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* [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-04-21  9:00 ` Yang Yingliang
  0 siblings, 0 replies; 9+ messages in thread
From: Yang Yingliang @ 2022-04-21  9:00 UTC (permalink / raw)
  To: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, narmstrong, tanure

Fix the missing clk_disable_unprepare() before return
from meson_i2c_probe() in the error handling case.

Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/i2c/busses/i2c-meson.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 50dab123380a..195a9716da31 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
 	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
 			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
 
-	if (!i2c->data->set_clk_div)
+	if (!i2c->data->set_clk_div) {
+		clk_disable_unprepare(i2c->clk);
 		return -EINVAL;
+	}
 	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
 
 	ret = i2c_add_adapter(&i2c->adap);
-- 
2.25.1


^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-04-21  9:00 ` Yang Yingliang
  0 siblings, 0 replies; 9+ messages in thread
From: Yang Yingliang @ 2022-04-21  9:00 UTC (permalink / raw)
  To: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, narmstrong, tanure

Fix the missing clk_disable_unprepare() before return
from meson_i2c_probe() in the error handling case.

Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/i2c/busses/i2c-meson.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 50dab123380a..195a9716da31 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
 	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
 			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
 
-	if (!i2c->data->set_clk_div)
+	if (!i2c->data->set_clk_div) {
+		clk_disable_unprepare(i2c->clk);
 		return -EINVAL;
+	}
 	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
 
 	ret = i2c_add_adapter(&i2c->adap);
-- 
2.25.1


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linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-04-21  9:00 ` Yang Yingliang
  0 siblings, 0 replies; 9+ messages in thread
From: Yang Yingliang @ 2022-04-21  9:00 UTC (permalink / raw)
  To: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, narmstrong, tanure

Fix the missing clk_disable_unprepare() before return
from meson_i2c_probe() in the error handling case.

Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
---
 drivers/i2c/busses/i2c-meson.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
index 50dab123380a..195a9716da31 100644
--- a/drivers/i2c/busses/i2c-meson.c
+++ b/drivers/i2c/busses/i2c-meson.c
@@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
 	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
 			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
 
-	if (!i2c->data->set_clk_div)
+	if (!i2c->data->set_clk_div) {
+		clk_disable_unprepare(i2c->clk);
 		return -EINVAL;
+	}
 	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
 
 	ret = i2c_add_adapter(&i2c->adap);
-- 
2.25.1


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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply related	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
  2022-04-21  9:00 ` Yang Yingliang
  (?)
@ 2022-04-21 10:04   ` Neil Armstrong
  -1 siblings, 0 replies; 9+ messages in thread
From: Neil Armstrong @ 2022-04-21 10:04 UTC (permalink / raw)
  To: Yang Yingliang, linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, tanure

On 21/04/2022 11:00, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>   drivers/i2c/busses/i2c-meson.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
> index 50dab123380a..195a9716da31 100644
> --- a/drivers/i2c/busses/i2c-meson.c
> +++ b/drivers/i2c/busses/i2c-meson.c
> @@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
>   	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
>   			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
>   
> -	if (!i2c->data->set_clk_div)
> +	if (!i2c->data->set_clk_div) {
> +		clk_disable_unprepare(i2c->clk);
>   		return -EINVAL;
> +	}
>   	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
>   
>   	ret = i2c_add_adapter(&i2c->adap);

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-04-21 10:04   ` Neil Armstrong
  0 siblings, 0 replies; 9+ messages in thread
From: Neil Armstrong @ 2022-04-21 10:04 UTC (permalink / raw)
  To: Yang Yingliang, linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, tanure

On 21/04/2022 11:00, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>   drivers/i2c/busses/i2c-meson.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
> index 50dab123380a..195a9716da31 100644
> --- a/drivers/i2c/busses/i2c-meson.c
> +++ b/drivers/i2c/busses/i2c-meson.c
> @@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
>   	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
>   			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
>   
> -	if (!i2c->data->set_clk_div)
> +	if (!i2c->data->set_clk_div) {
> +		clk_disable_unprepare(i2c->clk);
>   		return -EINVAL;
> +	}
>   	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
>   
>   	ret = i2c_add_adapter(&i2c->adap);

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-04-21 10:04   ` Neil Armstrong
  0 siblings, 0 replies; 9+ messages in thread
From: Neil Armstrong @ 2022-04-21 10:04 UTC (permalink / raw)
  To: Yang Yingliang, linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c
  Cc: wsa, tanure

On 21/04/2022 11:00, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
> ---
>   drivers/i2c/busses/i2c-meson.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-meson.c b/drivers/i2c/busses/i2c-meson.c
> index 50dab123380a..195a9716da31 100644
> --- a/drivers/i2c/busses/i2c-meson.c
> +++ b/drivers/i2c/busses/i2c-meson.c
> @@ -520,8 +520,10 @@ static int meson_i2c_probe(struct platform_device *pdev)
>   	meson_i2c_set_mask(i2c, REG_SLAVE_ADDR,
>   			   REG_SLV_SDA_FILTER_MASK | REG_SLV_SCL_FILTER_MASK, 0);
>   
> -	if (!i2c->data->set_clk_div)
> +	if (!i2c->data->set_clk_div) {
> +		clk_disable_unprepare(i2c->clk);
>   		return -EINVAL;
> +	}
>   	i2c->data->set_clk_div(i2c, timings.bus_freq_hz);
>   
>   	ret = i2c_add_adapter(&i2c->adap);

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
  2022-04-21  9:00 ` Yang Yingliang
  (?)
@ 2022-05-04 20:38   ` Wolfram Sang
  -1 siblings, 0 replies; 9+ messages in thread
From: Wolfram Sang @ 2022-05-04 20:38 UTC (permalink / raw)
  To: Yang Yingliang
  Cc: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c,
	narmstrong, tanure

[-- Attachment #1: Type: text/plain, Size: 393 bytes --]

On Thu, Apr 21, 2022 at 05:00:42PM +0800, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>

Applied to for-next, thanks!


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^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-05-04 20:38   ` Wolfram Sang
  0 siblings, 0 replies; 9+ messages in thread
From: Wolfram Sang @ 2022-05-04 20:38 UTC (permalink / raw)
  To: Yang Yingliang
  Cc: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c,
	narmstrong, tanure


[-- Attachment #1.1: Type: text/plain, Size: 393 bytes --]

On Thu, Apr 21, 2022 at 05:00:42PM +0800, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>

Applied to for-next, thanks!


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_______________________________________________
linux-amlogic mailing list
linux-amlogic@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-amlogic

^ permalink raw reply	[flat|nested] 9+ messages in thread

* Re: [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe()
@ 2022-05-04 20:38   ` Wolfram Sang
  0 siblings, 0 replies; 9+ messages in thread
From: Wolfram Sang @ 2022-05-04 20:38 UTC (permalink / raw)
  To: Yang Yingliang
  Cc: linux-kernel, linux-amlogic, linux-arm-kernel, linux-i2c,
	narmstrong, tanure


[-- Attachment #1.1: Type: text/plain, Size: 393 bytes --]

On Thu, Apr 21, 2022 at 05:00:42PM +0800, Yang Yingliang wrote:
> Fix the missing clk_disable_unprepare() before return
> from meson_i2c_probe() in the error handling case.
> 
> Fixes: a57f9b4dd6f5 ("i2c: meson: Use 50% duty cycle for I2C clock")
> Reported-by: Hulk Robot <hulkci@huawei.com>
> Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>

Applied to for-next, thanks!


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[-- Attachment #2: Type: text/plain, Size: 176 bytes --]

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2022-05-04 20:39 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-21  9:00 [PATCH -next] i2c: meson: fix missing clk_disable_unprepare() on error in meson_i2c_probe() Yang Yingliang
2022-04-21  9:00 ` Yang Yingliang
2022-04-21  9:00 ` Yang Yingliang
2022-04-21 10:04 ` Neil Armstrong
2022-04-21 10:04   ` Neil Armstrong
2022-04-21 10:04   ` Neil Armstrong
2022-05-04 20:38 ` Wolfram Sang
2022-05-04 20:38   ` Wolfram Sang
2022-05-04 20:38   ` Wolfram Sang

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