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* [PATCH v2] phy: mapphone-mdm6600: return error when timed out powering up
@ 2020-11-16  9:11 xiakaixu1987
  2020-11-16  9:42 ` Vinod Koul
  0 siblings, 1 reply; 2+ messages in thread
From: xiakaixu1987 @ 2020-11-16  9:11 UTC (permalink / raw)
  To: kishon, vkoul; +Cc: linux-kernel, Kaixu Xia

From: Kaixu Xia <kaixuxia@tencent.com>

The value of variable error is overwritten by the following call
devm_request_threaded_irq() in phy_mdm6600_device_power_on(), actually
we should return error when timed out powering up.

Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
---
v2:
 -directly return error when timed out powering.

 drivers/phy/motorola/phy-mapphone-mdm6600.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
index 5172971f4c36..2f461c0d7276 100644
--- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
+++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
@@ -423,6 +423,7 @@ static int phy_mdm6600_device_power_on(struct phy_mdm6600 *ddata)
 		ddata->enabled = false;
 		error = -ETIMEDOUT;
 		dev_err(ddata->dev, "Timed out powering up\n");
+		return error;
 	}
 
 	/* Reconfigure mode1 GPIO as input for OOB wake */
-- 
2.20.0


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH v2] phy: mapphone-mdm6600: return error when timed out powering up
  2020-11-16  9:11 [PATCH v2] phy: mapphone-mdm6600: return error when timed out powering up xiakaixu1987
@ 2020-11-16  9:42 ` Vinod Koul
  0 siblings, 0 replies; 2+ messages in thread
From: Vinod Koul @ 2020-11-16  9:42 UTC (permalink / raw)
  To: xiakaixu1987; +Cc: kishon, linux-kernel, Kaixu Xia

On 16-11-20, 17:11, xiakaixu1987@gmail.com wrote:
> From: Kaixu Xia <kaixuxia@tencent.com>
> 
> The value of variable error is overwritten by the following call
> devm_request_threaded_irq() in phy_mdm6600_device_power_on(), actually
> we should return error when timed out powering up.
> 
> Reported-by: Tosk Robot <tencent_os_robot@tencent.com>
> Signed-off-by: Kaixu Xia <kaixuxia@tencent.com>
> ---
> v2:
>  -directly return error when timed out powering.
> 
>  drivers/phy/motorola/phy-mapphone-mdm6600.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/phy/motorola/phy-mapphone-mdm6600.c b/drivers/phy/motorola/phy-mapphone-mdm6600.c
> index 5172971f4c36..2f461c0d7276 100644
> --- a/drivers/phy/motorola/phy-mapphone-mdm6600.c
> +++ b/drivers/phy/motorola/phy-mapphone-mdm6600.c
> @@ -423,6 +423,7 @@ static int phy_mdm6600_device_power_on(struct phy_mdm6600 *ddata)
>  		ddata->enabled = false;
>  		error = -ETIMEDOUT;

or drop this
>  		dev_err(ddata->dev, "Timed out powering up\n");
> +		return error;

and do:
                return -ETIMEDOUT;


>  	}
>  
>  	/* Reconfigure mode1 GPIO as input for OOB wake */
> -- 
> 2.20.0

-- 
~Vinod

^ permalink raw reply	[flat|nested] 2+ messages in thread

end of thread, other threads:[~2020-11-16 10:18 UTC | newest]

Thread overview: 2+ messages (download: mbox.gz / follow: Atom feed)
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2020-11-16  9:11 [PATCH v2] phy: mapphone-mdm6600: return error when timed out powering up xiakaixu1987
2020-11-16  9:42 ` Vinod Koul

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