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

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Message-Id: <1459864232-25033-1-git-send-email-john@metanate.com>
Date:	Tue,  5 Apr 2016 14:50:31 +0100
From:	John Keeping <john@...anate.com>
To:	Mark Yao <mark.yao@...k-chips.com>
Cc:	John Keeping <john@...anate.com>, 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: [PATCH 1/2] drm/rockchip: remove redundant statement

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;
 
-- 
2.8.0.rc4.238.g874082a