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authorJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-11 10:41:07 +0300
committerJosé Pekkarinen <jose.pekkarinen@nokia.com>2016-04-13 08:17:18 +0300
commite09b41010ba33a20a87472ee821fa407a5b8da36 (patch)
treed10dc367189862e7ca5c592f033dc3726e1df4e3 /kernel/drivers/clocksource/sh_mtu2.c
parentf93b97fd65072de626c074dbe099a1fff05ce060 (diff)
These changes are the raw update to linux-4.4.6-rt14. Kernel sources
are taken from kernel.org, and rt patch from the rt wiki download page. During the rebasing, the following patch collided: Force tick interrupt and get rid of softirq magic(I70131fb85). Collisions have been removed because its logic was found on the source already. Change-Id: I7f57a4081d9deaa0d9ccfc41a6c8daccdee3b769 Signed-off-by: José Pekkarinen <jose.pekkarinen@nokia.com>
Diffstat (limited to 'kernel/drivers/clocksource/sh_mtu2.c')
-rw-r--r--kernel/drivers/clocksource/sh_mtu2.c44
1 files changed, 18 insertions, 26 deletions
diff --git a/kernel/drivers/clocksource/sh_mtu2.c b/kernel/drivers/clocksource/sh_mtu2.c
index 3d88698cf..53aa7e92a 100644
--- a/kernel/drivers/clocksource/sh_mtu2.c
+++ b/kernel/drivers/clocksource/sh_mtu2.c
@@ -276,36 +276,27 @@ static struct sh_mtu2_channel *ced_to_sh_mtu2(struct clock_event_device *ced)
return container_of(ced, struct sh_mtu2_channel, ced);
}
-static void sh_mtu2_clock_event_mode(enum clock_event_mode mode,
- struct clock_event_device *ced)
+static int sh_mtu2_clock_event_shutdown(struct clock_event_device *ced)
{
struct sh_mtu2_channel *ch = ced_to_sh_mtu2(ced);
- int disabled = 0;
- /* deal with old setting first */
- switch (ced->mode) {
- case CLOCK_EVT_MODE_PERIODIC:
+ if (clockevent_state_periodic(ced))
sh_mtu2_disable(ch);
- disabled = 1;
- break;
- default:
- break;
- }
- switch (mode) {
- case CLOCK_EVT_MODE_PERIODIC:
- dev_info(&ch->mtu->pdev->dev,
- "ch%u: used for periodic clock events\n", ch->index);
- sh_mtu2_enable(ch);
- break;
- case CLOCK_EVT_MODE_UNUSED:
- if (!disabled)
- sh_mtu2_disable(ch);
- break;
- case CLOCK_EVT_MODE_SHUTDOWN:
- default:
- break;
- }
+ return 0;
+}
+
+static int sh_mtu2_clock_event_set_periodic(struct clock_event_device *ced)
+{
+ struct sh_mtu2_channel *ch = ced_to_sh_mtu2(ced);
+
+ if (clockevent_state_periodic(ced))
+ sh_mtu2_disable(ch);
+
+ dev_info(&ch->mtu->pdev->dev, "ch%u: used for periodic clock events\n",
+ ch->index);
+ sh_mtu2_enable(ch);
+ return 0;
}
static void sh_mtu2_clock_event_suspend(struct clock_event_device *ced)
@@ -327,7 +318,8 @@ static void sh_mtu2_register_clockevent(struct sh_mtu2_channel *ch,
ced->features = CLOCK_EVT_FEAT_PERIODIC;
ced->rating = 200;
ced->cpumask = cpu_possible_mask;
- ced->set_mode = sh_mtu2_clock_event_mode;
+ ced->set_state_shutdown = sh_mtu2_clock_event_shutdown;
+ ced->set_state_periodic = sh_mtu2_clock_event_set_periodic;
ced->suspend = sh_mtu2_clock_event_suspend;
ced->resume = sh_mtu2_clock_event_resume;