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* [PATCH next] phy: tegra: xusb: remove a stray unlock
@ 2025-04-23 13:08 Dan Carpenter
  2025-04-24  7:30 ` Jon Hunter
  2025-05-14 11:31 ` Vinod Koul
  0 siblings, 2 replies; 4+ messages in thread
From: Dan Carpenter @ 2025-04-23 13:08 UTC (permalink / raw)
  To: Wayne Chang
  Cc: JC Kuo, Vinod Koul, Kishon Vijay Abraham I, Thierry Reding,
	Jonathan Hunter, linux-phy, linux-tegra, linux-kernel,
	kernel-janitors

We used to take a lock in tegra186_utmi_bias_pad_power_on() but now we
have moved the lock into the caller.  Unfortunately, when we moved the
lock this unlock was left behind and it results in a double unlock.
Delete it now.

Fixes: b47158fb4295 ("phy: tegra: xusb: Use a bitmask for UTMI pad power state tracking")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
---
 drivers/phy/tegra/xusb-tegra186.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
index cc7b8a6a999f..23a23f2d64e5 100644
--- a/drivers/phy/tegra/xusb-tegra186.c
+++ b/drivers/phy/tegra/xusb-tegra186.c
@@ -656,8 +656,6 @@ static void tegra186_utmi_bias_pad_power_on(struct tegra_xusb_padctl *padctl)
 	} else {
 		clk_disable_unprepare(priv->usb2_trk_clk);
 	}
-
-	mutex_unlock(&padctl->lock);
 }
 
 static void tegra186_utmi_bias_pad_power_off(struct tegra_xusb_padctl *padctl)
-- 
2.47.2


^ permalink raw reply related	[flat|nested] 4+ messages in thread

* Re: [PATCH next] phy: tegra: xusb: remove a stray unlock
  2025-04-23 13:08 [PATCH next] phy: tegra: xusb: remove a stray unlock Dan Carpenter
@ 2025-04-24  7:30 ` Jon Hunter
  2025-05-07  8:47   ` Jon Hunter
  2025-05-14 11:31 ` Vinod Koul
  1 sibling, 1 reply; 4+ messages in thread
From: Jon Hunter @ 2025-04-24  7:30 UTC (permalink / raw)
  To: Dan Carpenter, Wayne Chang
  Cc: JC Kuo, Vinod Koul, Kishon Vijay Abraham I, Thierry Reding,
	linux-phy, linux-tegra, linux-kernel, kernel-janitors


On 23/04/2025 14:08, Dan Carpenter wrote:
> We used to take a lock in tegra186_utmi_bias_pad_power_on() but now we
> have moved the lock into the caller.  Unfortunately, when we moved the
> lock this unlock was left behind and it results in a double unlock.
> Delete it now.
> 
> Fixes: b47158fb4295 ("phy: tegra: xusb: Use a bitmask for UTMI pad power state tracking")
> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
> ---
>   drivers/phy/tegra/xusb-tegra186.c | 2 --
>   1 file changed, 2 deletions(-)
> 
> diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/xusb-tegra186.c
> index cc7b8a6a999f..23a23f2d64e5 100644
> --- a/drivers/phy/tegra/xusb-tegra186.c
> +++ b/drivers/phy/tegra/xusb-tegra186.c
> @@ -656,8 +656,6 @@ static void tegra186_utmi_bias_pad_power_on(struct tegra_xusb_padctl *padctl)
>   	} else {
>   		clk_disable_unprepare(priv->usb2_trk_clk);
>   	}
> -
> -	mutex_unlock(&padctl->lock);
>   }
>   
>   static void tegra186_utmi_bias_pad_power_off(struct tegra_xusb_padctl *padctl)


Reviewed-by: Jon Hunter <jonathanh@nvidia.com>

Thanks for catching and fixing this!

Jon

-- 
nvpublic


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH next] phy: tegra: xusb: remove a stray unlock
  2025-04-24  7:30 ` Jon Hunter
@ 2025-05-07  8:47   ` Jon Hunter
  0 siblings, 0 replies; 4+ messages in thread
From: Jon Hunter @ 2025-05-07  8:47 UTC (permalink / raw)
  To: Dan Carpenter, Wayne Chang, Vinod Koul
  Cc: JC Kuo, Kishon Vijay Abraham I, Thierry Reding, linux-phy,
	linux-tegra, linux-kernel, kernel-janitors

Hi Vinod,

On 24/04/2025 08:30, Jon Hunter wrote:
> 
> On 23/04/2025 14:08, Dan Carpenter wrote:
>> We used to take a lock in tegra186_utmi_bias_pad_power_on() but now we
>> have moved the lock into the caller.  Unfortunately, when we moved the
>> lock this unlock was left behind and it results in a double unlock.
>> Delete it now.
>>
>> Fixes: b47158fb4295 ("phy: tegra: xusb: Use a bitmask for UTMI pad 
>> power state tracking")
>> Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
>> ---
>>   drivers/phy/tegra/xusb-tegra186.c | 2 --
>>   1 file changed, 2 deletions(-)
>>
>> diff --git a/drivers/phy/tegra/xusb-tegra186.c b/drivers/phy/tegra/ 
>> xusb-tegra186.c
>> index cc7b8a6a999f..23a23f2d64e5 100644
>> --- a/drivers/phy/tegra/xusb-tegra186.c
>> +++ b/drivers/phy/tegra/xusb-tegra186.c
>> @@ -656,8 +656,6 @@ static void tegra186_utmi_bias_pad_power_on(struct 
>> tegra_xusb_padctl *padctl)
>>       } else {
>>           clk_disable_unprepare(priv->usb2_trk_clk);
>>       }
>> -
>> -    mutex_unlock(&padctl->lock);
>>   }
>>   static void tegra186_utmi_bias_pad_power_off(struct 
>> tegra_xusb_padctl *padctl)
> 
> 
> Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
> 
> Thanks for catching and fixing this!


Can you pick this up please?

Thanks
Jon

-- 
nvpublic


^ permalink raw reply	[flat|nested] 4+ messages in thread

* Re: [PATCH next] phy: tegra: xusb: remove a stray unlock
  2025-04-23 13:08 [PATCH next] phy: tegra: xusb: remove a stray unlock Dan Carpenter
  2025-04-24  7:30 ` Jon Hunter
@ 2025-05-14 11:31 ` Vinod Koul
  1 sibling, 0 replies; 4+ messages in thread
From: Vinod Koul @ 2025-05-14 11:31 UTC (permalink / raw)
  To: Wayne Chang, Dan Carpenter
  Cc: JC Kuo, Kishon Vijay Abraham I, Thierry Reding, Jonathan Hunter,
	linux-phy, linux-tegra, linux-kernel, kernel-janitors


On Wed, 23 Apr 2025 16:08:23 +0300, Dan Carpenter wrote:
> We used to take a lock in tegra186_utmi_bias_pad_power_on() but now we
> have moved the lock into the caller.  Unfortunately, when we moved the
> lock this unlock was left behind and it results in a double unlock.
> Delete it now.
> 
> 

Applied, thanks!

[1/1] phy: tegra: xusb: remove a stray unlock
      commit: 83c178470e0bf690d34c8c08440f2421b82e881c

Best regards,
-- 
~Vinod



^ permalink raw reply	[flat|nested] 4+ messages in thread

end of thread, other threads:[~2025-05-14 11:31 UTC | newest]

Thread overview: 4+ messages (download: mbox.gz follow: Atom feed
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2025-04-23 13:08 [PATCH next] phy: tegra: xusb: remove a stray unlock Dan Carpenter
2025-04-24  7:30 ` Jon Hunter
2025-05-07  8:47   ` Jon Hunter
2025-05-14 11:31 ` Vinod Koul

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