Skip to content
Permalink
Browse files
rtc: goldfish: use gf_ioread32()/gf_iowrite32()
replace readl()/writel() by gf_ioread32()/gf_iowrite32()
as done for goldfish-tty.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
  • Loading branch information
vivier authored and intel-lab-lkp committed Jan 20, 2022
1 parent 792f3f1 commit 82ea64fc7cab43e258085769ed1d90b0685bf091
Showing 1 changed file with 15 additions and 15 deletions.
@@ -41,16 +41,16 @@ static int goldfish_rtc_read_alarm(struct device *dev,
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;

rtc_alarm_low = readl(base + TIMER_ALARM_LOW);
rtc_alarm_high = readl(base + TIMER_ALARM_HIGH);
rtc_alarm_low = gf_ioread32(base + TIMER_ALARM_LOW);
rtc_alarm_high = gf_ioread32(base + TIMER_ALARM_HIGH);
rtc_alarm = (rtc_alarm_high << 32) | rtc_alarm_low;

do_div(rtc_alarm, NSEC_PER_SEC);
memset(alrm, 0, sizeof(struct rtc_wkalrm));

rtc_time64_to_tm(rtc_alarm, &alrm->time);

if (readl(base + TIMER_ALARM_STATUS))
if (gf_ioread32(base + TIMER_ALARM_STATUS))
alrm->enabled = 1;
else
alrm->enabled = 0;
@@ -71,18 +71,18 @@ static int goldfish_rtc_set_alarm(struct device *dev,

if (alrm->enabled) {
rtc_alarm64 = rtc_tm_to_time64(&alrm->time) * NSEC_PER_SEC;
writel((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
writel(rtc_alarm64, base + TIMER_ALARM_LOW);
writel(1, base + TIMER_IRQ_ENABLED);
gf_iowrite32((rtc_alarm64 >> 32), base + TIMER_ALARM_HIGH);
gf_iowrite32(rtc_alarm64, base + TIMER_ALARM_LOW);
gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
} else {
/*
* if this function was called with enabled=0
* then it could mean that the application is
* trying to cancel an ongoing alarm
*/
rtc_status_reg = readl(base + TIMER_ALARM_STATUS);
rtc_status_reg = gf_ioread32(base + TIMER_ALARM_STATUS);
if (rtc_status_reg)
writel(1, base + TIMER_CLEAR_ALARM);
gf_iowrite32(1, base + TIMER_CLEAR_ALARM);
}

return 0;
@@ -98,9 +98,9 @@ static int goldfish_rtc_alarm_irq_enable(struct device *dev,
base = rtcdrv->base;

if (enabled)
writel(1, base + TIMER_IRQ_ENABLED);
gf_iowrite32(1, base + TIMER_IRQ_ENABLED);
else
writel(0, base + TIMER_IRQ_ENABLED);
gf_iowrite32(0, base + TIMER_IRQ_ENABLED);

return 0;
}
@@ -110,7 +110,7 @@ static irqreturn_t goldfish_rtc_interrupt(int irq, void *dev_id)
struct goldfish_rtc *rtcdrv = dev_id;
void __iomem *base = rtcdrv->base;

writel(1, base + TIMER_CLEAR_INTERRUPT);
gf_iowrite32(1, base + TIMER_CLEAR_INTERRUPT);

rtc_update_irq(rtcdrv->rtc, 1, RTC_IRQF | RTC_AF);

@@ -128,8 +128,8 @@ static int goldfish_rtc_read_time(struct device *dev, struct rtc_time *tm)
rtcdrv = dev_get_drvdata(dev);
base = rtcdrv->base;

time_low = readl(base + TIMER_TIME_LOW);
time_high = readl(base + TIMER_TIME_HIGH);
time_low = gf_ioread32(base + TIMER_TIME_LOW);
time_high = gf_ioread32(base + TIMER_TIME_HIGH);
time = (time_high << 32) | time_low;

do_div(time, NSEC_PER_SEC);
@@ -149,8 +149,8 @@ static int goldfish_rtc_set_time(struct device *dev, struct rtc_time *tm)
base = rtcdrv->base;

now64 = rtc_tm_to_time64(tm) * NSEC_PER_SEC;
writel((now64 >> 32), base + TIMER_TIME_HIGH);
writel(now64, base + TIMER_TIME_LOW);
gf_iowrite32((now64 >> 32), base + TIMER_TIME_HIGH);
gf_iowrite32(now64, base + TIMER_TIME_LOW);

return 0;
}

0 comments on commit 82ea64f

Please sign in to comment.