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-rw-r--r--drivers/clocksource/Kconfig1
-rw-r--r--drivers/clocksource/arm_arch_timer.c2
-rw-r--r--drivers/clocksource/arm_global_timer.c3
-rw-r--r--drivers/clocksource/bcm2835_timer.c4
-rw-r--r--drivers/clocksource/clksrc-dbx500-prcmu.c5
-rw-r--r--drivers/clocksource/clksrc-of.c4
-rw-r--r--drivers/clocksource/dw_apb_timer_of.c16
-rw-r--r--drivers/clocksource/em_sti.c2
-rw-r--r--drivers/clocksource/exynos_mct.c10
-rw-r--r--drivers/clocksource/mxs_timer.c4
-rw-r--r--drivers/clocksource/nomadik-mtu.c4
-rw-r--r--drivers/clocksource/samsung_pwm_timer.c4
-rw-r--r--drivers/clocksource/tegra20_timer.c8
-rw-r--r--drivers/clocksource/time-armada-370-xp.c4
-rw-r--r--drivers/clocksource/timer-prima2.c6
-rw-r--r--drivers/clocksource/vf_pit_timer.c4
-rw-r--r--drivers/clocksource/vt8500_timer.c2
17 files changed, 44 insertions, 39 deletions
diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
index 559d803..5e940f8 100644
--- a/drivers/clocksource/Kconfig
+++ b/drivers/clocksource/Kconfig
@@ -26,6 +26,7 @@ config DW_APB_TIMER_OF
config ARMADA_370_XP_TIMER
bool
+ select CLKSRC_OF
config ORION_TIMER
select CLKSRC_OF
diff --git a/drivers/clocksource/arm_arch_timer.c b/drivers/clocksource/arm_arch_timer.c
index 9338f1a..b94b0d4 100644
--- a/drivers/clocksource/arm_arch_timer.c
+++ b/drivers/clocksource/arm_arch_timer.c
@@ -405,7 +405,7 @@ static struct clocksource clocksource_counter = {
.rating = 400,
.read = arch_counter_read,
.mask = CLOCKSOURCE_MASK(56),
- .flags = CLOCK_SOURCE_IS_CONTINUOUS,
+ .flags = CLOCK_SOURCE_IS_CONTINUOUS | CLOCK_SOURCE_SUSPEND_NONSTOP,
};
static struct cyclecounter cyclecounter = {
diff --git a/drivers/clocksource/arm_global_timer.c b/drivers/clocksource/arm_global_timer.c
index b66c1f3..c639b1a 100644
--- a/drivers/clocksource/arm_global_timer.c
+++ b/drivers/clocksource/arm_global_timer.c
@@ -169,7 +169,8 @@ static int gt_clockevents_init(struct clock_event_device *clk)
int cpu = smp_processor_id();
clk->name = "arm_global_timer";
- clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT;
+ clk->features = CLOCK_EVT_FEAT_PERIODIC | CLOCK_EVT_FEAT_ONESHOT |
+ CLOCK_EVT_FEAT_PERCPU;
clk->set_mode = gt_clockevent_set_mode;
clk->set_next_event = gt_clockevent_set_next_event;
clk->cpumask = cpumask_of(cpu);
diff --git a/drivers/clocksource/bcm2835_timer.c b/drivers/clocksource/bcm2835_timer.c
index 07ea7ce..26ed331 100644
--- a/drivers/clocksource/bcm2835_timer.c
+++ b/drivers/clocksource/bcm2835_timer.c
@@ -49,7 +49,7 @@ struct bcm2835_timer {
static void __iomem *system_clock __read_mostly;
-static u32 notrace bcm2835_sched_read(void)
+static u64 notrace bcm2835_sched_read(void)
{
return readl_relaxed(system_clock);
}
@@ -110,7 +110,7 @@ static void __init bcm2835_timer_init(struct device_node *node)
panic("Can't read clock-frequency");
system_clock = base + REG_COUNTER_LO;
- setup_sched_clock(bcm2835_sched_read, 32, freq);
+ sched_clock_register(bcm2835_sched_read, 32, freq);
clocksource_mmio_init(base + REG_COUNTER_LO, node->name,
freq, 300, 32, clocksource_mmio_readl_up);
diff --git a/drivers/clocksource/clksrc-dbx500-prcmu.c b/drivers/clocksource/clksrc-dbx500-prcmu.c
index a9fd4ad..b375106 100644
--- a/drivers/clocksource/clksrc-dbx500-prcmu.c
+++ b/drivers/clocksource/clksrc-dbx500-prcmu.c
@@ -53,7 +53,7 @@ static struct clocksource clocksource_dbx500_prcmu = {
#ifdef CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK
-static u32 notrace dbx500_prcmu_sched_clock_read(void)
+static u64 notrace dbx500_prcmu_sched_clock_read(void)
{
if (unlikely(!clksrc_dbx500_timer_base))
return 0;
@@ -81,8 +81,7 @@ void __init clksrc_dbx500_prcmu_init(void __iomem *base)
clksrc_dbx500_timer_base + PRCMU_TIMER_REF);
}
#ifdef CONFIG_CLKSRC_DBX500_PRCMU_SCHED_CLOCK
- setup_sched_clock(dbx500_prcmu_sched_clock_read,
- 32, RATE_32K);
+ sched_clock_register(dbx500_prcmu_sched_clock_read, 32, RATE_32K);
#endif
clocksource_register_hz(&clocksource_dbx500_prcmu, RATE_32K);
}
diff --git a/drivers/clocksource/clksrc-of.c b/drivers/clocksource/clksrc-of.c
index 37f5325..35639cf4 100644
--- a/drivers/clocksource/clksrc-of.c
+++ b/drivers/clocksource/clksrc-of.c
@@ -30,7 +30,11 @@ void __init clocksource_of_init(void)
clocksource_of_init_fn init_func;
for_each_matching_node_and_match(np, __clksrc_of_table, &match) {
+ if (!of_device_is_available(np))
+ continue;
+
init_func = match->data;
init_func(np);
+ of_node_put(np);
}
}
diff --git a/drivers/clocksource/dw_apb_timer_of.c b/drivers/clocksource/dw_apb_timer_of.c
index 4cbae4f..45ba8ae 100644
--- a/drivers/clocksource/dw_apb_timer_of.c
+++ b/drivers/clocksource/dw_apb_timer_of.c
@@ -23,7 +23,7 @@
#include <linux/clk.h>
#include <linux/sched_clock.h>
-static void timer_get_base_and_rate(struct device_node *np,
+static void __init timer_get_base_and_rate(struct device_node *np,
void __iomem **base, u32 *rate)
{
struct clk *timer_clk;
@@ -55,11 +55,11 @@ static void timer_get_base_and_rate(struct device_node *np,
try_clock_freq:
if (of_property_read_u32(np, "clock-freq", rate) &&
- of_property_read_u32(np, "clock-frequency", rate))
+ of_property_read_u32(np, "clock-frequency", rate))
panic("No clock nor clock-frequency property for %s", np->name);
}
-static void add_clockevent(struct device_node *event_timer)
+static void __init add_clockevent(struct device_node *event_timer)
{
void __iomem *iobase;
struct dw_apb_clock_event_device *ced;
@@ -82,7 +82,7 @@ static void add_clockevent(struct device_node *event_timer)
static void __iomem *sched_io_base;
static u32 sched_rate;
-static void add_clocksource(struct device_node *source_timer)
+static void __init add_clocksource(struct device_node *source_timer)
{
void __iomem *iobase;
struct dw_apb_clocksource *cs;
@@ -106,7 +106,7 @@ static void add_clocksource(struct device_node *source_timer)
sched_rate = rate;
}
-static u32 read_sched_clock(void)
+static u64 read_sched_clock(void)
{
return __raw_readl(sched_io_base);
}
@@ -117,7 +117,7 @@ static const struct of_device_id sptimer_ids[] __initconst = {
{ /* Sentinel */ },
};
-static void init_sched_clock(void)
+static void __init init_sched_clock(void)
{
struct device_node *sched_timer;
@@ -128,7 +128,7 @@ static void init_sched_clock(void)
of_node_put(sched_timer);
}
- setup_sched_clock(read_sched_clock, 32, sched_rate);
+ sched_clock_register(read_sched_clock, 32, sched_rate);
}
static int num_called;
@@ -138,12 +138,10 @@ static void __init dw_apb_timer_init(struct device_node *timer)
case 0:
pr_debug("%s: found clockevent timer\n", __func__);
add_clockevent(timer);
- of_node_put(timer);
break;
case 1:
pr_debug("%s: found clocksource timer\n", __func__);
add_clocksource(timer);
- of_node_put(timer);
init_sched_clock();
break;
default:
diff --git a/drivers/clocksource/em_sti.c b/drivers/clocksource/em_sti.c
index b9c81b7..3a5909c 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;
diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c
index 5b34768..62b0de6 100644
--- a/drivers/clocksource/exynos_mct.c
+++ b/drivers/clocksource/exynos_mct.c
@@ -428,7 +428,6 @@ static int exynos4_local_timer_setup(struct clock_event_device *evt)
evt->irq);
return -EIO;
}
- irq_set_affinity(evt->irq, cpumask_of(cpu));
} else {
enable_percpu_irq(mct_irqs[MCT_L0_IRQ], 0);
}
@@ -449,6 +448,7 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
unsigned long action, void *hcpu)
{
struct mct_clock_event_device *mevt;
+ unsigned int cpu;
/*
* Grab cpu pointer in each case to avoid spurious
@@ -459,6 +459,12 @@ static int exynos4_mct_cpu_notify(struct notifier_block *self,
mevt = this_cpu_ptr(&percpu_mct_tick);
exynos4_local_timer_setup(&mevt->evt);
break;
+ case CPU_ONLINE:
+ cpu = (unsigned long)hcpu;
+ if (mct_int_type == MCT_INT_SPI)
+ irq_set_affinity(mct_irqs[MCT_L0_IRQ + cpu],
+ cpumask_of(cpu));
+ break;
case CPU_DYING:
mevt = this_cpu_ptr(&percpu_mct_tick);
exynos4_local_timer_stop(&mevt->evt);
@@ -500,6 +506,8 @@ static void __init exynos4_timer_resources(struct device_node *np, void __iomem
&percpu_mct_tick);
WARN(err, "MCT: can't request IRQ %d (%d)\n",
mct_irqs[MCT_L0_IRQ], err);
+ } else {
+ irq_set_affinity(mct_irqs[MCT_L0_IRQ], cpumask_of(0));
}
err = register_cpu_notifier(&exynos4_mct_cpu_nb);
diff --git a/drivers/clocksource/mxs_timer.c b/drivers/clocksource/mxs_timer.c
index 0f5e65f..445b68a 100644
--- a/drivers/clocksource/mxs_timer.c
+++ b/drivers/clocksource/mxs_timer.c
@@ -222,7 +222,7 @@ static struct clocksource clocksource_mxs = {
.flags = CLOCK_SOURCE_IS_CONTINUOUS,
};
-static u32 notrace mxs_read_sched_clock_v2(void)
+static u64 notrace mxs_read_sched_clock_v2(void)
{
return ~readl_relaxed(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1));
}
@@ -236,7 +236,7 @@ static int __init mxs_clocksource_init(struct clk *timer_clk)
else {
clocksource_mmio_init(mxs_timrot_base + HW_TIMROT_RUNNING_COUNTn(1),
"mxs_timer", c, 200, 32, clocksource_mmio_readl_down);
- setup_sched_clock(mxs_read_sched_clock_v2, 32, c);
+ sched_clock_register(mxs_read_sched_clock_v2, 32, c);
}
return 0;
diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c
index 1b74bea..ed7b73b 100644
--- a/drivers/clocksource/nomadik-mtu.c
+++ b/drivers/clocksource/nomadik-mtu.c
@@ -76,7 +76,7 @@ static struct delay_timer mtu_delay_timer;
* local implementation which uses the clocksource to get some
* better resolution when scheduling the kernel.
*/
-static u32 notrace nomadik_read_sched_clock(void)
+static u64 notrace nomadik_read_sched_clock(void)
{
if (unlikely(!mtu_base))
return 0;
@@ -231,7 +231,7 @@ static void __init __nmdk_timer_init(void __iomem *base, int irq,
"mtu_0");
#ifdef CONFIG_CLKSRC_NOMADIK_MTU_SCHED_CLOCK
- setup_sched_clock(nomadik_read_sched_clock, 32, rate);
+ sched_clock_register(nomadik_read_sched_clock, 32, rate);
#endif
/* Timer 1 is used for events, register irq and clockevents */
diff --git a/drivers/clocksource/samsung_pwm_timer.c b/drivers/clocksource/samsung_pwm_timer.c
index ab29476..85082e8 100644
--- a/drivers/clocksource/samsung_pwm_timer.c
+++ b/drivers/clocksource/samsung_pwm_timer.c
@@ -331,7 +331,7 @@ static struct clocksource samsung_clocksource = {
* this wraps around for now, since it is just a relative time
* stamp. (Inspired by U300 implementation.)
*/
-static u32 notrace samsung_read_sched_clock(void)
+static u64 notrace samsung_read_sched_clock(void)
{
return samsung_clocksource_read(NULL);
}
@@ -357,7 +357,7 @@ static void __init samsung_clocksource_init(void)
else
pwm.source_reg = pwm.base + pwm.source_id * 0x0c + 0x14;
- setup_sched_clock(samsung_read_sched_clock,
+ sched_clock_register(samsung_read_sched_clock,
pwm.variant.bits, clock_rate);
samsung_clocksource.mask = CLOCKSOURCE_MASK(pwm.variant.bits);
diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c
index 9396170..6428492 100644
--- a/drivers/clocksource/tegra20_timer.c
+++ b/drivers/clocksource/tegra20_timer.c
@@ -98,7 +98,7 @@ static struct clock_event_device tegra_clockevent = {
.set_mode = tegra_timer_set_mode,
};
-static u32 notrace tegra_read_sched_clock(void)
+static u64 notrace tegra_read_sched_clock(void)
{
return timer_readl(TIMERUS_CNTR_1US);
}
@@ -181,8 +181,6 @@ static void __init tegra20_init_timer(struct device_node *np)
rate = clk_get_rate(clk);
}
- of_node_put(np);
-
switch (rate) {
case 12000000:
timer_writel(0x000b, TIMERUS_USEC_CFG);
@@ -200,7 +198,7 @@ static void __init tegra20_init_timer(struct device_node *np)
WARN(1, "Unknown clock rate");
}
- setup_sched_clock(tegra_read_sched_clock, 32, 1000000);
+ sched_clock_register(tegra_read_sched_clock, 32, 1000000);
if (clocksource_mmio_init(timer_reg_base + TIMERUS_CNTR_1US,
"timer_us", 1000000, 300, 32, clocksource_mmio_readl_up)) {
@@ -241,8 +239,6 @@ static void __init tegra20_init_rtc(struct device_node *np)
else
clk_prepare_enable(clk);
- of_node_put(np);
-
register_persistent_clock(NULL, tegra_read_persistent_clock);
}
CLOCKSOURCE_OF_DECLARE(tegra20_rtc, "nvidia,tegra20-rtc", tegra20_init_rtc);
diff --git a/drivers/clocksource/time-armada-370-xp.c b/drivers/clocksource/time-armada-370-xp.c
index 0198504..d8e47e5 100644
--- a/drivers/clocksource/time-armada-370-xp.c
+++ b/drivers/clocksource/time-armada-370-xp.c
@@ -96,7 +96,7 @@ static void local_timer_ctrl_clrset(u32 clr, u32 set)
local_base + TIMER_CTRL_OFF);
}
-static u32 notrace armada_370_xp_read_sched_clock(void)
+static u64 notrace armada_370_xp_read_sched_clock(void)
{
return ~readl(timer_base + TIMER0_VAL_OFF);
}
@@ -258,7 +258,7 @@ static void __init armada_370_xp_timer_common_init(struct device_node *np)
/*
* Set scale and timer for sched_clock.
*/
- setup_sched_clock(armada_370_xp_read_sched_clock, 32, timer_clk);
+ sched_clock_register(armada_370_xp_read_sched_clock, 32, timer_clk);
/*
* Setup free-running clocksource timer (interrupts
diff --git a/drivers/clocksource/timer-prima2.c b/drivers/clocksource/timer-prima2.c
index ef3cfb2..8a492d3 100644
--- a/drivers/clocksource/timer-prima2.c
+++ b/drivers/clocksource/timer-prima2.c
@@ -165,9 +165,9 @@ static struct irqaction sirfsoc_timer_irq = {
};
/* Overwrite weak default sched_clock with more precise one */
-static u32 notrace sirfsoc_read_sched_clock(void)
+static u64 notrace sirfsoc_read_sched_clock(void)
{
- return (u32)(sirfsoc_timer_read(NULL) & 0xffffffff);
+ return sirfsoc_timer_read(NULL);
}
static void __init sirfsoc_clockevent_init(void)
@@ -206,7 +206,7 @@ static void __init sirfsoc_prima2_timer_init(struct device_node *np)
BUG_ON(clocksource_register_hz(&sirfsoc_clocksource, CLOCK_TICK_RATE));
- setup_sched_clock(sirfsoc_read_sched_clock, 32, CLOCK_TICK_RATE);
+ sched_clock_register(sirfsoc_read_sched_clock, 64, CLOCK_TICK_RATE);
BUG_ON(setup_irq(sirfsoc_timer_irq.irq, &sirfsoc_timer_irq));
diff --git a/drivers/clocksource/vf_pit_timer.c b/drivers/clocksource/vf_pit_timer.c
index 587e020..02821b0 100644
--- a/drivers/clocksource/vf_pit_timer.c
+++ b/drivers/clocksource/vf_pit_timer.c
@@ -52,7 +52,7 @@ static inline void pit_irq_acknowledge(void)
__raw_writel(PITTFLG_TIF, clkevt_base + PITTFLG);
}
-static unsigned int pit_read_sched_clock(void)
+static u64 pit_read_sched_clock(void)
{
return __raw_readl(clksrc_base + PITCVAL);
}
@@ -64,7 +64,7 @@ static int __init pit_clocksource_init(unsigned long rate)
__raw_writel(~0UL, clksrc_base + PITLDVAL);
__raw_writel(PITTCTRL_TEN, clksrc_base + PITTCTRL);
- setup_sched_clock(pit_read_sched_clock, 32, rate);
+ sched_clock_register(pit_read_sched_clock, 32, rate);
return clocksource_mmio_init(clksrc_base + PITCVAL, "vf-pit", rate,
300, 32, clocksource_mmio_readl_down);
}
diff --git a/drivers/clocksource/vt8500_timer.c b/drivers/clocksource/vt8500_timer.c
index 64f553f..ad3c0e8 100644
--- a/drivers/clocksource/vt8500_timer.c
+++ b/drivers/clocksource/vt8500_timer.c
@@ -137,14 +137,12 @@ static void __init vt8500_timer_init(struct device_node *np)
if (!regbase) {
pr_err("%s: Missing iobase description in Device Tree\n",
__func__);
- of_node_put(np);
return;
}
timer_irq = irq_of_parse_and_map(np, 0);
if (!timer_irq) {
pr_err("%s: Missing irq description in Device Tree\n",
__func__);
- of_node_put(np);
return;
}
generated by cgit v0.10.2 at 2024-11-09 11:26:07 (GMT)