diff options
| author | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 16:20:34 -0800 |
|---|---|---|
| committer | H. Peter Anvin <hpa@zytor.com> | 2010-02-22 16:20:34 -0800 |
| commit | d02e30c31c57683a66ed68a1bcff900ca78f6d56 (patch) | |
| tree | c3ce99a00061bcc1199b50fa838147d876c56717 /arch/arm/plat-omap/dmtimer.c | |
| parent | 0fdc7a8022c3eaff6b5ee27ffb9e913e5e58d8e9 (diff) | |
| parent | aef55d4922e62a0d887e60d87319f3718aec6ced (diff) | |
Merge branch 'x86/irq' into x86/apic
Merge reason:
Conflicts in arch/x86/kernel/apic/io_apic.c
Resolved Conflicts:
arch/x86/kernel/apic/io_apic.c
Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/arm/plat-omap/dmtimer.c')
| -rw-r--r-- | arch/arm/plat-omap/dmtimer.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c index 64f407ee0f4..08ccf892252 100644 --- a/arch/arm/plat-omap/dmtimer.c +++ b/arch/arm/plat-omap/dmtimer.c @@ -551,6 +551,19 @@ void omap_dm_timer_stop(struct omap_dm_timer *timer) if (l & OMAP_TIMER_CTRL_ST) { l &= ~0x1; omap_dm_timer_write_reg(timer, OMAP_TIMER_CTRL_REG, l); +#if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3) || \ + defined(CONFIG_ARCH_OMAP4) + /* Readback to make sure write has completed */ + omap_dm_timer_read_reg(timer, OMAP_TIMER_CTRL_REG); + /* + * Wait for functional clock period x 3.5 to make sure that + * timer is stopped + */ + udelay(3500000 / clk_get_rate(timer->fclk) + 1); + /* Ack possibly pending interrupt */ + omap_dm_timer_write_reg(timer, OMAP_TIMER_STAT_REG, + OMAP_TIMER_INT_OVERFLOW); +#endif } } EXPORT_SYMBOL_GPL(omap_dm_timer_stop); |