diff options
| author | Jamie Lenehan <lenehan@twibble.org> | 2006-12-07 09:23:50 +0100 |
|---|---|---|
| committer | Paul Mundt <lethal@linux-sh.org> | 2006-12-12 00:42:07 +0100 |
| commit | 31ccb081ec6c7eedfd7e88a48365c67ce44ecb92 (patch) | |
| tree | 4aec69a007bb8097ca20364b0143d1af4660bd25 /drivers/rtc/rtc-sh.c | |
| parent | sh: register rtc resources for sh775x. (diff) | |
| download | linux-31ccb081ec6c7eedfd7e88a48365c67ce44ecb92.tar.xz linux-31ccb081ec6c7eedfd7e88a48365c67ce44ecb92.zip | |
rtc: rtc-sh: fix for period rtc interrupts.
When testing the per second interrupt support (RTC_UIE_ON/RTC_UIE_OFF)
of the new RTC system it would die in sh_rtc_interrupt due to a null
ptr dereference. The following gets it working correctly.
Signed-off-by: Jamie Lenehan <lenehan@twibble.org>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/rtc/rtc-sh.c')
| -rw-r--r-- | drivers/rtc/rtc-sh.c | 43 |
1 files changed, 22 insertions, 21 deletions
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c index 143302a8e79c..1ffc01ea730e 100644 --- a/drivers/rtc/rtc-sh.c +++ b/drivers/rtc/rtc-sh.c @@ -21,7 +21,7 @@ #include <linux/seq_file.h> #include <linux/interrupt.h> #include <linux/spinlock.h> -#include <asm/io.h> +#include <linux/io.h> #ifdef CONFIG_CPU_SH3 #define rtc_reg_size sizeof(u16) @@ -33,22 +33,22 @@ #define RTC_REG(r) ((r) * rtc_reg_size) -#define R64CNT RTC_REG(0) -#define RSECCNT RTC_REG(1) -#define RMINCNT RTC_REG(2) -#define RHRCNT RTC_REG(3) -#define RWKCNT RTC_REG(4) -#define RDAYCNT RTC_REG(5) -#define RMONCNT RTC_REG(6) -#define RYRCNT RTC_REG(7) -#define RSECAR RTC_REG(8) -#define RMINAR RTC_REG(9) -#define RHRAR RTC_REG(10) -#define RWKAR RTC_REG(11) -#define RDAYAR RTC_REG(12) -#define RMONAR RTC_REG(13) -#define RCR1 RTC_REG(14) -#define RCR2 RTC_REG(15) +#define R64CNT RTC_REG(0) +#define RSECCNT RTC_REG(1) +#define RMINCNT RTC_REG(2) +#define RHRCNT RTC_REG(3) +#define RWKCNT RTC_REG(4) +#define RDAYCNT RTC_REG(5) +#define RMONCNT RTC_REG(6) +#define RYRCNT RTC_REG(7) +#define RSECAR RTC_REG(8) +#define RMINAR RTC_REG(9) +#define RHRAR RTC_REG(10) +#define RWKAR RTC_REG(11) +#define RDAYAR RTC_REG(12) +#define RMONAR RTC_REG(13) +#define RCR1 RTC_REG(14) +#define RCR2 RTC_REG(15) /* RCR1 Bits */ #define RCR1_CF 0x80 /* Carry Flag */ @@ -73,9 +73,9 @@ struct sh_rtc { spinlock_t lock; }; -static irqreturn_t sh_rtc_interrupt(int irq, void *id) +static irqreturn_t sh_rtc_interrupt(int irq, void *dev_id) { - struct platform_device *pdev = id; + struct platform_device *pdev = to_platform_device(dev_id); struct sh_rtc *rtc = platform_get_drvdata(pdev); unsigned int tmp, events = 0; @@ -97,9 +97,10 @@ static irqreturn_t sh_rtc_interrupt(int irq, void *id) return IRQ_HANDLED; } -static irqreturn_t sh_rtc_periodic(int irq, void *id) +static irqreturn_t sh_rtc_periodic(int irq, void *dev_id) { - struct sh_rtc *rtc = dev_get_drvdata(id); + struct platform_device *pdev = to_platform_device(dev_id); + struct sh_rtc *rtc = platform_get_drvdata(pdev); spin_lock(&rtc->lock); |