From dac94d9ec98517e8fe3f980e38f29ea3ac712168 Mon Sep 17 00:00:00 2001 From: David Brownell Date: Tue, 22 Sep 2009 16:46:31 -0700 Subject: rtc: at91rm9200 fixes Fix two new-ish runtime warnings in the at91rm9200 (etc) RTC: Platform driver 'at91_rtc' needs updating - please use dev_pm_ops ... by just switching IRQ 1/at91_rtc: IRQF_DISABLED is not guaranteed on shared IRQs ... no longer needed now that rtc_update_irq() changed Signed-off-by: David Brownell Acked-by: Alessandro Zummo Cc: Andrew Victor Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rtc/rtc-at91rm9200.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) (limited to 'drivers/rtc/rtc-at91rm9200.c') diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c index b5bf93706913..bc8bbca9a2e2 100644 --- a/drivers/rtc/rtc-at91rm9200.c +++ b/drivers/rtc/rtc-at91rm9200.c @@ -289,7 +289,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev) AT91_RTC_CALEV); ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt, - IRQF_DISABLED | IRQF_SHARED, + IRQF_SHARED, "at91_rtc", pdev); if (ret) { printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n", @@ -340,7 +340,7 @@ static int __exit at91_rtc_remove(struct platform_device *pdev) static u32 at91_rtc_imr; -static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) +static int at91_rtc_suspend(struct device *dev) { /* this IRQ is shared with DBGU and other hardware which isn't * necessarily doing PM like we are... @@ -348,7 +348,7 @@ static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) at91_rtc_imr = at91_sys_read(AT91_RTC_IMR) & (AT91_RTC_ALARM|AT91_RTC_SECEV); if (at91_rtc_imr) { - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(dev)) enable_irq_wake(AT91_ID_SYS); else at91_sys_write(AT91_RTC_IDR, at91_rtc_imr); @@ -356,28 +356,34 @@ static int at91_rtc_suspend(struct platform_device *pdev, pm_message_t state) return 0; } -static int at91_rtc_resume(struct platform_device *pdev) +static int at91_rtc_resume(struct device *dev) { if (at91_rtc_imr) { - if (device_may_wakeup(&pdev->dev)) + if (device_may_wakeup(dev)) disable_irq_wake(AT91_ID_SYS); else at91_sys_write(AT91_RTC_IER, at91_rtc_imr); } return 0; } + +static const struct dev_pm_ops at91_rtc_pm = { + .suspend = at91_rtc_suspend, + .resume = at91_rtc_resume, +}; + +#define at91_rtc_pm_ptr &at91_rtc_pm + #else -#define at91_rtc_suspend NULL -#define at91_rtc_resume NULL +#define at91_rtc_pm_ptr NULL #endif static struct platform_driver at91_rtc_driver = { .remove = __exit_p(at91_rtc_remove), - .suspend = at91_rtc_suspend, - .resume = at91_rtc_resume, .driver = { .name = "at91_rtc", .owner = THIS_MODULE, + .pm = at91_rtc_pm_ptr, }, }; -- cgit v1.2.1