From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Wed, 28 Aug 2013 13:02:37 +0000 (+0200)
Subject: drm/irq: simplify irq checks in drm_wait_vblank
X-Git-Tag: omap-for-v3.16/fixes-against-rc1~44^2~59^2~16
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4984979b9b9025a1cb9a9bea089d31a3e01ccff1;p=pandora-kernel.git

drm/irq: simplify irq checks in drm_wait_vblank

Checking for both an irq number _and_ whether it's enabled is
redundant. Originally I've thought the drm_dev_to_irq call would break
drivers which do their own irq checking, but those shouldn't have
DRIVER_HAVE_IRQ set as Thierry Reding pointed out. But such drivers
already need to set dev->irq_enabled for other reasons, so we might as
well ditch that check, too.

v2: Also drop the HAVE_IRQ check.

Cc: Thierry Reding <thierry.reding@gmail.com>
Reviewed-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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