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(parent: 15a4ed3) | patch
clocksource: sh_mtu2: Replace global spinlock with a per-device spinlock
authorLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tue, 4 Mar 2014 14:25:56 +0000 (15:25 +0100)
committerStephane Desneux <stephane.desneux@open.eurogiciel.org>
Wed, 4 Feb 2015 10:15:29 +0000 (11:15 +0100)
commitc00dd2f602225ba13bf55ac3d4ff550949df880a
tree9f473b9e39186bcb4cbd2c215af8faa501b4cc54tree | snapshot
parent15a4ed3d2f1d6f70dbf465e6cdbe856f412432b0commit | diff
clocksource: sh_mtu2: Replace global spinlock with a per-device spinlock

The global spinlock is used to protect the shared start/stop register.
Now that all MTU2 channels are handled by a single device instance, use
a per-device spinlock.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa@sang-engineering.com>
(cherry picked from commit 8b2463d8cae2dda0c98ab5a15f25a0350a0e998d)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
drivers/clocksource/sh_mtu2.c diff | blob | history
Domain: System / Kernel;