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-rw-r--r--arch/arm/common/rtctime.c29
-rw-r--r--arch/arm/mach-integrator/time.c17
-rw-r--r--arch/arm/mach-pxa/generic.c25
-rw-r--r--drivers/char/s3c2410-rtc.c8
-rw-r--r--include/asm-arm/rtc.h4
5 files changed, 60 insertions, 23 deletions
diff --git a/arch/arm/common/rtctime.c b/arch/arm/common/rtctime.c
index c397e71f938..72b03f201eb 100644
--- a/arch/arm/common/rtctime.c
+++ b/arch/arm/common/rtctime.c
@@ -141,10 +141,10 @@ void rtc_next_alarm_time(struct rtc_time *next, struct rtc_time *now, struct rtc
next->tm_sec = alrm->tm_sec;
}
-static inline void rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm)
+static inline int rtc_read_time(struct rtc_ops *ops, struct rtc_time *tm)
{
memset(tm, 0, sizeof(struct rtc_time));
- ops->read_time(tm);
+ return ops->read_time(tm);
}
static inline int rtc_set_time(struct rtc_ops *ops, struct rtc_time *tm)
@@ -163,8 +163,7 @@ static inline int rtc_read_alarm(struct rtc_ops *ops, struct rtc_wkalrm *alrm)
int ret = -EINVAL;
if (ops->read_alarm) {
memset(alrm, 0, sizeof(struct rtc_wkalrm));
- ops->read_alarm(alrm);
- ret = 0;
+ ret = ops->read_alarm(alrm);
}
return ret;
}
@@ -283,7 +282,9 @@ static int rtc_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
break;
case RTC_RD_TIME:
- rtc_read_time(ops, &tm);
+ ret = rtc_read_time(ops, &tm);
+ if (ret)
+ break;
ret = copy_to_user(uarg, &tm, sizeof(tm));
if (ret)
ret = -EFAULT;
@@ -424,15 +425,15 @@ static int rtc_read_proc(char *page, char **start, off_t off, int count, int *eo
struct rtc_time tm;
char *p = page;
- rtc_read_time(ops, &tm);
-
- p += sprintf(p,
- "rtc_time\t: %02d:%02d:%02d\n"
- "rtc_date\t: %04d-%02d-%02d\n"
- "rtc_epoch\t: %04lu\n",
- tm.tm_hour, tm.tm_min, tm.tm_sec,
- tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
- rtc_epoch);
+ if (rtc_read_time(ops, &tm) == 0) {
+ p += sprintf(p,
+ "rtc_time\t: %02d:%02d:%02d\n"
+ "rtc_date\t: %04d-%02d-%02d\n"
+ "rtc_epoch\t: %04lu\n",
+ tm.tm_hour, tm.tm_min, tm.tm_sec,
+ tm.tm_year + 1900, tm.tm_mon + 1, tm.tm_mday,
+ rtc_epoch);
+ }
if (rtc_read_alarm(ops, &alrm) == 0) {
p += sprintf(p, "alrm_time\t: ");
diff --git a/arch/arm/mach-integrator/time.c b/arch/arm/mach-integrator/time.c
index 20729de2af2..1a844ca139e 100644
--- a/arch/arm/mach-integrator/time.c
+++ b/arch/arm/mach-integrator/time.c
@@ -40,25 +40,32 @@ static int integrator_set_rtc(void)
return 1;
}
-static void rtc_read_alarm(struct rtc_wkalrm *alrm)
+static int rtc_read_alarm(struct rtc_wkalrm *alrm)
{
rtc_time_to_tm(readl(rtc_base + RTC_MR), &alrm->time);
+ return 0;
}
-static int rtc_set_alarm(struct rtc_wkalrm *alrm)
+static inline int rtc_set_alarm(struct rtc_wkalrm *alrm)
{
unsigned long time;
int ret;
- ret = rtc_tm_to_time(&alrm->time, &time);
+ /*
+ * At the moment, we can only deal with non-wildcarded alarm times.
+ */
+ ret = rtc_valid_tm(&alrm->time);
+ if (ret == 0)
+ ret = rtc_tm_to_time(&alrm->time, &time);
if (ret == 0)
writel(time, rtc_base + RTC_MR);
return ret;
}
-static void rtc_read_time(struct rtc_time *tm)
+static int rtc_read_time(struct rtc_time *tm)
{
rtc_time_to_tm(readl(rtc_base + RTC_DR), tm);
+ return 0;
}
/*
@@ -69,7 +76,7 @@ static void rtc_read_time(struct rtc_time *tm)
* edge of the 1Hz clock, we must write the time one second
* in advance.
*/
-static int rtc_set_time(struct rtc_time *tm)
+static inline int rtc_set_time(struct rtc_time *tm)
{
unsigned long time;
int ret;
diff --git a/arch/arm/mach-pxa/generic.c b/arch/arm/mach-pxa/generic.c
index b1575b8dc1c..a45aaa115a7 100644
--- a/arch/arm/mach-pxa/generic.c
+++ b/arch/arm/mach-pxa/generic.c
@@ -220,6 +220,30 @@ static struct platform_device stuart_device = {
.id = 2,
};
+static struct resource i2c_resources[] = {
+ {
+ .start = 0x40301680,
+ .end = 0x403016a3,
+ .flags = IORESOURCE_MEM,
+ }, {
+ .start = IRQ_I2C,
+ .end = IRQ_I2C,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device i2c_device = {
+ .name = "pxa2xx-i2c",
+ .id = 0,
+ .resource = i2c_resources,
+ .num_resources = ARRAY_SIZE(i2c_resources),
+};
+
+void __init pxa_set_i2c_info(struct i2c_pxa_platform_data *info)
+{
+ i2c_device.dev.platform_data = info;
+}
+
static struct platform_device *devices[] __initdata = {
&pxamci_device,
&udc_device,
@@ -227,6 +251,7 @@ static struct platform_device *devices[] __initdata = {
&ffuart_device,
&btuart_device,
&stuart_device,
+ &i2c_device,
};
static int __init pxa_init(void)
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index 8e61be34a1d..ed867db550a 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -116,7 +116,7 @@ static void s3c2410_rtc_setfreq(int freq)
/* Time read/write */
-static void s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
+static int s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
{
unsigned int have_retried = 0;
@@ -151,6 +151,8 @@ static void s3c2410_rtc_gettime(struct rtc_time *rtc_tm)
rtc_tm->tm_year += 100;
rtc_tm->tm_mon -= 1;
+
+ return 0;
}
@@ -171,7 +173,7 @@ static int s3c2410_rtc_settime(struct rtc_time *tm)
return 0;
}
-static void s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
+static int s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
{
struct rtc_time *alm_tm = &alrm->time;
unsigned int alm_en;
@@ -231,6 +233,8 @@ static void s3c2410_rtc_getalarm(struct rtc_wkalrm *alrm)
}
/* todo - set alrm->enabled ? */
+
+ return 0;
}
static int s3c2410_rtc_setalarm(struct rtc_wkalrm *alrm)
diff --git a/include/asm-arm/rtc.h b/include/asm-arm/rtc.h
index aa7e16b2e22..370dfe77589 100644
--- a/include/asm-arm/rtc.h
+++ b/include/asm-arm/rtc.h
@@ -18,9 +18,9 @@ struct rtc_ops {
void (*release)(void);
int (*ioctl)(unsigned int, unsigned long);
- void (*read_time)(struct rtc_time *);
+ int (*read_time)(struct rtc_time *);
int (*set_time)(struct rtc_time *);
- void (*read_alarm)(struct rtc_wkalrm *);
+ int (*read_alarm)(struct rtc_wkalrm *);
int (*set_alarm)(struct rtc_wkalrm *);
int (*proc)(char *buf);
};