Re: [PATCH 16/39] drm: renesas: shmobile: Convert to use devm_request_irq()

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Hi Geert,

Thank you for the patch.

On Thu, Jun 22, 2023 at 11:21:28AM +0200, Geert Uytterhoeven wrote:
> Convert to managed IRQ handling, to simplify cleanup.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

> ---
>  drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> index 50fca18282c5cb5e..ece9aedde9b662d4 100644
> --- a/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> +++ b/drivers/gpu/drm/renesas/shmobile/shmob_drm_drv.c
> @@ -169,7 +169,6 @@ static int shmob_drm_remove(struct platform_device *pdev)
>  
>  	drm_dev_unregister(ddev);
>  	drm_kms_helper_poll_fini(ddev);
> -	free_irq(sdev->irq, ddev);
>  	drm_dev_put(ddev);
>  
>  	return 0;
> @@ -252,8 +251,8 @@ static int shmob_drm_probe(struct platform_device *pdev)
>  		goto err_modeset_cleanup;
>  	sdev->irq = ret;
>  
> -	ret = request_irq(sdev->irq, shmob_drm_irq, 0, ddev->driver->name,
> -			  ddev);
> +	ret = devm_request_irq(&pdev->dev, sdev->irq, shmob_drm_irq, 0,
> +			       ddev->driver->name, ddev);
>  	if (ret < 0) {
>  		dev_err(&pdev->dev, "failed to install IRQ handler\n");
>  		goto err_modeset_cleanup;
> @@ -265,14 +264,12 @@ static int shmob_drm_probe(struct platform_device *pdev)
>  	 */
>  	ret = drm_dev_register(ddev, 0);
>  	if (ret < 0)
> -		goto err_irq_uninstall;
> +		goto err_modeset_cleanup;
>  
>  	drm_fbdev_generic_setup(ddev, 16);
>  
>  	return 0;
>  
> -err_irq_uninstall:
> -	free_irq(sdev->irq, ddev);
>  err_modeset_cleanup:
>  	drm_kms_helper_poll_fini(ddev);
>  err_free_drm_dev:

-- 
Regards,

Laurent Pinchart



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