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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-04-18 15:52:50 -0400
commit681e4a5e13c1c8315694eb4f44e0cdd84c9082d2 (patch)
tree699f14527c118859026e8ce0214e689d0b9c88cb /arch/arm/mach-tegra/timer.c
parentb960d6c43a63ebd2d8518b328da3816b833ee8cc (diff)
parentc104f1fa1ecf4ee0fc06e31b1f77630b2551be81 (diff)
Merge commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81' into stable/for-linus-3.4
* commit 'c104f1fa1ecf4ee0fc06e31b1f77630b2551be81': (14566 commits) cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS sparc64: Eliminate obsolete __handle_softirq() function sparc64: Fix bootup crash on sun4v. kconfig: delete last traces of __enabled_ from autoconf.h Revert "kconfig: fix __enabled_ macros definition for invisible and un-selected symbols" kconfig: fix IS_ENABLED to not require all options to be defined irq_domain: fix type mismatch in debugfs output format staging: android: fix mem leaks in __persistent_ram_init() staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl() staging: iio: hmc5843: Fix crash in probe function. panic: fix stack dump print on direct call to panic() drivers/rtc/rtc-pl031.c: enable clock on all ST variants Revert "mm: vmscan: fix misused nr_reclaimed in shrink_mem_cgroup_zone()" hugetlb: fix race condition in hugetlb_fault() drivers/rtc/rtc-twl.c: use static register while reading time drivers/rtc/rtc-s3c.c: add placeholder for driver private data drivers/rtc/rtc-s3c.c: fix compilation error MAINTAINERS: add PCDP console maintainer memcg: do not open code accesses to res_counter members drivers/rtc/rtc-efi.c: fix section mismatch warning ...
Diffstat (limited to 'arch/arm/mach-tegra/timer.c')
-rw-r--r--arch/arm/mach-tegra/timer.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/arch/arm/mach-tegra/timer.c b/arch/arm/mach-tegra/timer.c
index 1d1acda4f3e0..1eed8d4a80ef 100644
--- a/arch/arm/mach-tegra/timer.c
+++ b/arch/arm/mach-tegra/timer.c
@@ -28,7 +28,7 @@
#include <linux/io.h>
#include <asm/mach/time.h>
-#include <asm/localtimer.h>
+#include <asm/smp_twd.h>
#include <asm/sched_clock.h>
#include <mach/iomap.h>
@@ -162,6 +162,21 @@ static struct irqaction tegra_timer_irq = {
.irq = INT_TMR3,
};
+#ifdef CONFIG_HAVE_ARM_TWD
+static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
+ TEGRA_ARM_PERIF_BASE + 0x600,
+ IRQ_LOCALTIMER);
+
+static void __init tegra_twd_init(void)
+{
+ int err = twd_local_timer_register(&twd_local_timer);
+ if (err)
+ pr_err("twd_local_timer_register failed %d\n", err);
+}
+#else
+#define tegra_twd_init() do {} while(0)
+#endif
+
static void __init tegra_init_timer(void)
{
struct clk *clk;
@@ -188,10 +203,6 @@ static void __init tegra_init_timer(void)
else
clk_enable(clk);
-#ifdef CONFIG_HAVE_ARM_TWD
- twd_base = IO_ADDRESS(TEGRA_ARM_PERIF_BASE + 0x600);
-#endif
-
switch (rate) {
case 12000000:
timer_writel(0x000b, TIMERUS_USEC_CFG);
@@ -231,6 +242,7 @@ static void __init tegra_init_timer(void)
tegra_clockevent.cpumask = cpu_all_mask;
tegra_clockevent.irq = tegra_timer_irq.irq;
clockevents_register_device(&tegra_clockevent);
+ tegra_twd_init();
}
struct sys_timer tegra_timer = {