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authorDeepak Nibade <dnibade@nvidia.com>2014-03-11 16:06:31 +0530
committerDeepak Nibade <dnibade@nvidia.com>2014-03-13 11:01:40 +0530
commit50a3a706c880500ec305e7af51bd5f2363a8cc44 (patch)
tree5048357e0f00ac220b671942e210d41d0c739a5c /drivers/clocksource
parent40a66a5c983a8bf93a8860bd9500bfea83411e08 (diff)
parent6969595f011b46b49c3f1b9e0bd7da27768c1fd9 (diff)
Merge branch 'linux-3.10.33' into dev-kernel-3.10
Bug 1456092 Change-Id: I3021247ec68a3c2dddd9e98cde13d70a45191d53 Signed-off-by: Deepak Nibade <dnibade@nvidia.com>
Diffstat (limited to 'drivers/clocksource')
-rw-r--r--drivers/clocksource/arm_arch_timer.c21
-rw-r--r--drivers/clocksource/dw_apb_timer_of.c2
-rw-r--r--drivers/clocksource/em_sti.c2
3 files changed, 6 insertions, 19 deletions
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 09fe4831e34d..044892e1ca74 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -188,27 +188,19 @@ u32 arch_timer_get_rate(void)
return arch_timer_rate;
}
-/*
- * Some external users of arch_timer_read_counter (e.g. sched_clock) may try to
- * call it before it has been initialised. Rather than incur a performance
- * penalty checking for initialisation, provide a default implementation that
- * won't lead to time appearing to jump backwards.
- */
-static u64 arch_timer_read_zero(void)
+u64 arch_timer_read_counter(void)
{
- return 0;
+ return arch_counter_get_cntvct();
}
-u64 (*arch_timer_read_counter)(void) = arch_timer_read_zero;
-
static cycle_t arch_counter_read(struct clocksource *cs)
{
- return arch_timer_read_counter();
+ return arch_counter_get_cntvct();
}
static cycle_t arch_counter_read_cc(const struct cyclecounter *cc)
{
- return arch_timer_read_counter();
+ return arch_counter_get_cntvct();
}
static struct clocksource clocksource_counter = {
@@ -381,11 +373,6 @@ static void __init arch_timer_init(struct device_node *np)
}
}
- if (arch_timer_use_virtual)
- arch_timer_read_counter = arch_counter_get_cntvct;
- else
- arch_timer_read_counter = arch_counter_get_cntpct;
-
arch_timer_register();
arch_timer_arch_init();
}
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 6b25a956218f..1038ec88e568 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -77,7 +77,7 @@ static void __iomem *sched_io_base;
static u32 read_sched_clock(void)
{
- return __raw_readl(sched_io_base);
+ return ~__raw_readl(sched_io_base);
}
static const struct of_device_id sptimer_ids[] __initconst = {
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index 4329a29a5310..314184932293 100644
--- a/drivers/clocksource/em_sti.c
+++ b/drivers/clocksource/em_sti.c
@@ -301,7 +301,7 @@ static void em_sti_register_clockevent(struct em_sti_priv *p)
ced->name = dev_name(&p->pdev->dev);
ced->features = CLOCK_EVT_FEAT_ONESHOT;
ced->rating = 200;
- ced->cpumask = cpumask_of(0);
+ ced->cpumask = cpu_possible_mask;
ced->set_next_event = em_sti_clock_event_next;
ced->set_mode = em_sti_clock_event_mode;