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author | Dave Airlie <airlied@redhat.com> | 2015-04-20 11:32:26 +1000 |
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committer | Dave Airlie <airlied@redhat.com> | 2015-04-20 13:05:20 +1000 |
commit | 2c33ce009ca2389dbf0535d0672214d09738e35e (patch) | |
tree | 6186a6458c3c160385d794a23eaf07c786a9e61b /drivers/rtc/rtc-omap.c | |
parent | cec32a47010647e8b0603726ebb75b990a4057a4 (diff) | |
parent | 09d51602cf84a1264946711dd4ea0dddbac599a1 (diff) | |
download | linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.gz linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.tar.bz2 linux-stable-2c33ce009ca2389dbf0535d0672214d09738e35e.zip |
Merge Linus master into drm-next
The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.
I've included the patch into the merge to fix the build.
Signed-off-by: Dave Airlie <airlied@redhat.com>
Diffstat (limited to 'drivers/rtc/rtc-omap.c')
-rw-r--r-- | drivers/rtc/rtc-omap.c | 68 |
1 files changed, 55 insertions, 13 deletions
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c index 8e5851aa4369..8b6355ffaff9 100644 --- a/drivers/rtc/rtc-omap.c +++ b/drivers/rtc/rtc-omap.c @@ -118,12 +118,15 @@ #define KICK0_VALUE 0x83e70b13 #define KICK1_VALUE 0x95a4f1e0 +struct omap_rtc; + struct omap_rtc_device_type { bool has_32kclk_en; - bool has_kicker; bool has_irqwakeen; bool has_pmic_mode; bool has_power_up_reset; + void (*lock)(struct omap_rtc *rtc); + void (*unlock)(struct omap_rtc *rtc); }; struct omap_rtc { @@ -156,6 +159,26 @@ static inline void rtc_writel(struct omap_rtc *rtc, unsigned int reg, u32 val) writel(val, rtc->base + reg); } +static void am3352_rtc_unlock(struct omap_rtc *rtc) +{ + rtc_writel(rtc, OMAP_RTC_KICK0_REG, KICK0_VALUE); + rtc_writel(rtc, OMAP_RTC_KICK1_REG, KICK1_VALUE); +} + +static void am3352_rtc_lock(struct omap_rtc *rtc) +{ + rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0); + rtc_writel(rtc, OMAP_RTC_KICK1_REG, 0); +} + +static void default_rtc_unlock(struct omap_rtc *rtc) +{ +} + +static void default_rtc_lock(struct omap_rtc *rtc) +{ +} + /* * We rely on the rtc framework to handle locking (rtc->ops_lock), * so the only other requirement is that register accesses which @@ -186,7 +209,9 @@ static irqreturn_t rtc_irq(int irq, void *dev_id) /* alarm irq? */ if (irq_data & OMAP_RTC_STATUS_ALARM) { + rtc->type->unlock(rtc); rtc_write(rtc, OMAP_RTC_STATUS_REG, OMAP_RTC_STATUS_ALARM); + rtc->type->lock(rtc); events |= RTC_IRQF | RTC_AF; } @@ -218,9 +243,11 @@ static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled) irqwake_reg &= ~OMAP_RTC_IRQWAKEEN_ALARM_WAKEEN; } rtc_wait_not_busy(rtc); + rtc->type->unlock(rtc); rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg); if (rtc->type->has_irqwakeen) rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg); + rtc->type->lock(rtc); local_irq_enable(); return 0; @@ -293,12 +320,14 @@ static int omap_rtc_set_time(struct device *dev, struct rtc_time *tm) local_irq_disable(); rtc_wait_not_busy(rtc); + rtc->type->unlock(rtc); rtc_write(rtc, OMAP_RTC_YEARS_REG, tm->tm_year); rtc_write(rtc, OMAP_RTC_MONTHS_REG, tm->tm_mon); rtc_write(rtc, OMAP_RTC_DAYS_REG, tm->tm_mday); rtc_write(rtc, OMAP_RTC_HOURS_REG, tm->tm_hour); rtc_write(rtc, OMAP_RTC_MINUTES_REG, tm->tm_min); rtc_write(rtc, OMAP_RTC_SECONDS_REG, tm->tm_sec); + rtc->type->lock(rtc); local_irq_enable(); @@ -341,6 +370,7 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) local_irq_disable(); rtc_wait_not_busy(rtc); + rtc->type->unlock(rtc); rtc_write(rtc, OMAP_RTC_ALARM_YEARS_REG, alm->time.tm_year); rtc_write(rtc, OMAP_RTC_ALARM_MONTHS_REG, alm->time.tm_mon); rtc_write(rtc, OMAP_RTC_ALARM_DAYS_REG, alm->time.tm_mday); @@ -362,6 +392,7 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm) rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, reg); if (rtc->type->has_irqwakeen) rtc_write(rtc, OMAP_RTC_IRQWAKEEN, irqwake_reg); + rtc->type->lock(rtc); local_irq_enable(); @@ -391,6 +422,7 @@ static void omap_rtc_power_off(void) unsigned long now; u32 val; + rtc->type->unlock(rtc); /* enable pmic_power_en control */ val = rtc_readl(rtc, OMAP_RTC_PMIC_REG); rtc_writel(rtc, OMAP_RTC_PMIC_REG, val | OMAP_RTC_PMIC_POWER_EN_EN); @@ -423,6 +455,7 @@ static void omap_rtc_power_off(void) val = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG); rtc_writel(rtc, OMAP_RTC_INTERRUPTS_REG, val | OMAP_RTC_INTERRUPTS_IT_ALARM2); + rtc->type->lock(rtc); /* * Wait for alarm to trigger (within two seconds) and external PMIC to @@ -442,17 +475,21 @@ static struct rtc_class_ops omap_rtc_ops = { static const struct omap_rtc_device_type omap_rtc_default_type = { .has_power_up_reset = true, + .lock = default_rtc_lock, + .unlock = default_rtc_unlock, }; static const struct omap_rtc_device_type omap_rtc_am3352_type = { .has_32kclk_en = true, - .has_kicker = true, .has_irqwakeen = true, .has_pmic_mode = true, + .lock = am3352_rtc_lock, + .unlock = am3352_rtc_unlock, }; static const struct omap_rtc_device_type omap_rtc_da830_type = { - .has_kicker = true, + .lock = am3352_rtc_lock, + .unlock = am3352_rtc_unlock, }; static const struct platform_device_id omap_rtc_id_table[] = { @@ -484,7 +521,7 @@ static const struct of_device_id omap_rtc_of_match[] = { }; MODULE_DEVICE_TABLE(of, omap_rtc_of_match); -static int __init omap_rtc_probe(struct platform_device *pdev) +static int omap_rtc_probe(struct platform_device *pdev) { struct omap_rtc *rtc; struct resource *res; @@ -527,10 +564,7 @@ static int __init omap_rtc_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); pm_runtime_get_sync(&pdev->dev); - if (rtc->type->has_kicker) { - rtc_writel(rtc, OMAP_RTC_KICK0_REG, KICK0_VALUE); - rtc_writel(rtc, OMAP_RTC_KICK1_REG, KICK1_VALUE); - } + rtc->type->unlock(rtc); /* * disable interrupts @@ -593,6 +627,8 @@ static int __init omap_rtc_probe(struct platform_device *pdev) if (reg != new_ctrl) rtc_write(rtc, OMAP_RTC_CTRL_REG, new_ctrl); + rtc->type->lock(rtc); + device_init_wakeup(&pdev->dev, true); rtc->rtc = devm_rtc_device_register(&pdev->dev, pdev->name, @@ -626,8 +662,7 @@ static int __init omap_rtc_probe(struct platform_device *pdev) err: device_init_wakeup(&pdev->dev, false); - if (rtc->type->has_kicker) - rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0); + rtc->type->lock(rtc); pm_runtime_put_sync(&pdev->dev); pm_runtime_disable(&pdev->dev); @@ -646,11 +681,11 @@ static int __exit omap_rtc_remove(struct platform_device *pdev) device_init_wakeup(&pdev->dev, 0); + rtc->type->unlock(rtc); /* leave rtc running, but disable irqs */ rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0); - if (rtc->type->has_kicker) - rtc_writel(rtc, OMAP_RTC_KICK0_REG, 0); + rtc->type->lock(rtc); /* Disable the clock/module */ pm_runtime_put_sync(&pdev->dev); @@ -666,6 +701,7 @@ static int omap_rtc_suspend(struct device *dev) rtc->interrupts_reg = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG); + rtc->type->unlock(rtc); /* * FIXME: the RTC alarm is not currently acting as a wakeup event * source on some platforms, and in fact this enable() call is just @@ -675,6 +711,7 @@ static int omap_rtc_suspend(struct device *dev) enable_irq_wake(rtc->irq_alarm); else rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, 0); + rtc->type->lock(rtc); /* Disable the clock/module */ pm_runtime_put_sync(dev); @@ -689,10 +726,12 @@ static int omap_rtc_resume(struct device *dev) /* Enable the clock/module so that we can access the registers */ pm_runtime_get_sync(dev); + rtc->type->unlock(rtc); if (device_may_wakeup(dev)) disable_irq_wake(rtc->irq_alarm); else rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, rtc->interrupts_reg); + rtc->type->lock(rtc); return 0; } @@ -709,12 +748,15 @@ static void omap_rtc_shutdown(struct platform_device *pdev) * Keep the ALARM interrupt enabled to allow the system to power up on * alarm events. */ + rtc->type->unlock(rtc); mask = rtc_read(rtc, OMAP_RTC_INTERRUPTS_REG); mask &= OMAP_RTC_INTERRUPTS_IT_ALARM; rtc_write(rtc, OMAP_RTC_INTERRUPTS_REG, mask); + rtc->type->lock(rtc); } static struct platform_driver omap_rtc_driver = { + .probe = omap_rtc_probe, .remove = __exit_p(omap_rtc_remove), .shutdown = omap_rtc_shutdown, .driver = { @@ -725,7 +767,7 @@ static struct platform_driver omap_rtc_driver = { .id_table = omap_rtc_id_table, }; -module_platform_driver_probe(omap_rtc_driver, omap_rtc_probe); +module_platform_driver(omap_rtc_driver); MODULE_ALIAS("platform:omap_rtc"); MODULE_AUTHOR("George G. Davis (and others)"); |