diff options
| author | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-12-18 15:14:11 +0100 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2013-12-18 15:14:36 +0100 |
| commit | 98aefbe72ec6015f90fe045ed16c5cf755da283d (patch) | |
| tree | 35d12ac4d3ee7e3c12aa8825ecb490430d8e5030 /drivers/clocksource/sh_cmt.c | |
| parent | clocksource: bcm_kona_timer: Remove unused bcm_timer_ids (diff) | |
| parent | clocksource: sh_cmt: Add clk_prepare/unprepare support (diff) | |
| download | linux-98aefbe72ec6015f90fe045ed16c5cf755da283d.tar.xz linux-98aefbe72ec6015f90fe045ed16c5cf755da283d.zip | |
Merge branch 'clockevents/for-Simon-3.13-rc2' into clockevents/3.14
* clocksource: sh_cmt: Add clk_prepare/unprepare support
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Diffstat (limited to 'drivers/clocksource/sh_cmt.c')
| -rw-r--r-- | drivers/clocksource/sh_cmt.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/clocksource/sh_cmt.c b/drivers/clocksource/sh_cmt.c index c6186339dd52..0b1836a6c539 100644 --- a/drivers/clocksource/sh_cmt.c +++ b/drivers/clocksource/sh_cmt.c @@ -634,12 +634,18 @@ static int sh_cmt_clock_event_next(unsigned long delta, static void sh_cmt_clock_event_suspend(struct clock_event_device *ced) { - pm_genpd_syscore_poweroff(&ced_to_sh_cmt(ced)->pdev->dev); + struct sh_cmt_priv *p = ced_to_sh_cmt(ced); + + pm_genpd_syscore_poweroff(&p->pdev->dev); + clk_unprepare(p->clk); } static void sh_cmt_clock_event_resume(struct clock_event_device *ced) { - pm_genpd_syscore_poweron(&ced_to_sh_cmt(ced)->pdev->dev); + struct sh_cmt_priv *p = ced_to_sh_cmt(ced); + + clk_prepare(p->clk); + pm_genpd_syscore_poweron(&p->pdev->dev); } static void sh_cmt_register_clockevent(struct sh_cmt_priv *p, @@ -736,6 +742,10 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev) goto err2; } + ret = clk_prepare(p->clk); + if (ret < 0) + goto err3; + if (res2 && (resource_size(res2) == 4)) { /* assume both CMSTR and CMCSR to be 32-bit */ p->read_control = sh_cmt_read32; @@ -772,19 +782,21 @@ static int sh_cmt_setup(struct sh_cmt_priv *p, struct platform_device *pdev) cfg->clocksource_rating); if (ret) { dev_err(&p->pdev->dev, "registration failed\n"); - goto err3; + goto err4; } p->cs_enabled = false; ret = setup_irq(irq, &p->irqaction); if (ret) { dev_err(&p->pdev->dev, "failed to request irq %d\n", irq); - goto err3; + goto err4; } platform_set_drvdata(pdev, p); return 0; +err4: + clk_unprepare(p->clk); err3: clk_put(p->clk); err2: |