From: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Thu, 4 Jul 2013 21:35:25 +0000 (+0200)
Subject: drm/i915: irq handlers don't need interrupt-safe spinlocks
X-Git-Tag: v3.12-rc1~136^2~165^2~11
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d0ecd7e221c87514b1eca84b11fee1e262f5d816;p=pandora-kernel.git

drm/i915: irq handlers don't need interrupt-safe spinlocks

Since we only have one interrupt handler and interrupt handlers are
non-reentrant.

To drive the point really home give them all an _irq_handler suffix.

This is a tiny micro-optimization but even more important it makes it
clearer what locking we actually need. And in case someone screws this
up: lockdep will catch hardirq vs. other context deadlocks.

v2: Fix up compile fail.

Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ben Widawsky <ben@bwidawsk.net>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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