diff mbox series

usb: usb_autopm_get_interface use modern helper

Message ID 20240118202300.1616-1-oneukum@suse.com (mailing list archive)
State Accepted
Commit 7626c52b6b461b44a46cea4d51b4cf749657f5a8
Headers show
Series usb: usb_autopm_get_interface use modern helper | expand

Commit Message

Oliver Neukum Jan. 18, 2024, 8:22 p.m. UTC
PM core now gives us a primitive that does not touch
the counter in an error case. Use it.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
---
 drivers/usb/core/driver.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

Comments

Alan Stern Jan. 18, 2024, 8:37 p.m. UTC | #1
On Thu, Jan 18, 2024 at 09:22:55PM +0100, Oliver Neukum wrote:
> PM core now gives us a primitive that does not touch
> the counter in an error case. Use it.
> 
> Signed-off-by: Oliver Neukum <oneukum@suse.com>

Acked-by: Alan Stern <stern@rowland.harvard.edu>

> ---
>  drivers/usb/core/driver.c | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
> index e01b1913d02b..e02ba15f6e34 100644
> --- a/drivers/usb/core/driver.c
> +++ b/drivers/usb/core/driver.c
> @@ -1710,9 +1710,7 @@ int usb_autoresume_device(struct usb_device *udev)
>  {
>  	int	status;
>  
> -	status = pm_runtime_get_sync(&udev->dev);
> -	if (status < 0)
> -		pm_runtime_put_sync(&udev->dev);
> +	status = pm_runtime_resume_and_get(&udev->dev);
>  	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
>  			__func__, atomic_read(&udev->dev.power.usage_count),
>  			status);
> @@ -1818,9 +1816,7 @@ int usb_autopm_get_interface(struct usb_interface *intf)
>  {
>  	int	status;
>  
> -	status = pm_runtime_get_sync(&intf->dev);
> -	if (status < 0)
> -		pm_runtime_put_sync(&intf->dev);
> +	status = pm_runtime_resume_and_get(&intf->dev);
>  	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
>  			__func__, atomic_read(&intf->dev.power.usage_count),
>  			status);
> -- 
> 2.43.0
> 
>
diff mbox series

Patch

diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c
index e01b1913d02b..e02ba15f6e34 100644
--- a/drivers/usb/core/driver.c
+++ b/drivers/usb/core/driver.c
@@ -1710,9 +1710,7 @@  int usb_autoresume_device(struct usb_device *udev)
 {
 	int	status;
 
-	status = pm_runtime_get_sync(&udev->dev);
-	if (status < 0)
-		pm_runtime_put_sync(&udev->dev);
+	status = pm_runtime_resume_and_get(&udev->dev);
 	dev_vdbg(&udev->dev, "%s: cnt %d -> %d\n",
 			__func__, atomic_read(&udev->dev.power.usage_count),
 			status);
@@ -1818,9 +1816,7 @@  int usb_autopm_get_interface(struct usb_interface *intf)
 {
 	int	status;
 
-	status = pm_runtime_get_sync(&intf->dev);
-	if (status < 0)
-		pm_runtime_put_sync(&intf->dev);
+	status = pm_runtime_resume_and_get(&intf->dev);
 	dev_vdbg(&intf->dev, "%s: cnt %d -> %d\n",
 			__func__, atomic_read(&intf->dev.power.usage_count),
 			status);