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author | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2010-02-17 14:24:46 +0100 |
commit | 7fb3a069bc5d3577409c2ae89f89cd264ff85816 (patch) | |
tree | 7fe3ba3b95faeecb01e4feafb9288ef4b523c6b3 /arch/arm/plat-omap/dmtimer.c | |
parent | 291186e049d7f8178ad31d43c38a53889f25d79e (diff) | |
parent | 9d3415a8cc76ff65c6602a121ac318432c5cd7ba (diff) | |
download | linux-7fb3a069bc5d3577409c2ae89f89cd264ff85816.tar.bz2 |
Merge branch 'fix/misc' into topic/misc
Conflicts:
sound/pci/hda/patch_realtek.c
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 64f407ee0f4e..08ccf8922520 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); |