjun, Michael Turquette, Stephen Boyd, Maxime Coquelin,
Alexandre Torgue, Philipp Zabel
Cc: linux-clk, linux-stm32, linux-arm-kernel, kernel-janitors, Hulk Robot
Hi Wei Yongjun,
Thank's,
you can add tested-by and reviewed-by Gabriel Fernandez
<gabriel.fernandez@foss.st.com>
Best Regards
Gabriel Fernandez
On 6/8/22 04:11, Wei Yongjun wrote:
> The driver allocates the spinlock but not initialize it.
> Use spin_lock_init() on it to initialize it correctly.
>
> Fixes: 637cee5ffc71 ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
> drivers/clk/stm32/reset-stm32.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clk/stm32/reset-stm32.c b/drivers/clk/stm32/reset-stm32.c
> index 040870130e4b..e89381528af9 100644
> --- a/drivers/clk/stm32/reset-stm32.c
> +++ b/drivers/clk/stm32/reset-stm32.c
> @@ -111,6 +111,7 @@ int stm32_rcc_reset_init(struct device *dev, const struct of_device_id *match,
> 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;
>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init()
2022-06-08 2:11 [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init() Wei Yongjun
2022-06-09 12:24 ` Gabriel FERNANDEZ
@ 2022-06-09 22:34 ` Stephen Boyd
1 sibling, 0 replies; 3+ messages in thread
From: Stephen Boyd @ 2022-06-09 22:34 UTC (permalink / raw)
To: Alexandre Torgue, Gabriel Fernandez, Maxime Coquelin,
Michael Turquette, Philipp Zabel, weiyongjun1
Cc: linux-clk, linux-stm32, linux-arm-kernel, kernel-janitors, Hulk Robot
Quoting Wei Yongjun (2022-06-07 19:11:54)
> The driver allocates the spinlock but not initialize it.
> Use spin_lock_init() on it to initialize it correctly.
>
> Fixes: 637cee5ffc71 ("clk: stm32: Introduce STM32MP13 RCC drivers (Reset Clock Controller)")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
Applied to clk-fixes
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^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2022-06-09 22:35 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2022-06-08 2:11 [PATCH -next] clk: stm32: rcc_reset: Fix missing spin_lock_init() Wei Yongjun
2022-06-09 12:24 ` Gabriel FERNANDEZ
2022-06-09 22:34 ` Stephen Boyd
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