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Merge branch 'samsung/driver' into next/drivers

Browse source 
Conflicts:
	arch/arm/mach-mxs/include/mach/common.h

Pull in previous samsung conflict merges and do a trivial
merge of an mxs double-add conflict.

Signed-off-by: Arnd Bergmann <[email protected]>
This commit is contained in:
Arnd Bergmann 2012-01-09 16:16:29 +00:00
commit dcf7ec5ee6
1271 changed files with 12353 additions and 12763 deletions
Download patch file Download diff file Expand all files Collapse all files

6
drivers/rtc/interface.c
View file

@ -73,6 +73,8 @@ int rtc_set_time(struct rtc_device *rtc, struct rtc_time *tm)
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
/* A timer might have just expired */
schedule_work(&rtc->irqwork);
return err;
}
EXPORT_SYMBOL_GPL(rtc_set_time);
@ -112,6 +114,8 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
err = -EINVAL;
mutex_unlock(&rtc->ops_lock);
/* A timer might have just expired */
schedule_work(&rtc->irqwork);
return err;
}
@ -403,6 +407,8 @@ int rtc_initialize_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
timerqueue_add(&rtc->timerqueue, &rtc->aie_timer.node);
}
mutex_unlock(&rtc->ops_lock);
/* maybe that was in the past.*/
schedule_work(&rtc->irqwork);
return err;
}
EXPORT_SYMBOL_GPL(rtc_initialize_alarm);

101
drivers/rtc/rtc-at91rm9200.c
View file

@ -32,11 +32,17 @@
#include <mach/at91_rtc.h>
#define at91_rtc_read(field) \
__raw_readl(at91_rtc_regs + field)
#define at91_rtc_write(field, val) \
__raw_writel((val), at91_rtc_regs + field)
#define AT91_RTC_EPOCH 1900UL /* just like arch/arm/common/rtctime.c */
static DECLARE_COMPLETION(at91_rtc_updated);
static unsigned int at91_alarm_year = AT91_RTC_EPOCH;
static void __iomem *at91_rtc_regs;
static int irq;
/*
* Decode time/date into rtc_time structure
@ -48,10 +54,10 @@ static void at91_rtc_decodetime(unsigned int timereg, unsigned int calreg,
/* must read twice in case it changes */
do {
time = at91_sys_read(timereg);
date = at91_sys_read(calreg);
} while ((time != at91_sys_read(timereg)) ||
(date != at91_sys_read(calreg)));
time = at91_rtc_read(timereg);
date = at91_rtc_read(calreg);
} while ((time != at91_rtc_read(timereg)) ||
(date != at91_rtc_read(calreg)));
tm->tm_sec = bcd2bin((time & AT91_RTC_SEC) >> 0);
tm->tm_min = bcd2bin((time & AT91_RTC_MIN) >> 8);
@ -98,19 +104,19 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
tm->tm_hour, tm->tm_min, tm->tm_sec);
/* Stop Time/Calendar from counting */
cr = at91_sys_read(AT91_RTC_CR);
at91_sys_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
cr = at91_rtc_read(AT91_RTC_CR);
at91_rtc_write(AT91_RTC_CR, cr | AT91_RTC_UPDCAL | AT91_RTC_UPDTIM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ACKUPD);
at91_rtc_write(AT91_RTC_IER, AT91_RTC_ACKUPD);
wait_for_completion(&at91_rtc_updated); /* wait for ACKUPD interrupt */
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD);
at91_sys_write(AT91_RTC_TIMR,
at91_rtc_write(AT91_RTC_TIMR,
bin2bcd(tm->tm_sec) << 0
| bin2bcd(tm->tm_min) << 8
| bin2bcd(tm->tm_hour) << 16);
at91_sys_write(AT91_RTC_CALR,
at91_rtc_write(AT91_RTC_CALR,
bin2bcd((tm->tm_year + 1900) / 100) /* century */
| bin2bcd(tm->tm_year % 100) << 8 /* year */
| bin2bcd(tm->tm_mon + 1) << 16 /* tm_mon starts at zero */
@ -118,8 +124,8 @@ static int at91_rtc_settime(struct device *dev, struct rtc_time *tm)
| bin2bcd(tm->tm_mday) << 24);
/* Restart Time/Calendar */
cr = at91_sys_read(AT91_RTC_CR);
at91_sys_write(AT91_RTC_CR, cr & ~(AT91_RTC_UPDCAL | AT91_RTC_UPDTIM));
cr = at91_rtc_read(AT91_RTC_CR);
at91_rtc_write(AT91_RTC_CR, cr & ~(AT91_RTC_UPDCAL | AT91_RTC_UPDTIM));
return 0;
}
@ -135,7 +141,7 @@ static int at91_rtc_readalarm(struct device *dev, struct rtc_wkalrm *alrm)
tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year);
tm->tm_year = at91_alarm_year - 1900;
alrm->enabled = (at91_sys_read(AT91_RTC_IMR) & AT91_RTC_ALARM)
alrm->enabled = (at91_rtc_read(AT91_RTC_IMR) & AT91_RTC_ALARM)
? 1 : 0;
pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
@ -160,20 +166,20 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
tm.tm_min = alrm->time.tm_min;
tm.tm_sec = alrm->time.tm_sec;
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_TIMALR,
at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_TIMALR,
bin2bcd(tm.tm_sec) << 0
| bin2bcd(tm.tm_min) << 8
| bin2bcd(tm.tm_hour) << 16
| AT91_RTC_HOUREN | AT91_RTC_MINEN | AT91_RTC_SECEN);
at91_sys_write(AT91_RTC_CALALR,
at91_rtc_write(AT91_RTC_CALALR,
bin2bcd(tm.tm_mon + 1) << 16 /* tm_mon starts at zero */
| bin2bcd(tm.tm_mday) << 24
| AT91_RTC_DATEEN | AT91_RTC_MTHEN);
if (alrm->enabled) {
at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
}
pr_debug("%s(): %4d-%02d-%02d %02d:%02d:%02d\n", __func__,
@ -188,10 +194,10 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
pr_debug("%s(): cmd=%08x\n", __func__, enabled);
if (enabled) {
at91_sys_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_sys_write(AT91_RTC_IER, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_SCCR, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_IER, AT91_RTC_ALARM);
} else
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ALARM);
at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ALARM);
return 0;
}
@ -200,7 +206,7 @@ static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
*/
static int at91_rtc_proc(struct device *dev, struct seq_file *seq)
{
unsigned long imr = at91_sys_read(AT91_RTC_IMR);
unsigned long imr = at91_rtc_read(AT91_RTC_IMR);
seq_printf(seq, "update_IRQ\t: %s\n",
(imr & AT91_RTC_ACKUPD) ? "yes" : "no");
@ -220,7 +226,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
unsigned int rtsr;
unsigned long events = 0;
rtsr = at91_sys_read(AT91_RTC_SR) & at91_sys_read(AT91_RTC_IMR);
rtsr = at91_rtc_read(AT91_RTC_SR) & at91_rtc_read(AT91_RTC_IMR);
if (rtsr) { /* this interrupt is shared! Is it ours? */
if (rtsr & AT91_RTC_ALARM)
events |= (RTC_AF | RTC_IRQF);
@ -229,7 +235,7 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
if (rtsr & AT91_RTC_ACKUPD)
complete(&at91_rtc_updated);
at91_sys_write(AT91_RTC_SCCR, rtsr); /* clear status reg */
at91_rtc_write(AT91_RTC_SCCR, rtsr); /* clear status reg */
rtc_update_irq(rtc, 1, events);
@ -256,22 +262,41 @@ static const struct rtc_class_ops at91_rtc_ops = {
static int __init at91_rtc_probe(struct platform_device *pdev)
{
struct rtc_device *rtc;
int ret;
struct resource *regs;
int ret = 0;
at91_sys_write(AT91_RTC_CR, 0);
at91_sys_write(AT91_RTC_MR, 0); /* 24 hour mode */
regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
if (!regs) {
dev_err(&pdev->dev, "no mmio resource defined\n");
return -ENXIO;
}
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
dev_err(&pdev->dev, "no irq resource defined\n");
return -ENXIO;
}
at91_rtc_regs = ioremap(regs->start, resource_size(regs));
if (!at91_rtc_regs) {
dev_err(&pdev->dev, "failed to map registers, aborting.\n");
return -ENOMEM;
}
at91_rtc_write(AT91_RTC_CR, 0);
at91_rtc_write(AT91_RTC_MR, 0); /* 24 hour mode */
/* Disable all interrupts */
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
AT91_RTC_SECEV | AT91_RTC_TIMEV |
AT91_RTC_CALEV);
ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
ret = request_irq(irq, at91_rtc_interrupt,
IRQF_SHARED,
"at91_rtc", pdev);
if (ret) {
printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n",
AT91_ID_SYS);
irq);
return ret;
}
@ -284,7 +309,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
rtc = rtc_device_register(pdev->name, &pdev->dev,
&at91_rtc_ops, THIS_MODULE);
if (IS_ERR(rtc)) {
free_irq(AT91_ID_SYS, pdev);
free_irq(irq, pdev);
return PTR_ERR(rtc);
}
platform_set_drvdata(pdev, rtc);
@ -301,10 +326,10 @@ static int __exit at91_rtc_remove(struct platform_device *pdev)
struct rtc_device *rtc = platform_get_drvdata(pdev);
/* Disable all interrupts */
at91_sys_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
at91_rtc_write(AT91_RTC_IDR, AT91_RTC_ACKUPD | AT91_RTC_ALARM |
AT91_RTC_SECEV | AT91_RTC_TIMEV |
AT91_RTC_CALEV);
free_irq(AT91_ID_SYS, pdev);
free_irq(irq, pdev);
rtc_device_unregister(rtc);
platform_set_drvdata(pdev, NULL);
@ -323,13 +348,13 @@ 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...
*/
at91_rtc_imr = at91_sys_read(AT91_RTC_IMR)
at91_rtc_imr = at91_rtc_read(AT91_RTC_IMR)
& (AT91_RTC_ALARM|AT91_RTC_SECEV);
if (at91_rtc_imr) {
if (device_may_wakeup(dev))
enable_irq_wake(AT91_ID_SYS);
enable_irq_wake(irq);
else
at91_sys_write(AT91_RTC_IDR, at91_rtc_imr);
at91_rtc_write(AT91_RTC_IDR, at91_rtc_imr);
}
return 0;
}
@ -338,9 +363,9 @@ static int at91_rtc_resume(struct device *dev)
{
if (at91_rtc_imr) {
if (device_may_wakeup(dev))
disable_irq_wake(AT91_ID_SYS);
disable_irq_wake(irq);
else
at91_sys_write(AT91_RTC_IER, at91_rtc_imr);
at91_rtc_write(AT91_RTC_IER, at91_rtc_imr);
}
return 0;
}

9
drivers/rtc/rtc-m41t80.c
View file

@ -357,10 +357,19 @@ static int m41t80_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *t)
static struct rtc_class_ops m41t80_rtc_ops = {
.read_time = m41t80_rtc_read_time,
.set_time = m41t80_rtc_set_time,
/*
* XXX - m41t80 alarm functionality is reported broken.
* until it is fixed, don't register alarm functions.
*
.read_alarm = m41t80_rtc_read_alarm,
.set_alarm = m41t80_rtc_set_alarm,
*/
.proc = m41t80_rtc_proc,
/*
* See above comment on broken alarm
*
.alarm_irq_enable = m41t80_rtc_alarm_irq_enable,
*/
};
#if defined(CONFIG_RTC_INTF_SYSFS) || defined(CONFIG_RTC_INTF_SYSFS_MODULE)