linux-kernel - Re: [PATCH 1/2] drm/rockchip: remove redundant statement

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Date:	Mon, 11 Apr 2016 10:52:33 +0800
From:	Mark yao <mark.yao@...k-chips.com>
To:	John Keeping <john@...anate.com>
CC:	Heiko Stuebner <heiko@...ech.de>, dri-devel@...ts.freedesktop.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] drm/rockchip: remove redundant statement

On 2016年04月05日 21:50, John Keeping wrote:
> The call to arm_iommu_detach_device() on the previous line sets
> dev->archdata.mapping to NULL so this call is always a no-op.
>
> Signed-off-by: John Keeping <john@...anate.com>
> ---
>   drivers/gpu/drm/rockchip/rockchip_drm_drv.c | 1 -
>   1 file changed, 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> index f556a8f..7695c79 100644
> --- a/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> +++ b/drivers/gpu/drm/rockchip/rockchip_drm_drv.c
> @@ -244,7 +244,6 @@ static int rockchip_drm_unload(struct drm_device *drm_dev)
>   	drm_kms_helper_poll_fini(drm_dev);
>   	component_unbind_all(dev, drm_dev);
>   	arm_iommu_detach_device(dev);
> -	arm_iommu_release_mapping(dev->archdata.mapping);
>   	drm_mode_config_cleanup(drm_dev);
>   	drm_dev->dev_private = NULL;
>   
Applied to my drm-fixes

Thanks.:-)

-- 
Ｍark Yao