diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 08:48:25 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-03-01 08:48:25 -0800 |
commit | e56425b135a8892d1e71ad5bb605d12c10efeb32 (patch) | |
tree | 9bb899e1b6b45a125bcc21554f3673878d932035 /drivers/clocksource/sh_cmt.c | |
parent | 786f8ba2e9449a7f01ec6bc35838d0a335921061 (diff) | |
parent | 6622e670b26fbaa9c4ae7772a4d2d0abd3414b51 (diff) |
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
posix-timers.c: Don't export local functions
clocksource: start CMT at clocksource resume
clocksource: add suspend callback
clocksource: add argument to resume callback
ntp: Cleanup xtime references in ntp.c
ntp: Make time_esterror and time_maxerror static
Diffstat (limited to 'drivers/clocksource/sh_cmt.c')
-rw-r--r-- | drivers/clocksource/sh_cmt.c | 35 |
1 files changed, 7 insertions, 28 deletions
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index 6fe4f770118..578595c4425 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -40,7 +40,6 @@ struct sh_cmt_priv { struct platform_device *pdev; unsigned long flags; - unsigned long flags_suspend; unsigned long match_value; unsigned long next_match_value; unsigned long max_match_value; @@ -432,6 +431,11 @@ static void sh_cmt_clocksource_disable(struct clocksource *cs) sh_cmt_stop(cs_to_sh_cmt(cs), FLAG_CLOCKSOURCE); } +static void sh_cmt_clocksource_resume(struct clocksource *cs) +{ + sh_cmt_start(cs_to_sh_cmt(cs), FLAG_CLOCKSOURCE); +} + static int sh_cmt_register_clocksource(struct sh_cmt_priv *p, char *name, unsigned long rating) { @@ -442,6 +446,8 @@ static int sh_cmt_register_clocksource(struct sh_cmt_priv *p, cs->read = sh_cmt_clocksource_read; cs->enable = sh_cmt_clocksource_enable; cs->disable = sh_cmt_clocksource_disable; + cs->suspend = sh_cmt_clocksource_disable; + cs->resume = sh_cmt_clocksource_resume; cs->mask = CLOCKSOURCE_MASK(sizeof(unsigned long) * 8); cs->flags = CLOCK_SOURCE_IS_CONTINUOUS; pr_info("sh_cmt: %s used as clock source\n", cs->name); @@ -674,38 +680,11 @@ static int __devexit sh_cmt_remove(struct platform_device *pdev) return -EBUSY; /* cannot unregister clockevent and clocksource */ } -static int sh_cmt_suspend(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct sh_cmt_priv *p = platform_get_drvdata(pdev); - - /* save flag state and stop CMT channel */ - p->flags_suspend = p->flags; - sh_cmt_stop(p, p->flags); - return 0; -} - -static int sh_cmt_resume(struct device *dev) -{ - struct platform_device *pdev = to_platform_device(dev); - struct sh_cmt_priv *p = platform_get_drvdata(pdev); - - /* start CMT channel from saved state */ - sh_cmt_start(p, p->flags_suspend); - return 0; -} - -static struct dev_pm_ops sh_cmt_dev_pm_ops = { - .suspend = sh_cmt_suspend, - .resume = sh_cmt_resume, -}; - static struct platform_driver sh_cmt_device_driver = { .probe = sh_cmt_probe, .remove = __devexit_p(sh_cmt_remove), .driver = { .name = "sh_cmt", - .pm = &sh_cmt_dev_pm_ops, } }; |