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drm/etnaviv: iommuv1: remove map_lock
authorLucas Stach <l.stach@pengutronix.de>
Thu, 7 Sep 2017 13:41:38 +0000 (15:41 +0200)
committerLucas Stach <l.stach@pengutronix.de>
Tue, 10 Oct 2017 09:35:31 +0000 (11:35 +0200)
commit86666c54c801da7860f9d273b5e6fc30e210e219
tree3e1fbc380f4aa9503c9ae63863087fd7fafdbc89tree | snapshot
parentbd2442bc1b4ef3f27dda28edeeb85a8603115a21commit | diff
drm/etnaviv: iommuv1: remove map_lock

It wasn't protecting anything, as the single word writes used to
set up or tear down a translation are already inherently atomic,
so the spinlock is pure overhead.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-By: Wladimir J. van der Laan <laanwj@gmail.com>
drivers/gpu/drm/etnaviv/etnaviv_iommu.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git