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rtc: imxdi: avoid the __raw* register access functions 

Be independent of the endianness of the kernel.

Signed-off-by: Juergen Borleis <jbe@pengutronix.de>
Signed-off-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
This commit is contained in:
Juergen Borleis 2015-04-27 15:59:47 +02:00 committed by Alexandre Belloni
parent a42e6eae45
commit e30d31317b
1 changed files with 22 additions and 22 deletions
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44
drivers/rtc/rtc-imxdi.c
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@ -137,8 +137,8 @@ static void di_int_enable(struct imxdi_dev *imxdi, u32 intr)
unsigned long flags;
spin_lock_irqsave(&imxdi->irq_lock, flags);
__raw_writel(__raw_readl(imxdi->ioaddr + DIER) | intr,
imxdi->ioaddr + DIER);
writel(readl(imxdi->ioaddr + DIER) | intr,
imxdi->ioaddr + DIER);
spin_unlock_irqrestore(&imxdi->irq_lock, flags);
}
@ -150,8 +150,8 @@ static void di_int_disable(struct imxdi_dev *imxdi, u32 intr)
unsigned long flags;
spin_lock_irqsave(&imxdi->irq_lock, flags);
__raw_writel(__raw_readl(imxdi->ioaddr + DIER) & ~intr,
imxdi->ioaddr + DIER);
writel(readl(imxdi->ioaddr + DIER) & ~intr,
imxdi->ioaddr + DIER);
spin_unlock_irqrestore(&imxdi->irq_lock, flags);
}
@ -169,11 +169,11 @@ static void clear_write_error(struct imxdi_dev *imxdi)
dev_warn(&imxdi->pdev->dev, "WARNING: Register write error!\n");
/* clear the write error flag */
__raw_writel(DSR_WEF, imxdi->ioaddr + DSR);
writel(DSR_WEF, imxdi->ioaddr + DSR);
/* wait for it to take effect */
for (cnt = 0; cnt < 1000; cnt++) {
if ((__raw_readl(imxdi->ioaddr + DSR) & DSR_WEF) == 0)
if ((readl(imxdi->ioaddr + DSR) & DSR_WEF) == 0)
return;
udelay(10);
}
@ -201,7 +201,7 @@ static int di_write_wait(struct imxdi_dev *imxdi, u32 val, int reg)
imxdi->dsr = 0;
/* do the register write */
__raw_writel(val, imxdi->ioaddr + reg);
writel(val, imxdi->ioaddr + reg);
/* wait for the write to finish */
ret = wait_event_interruptible_timeout(imxdi->write_wait,
@ -235,7 +235,7 @@ static int dryice_rtc_read_time(struct device *dev, struct rtc_time *tm)
struct imxdi_dev *imxdi = dev_get_drvdata(dev);
unsigned long now;
now = __raw_readl(imxdi->ioaddr + DTCMR);
now = readl(imxdi->ioaddr + DTCMR);
rtc_time_to_tm(now, tm);
return 0;
@ -280,17 +280,17 @@ static int dryice_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm)
struct imxdi_dev *imxdi = dev_get_drvdata(dev);
u32 dcamr;
dcamr = __raw_readl(imxdi->ioaddr + DCAMR);
dcamr = readl(imxdi->ioaddr + DCAMR);
rtc_time_to_tm(dcamr, &alarm->time);
/* alarm is enabled if the interrupt is enabled */
alarm->enabled = (__raw_readl(imxdi->ioaddr + DIER) & DIER_CAIE) != 0;
alarm->enabled = (readl(imxdi->ioaddr + DIER) & DIER_CAIE) != 0;
/* don't allow the DSR read to mess up DSR_WCF */
mutex_lock(&imxdi->write_mutex);
/* alarm is pending if the alarm flag is set */
alarm->pending = (__raw_readl(imxdi->ioaddr + DSR) & DSR_CAF) != 0;
alarm->pending = (readl(imxdi->ioaddr + DSR) & DSR_CAF) != 0;
mutex_unlock(&imxdi->write_mutex);
@ -312,7 +312,7 @@ static int dryice_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
return rc;
/* don't allow setting alarm in the past */
now = __raw_readl(imxdi->ioaddr + DTCMR);
now = readl(imxdi->ioaddr + DTCMR);
if (alarm_time < now)
return -EINVAL;
@ -346,7 +346,7 @@ static irqreturn_t dryice_norm_irq(int irq, void *dev_id)
u32 dsr, dier;
irqreturn_t rc = IRQ_NONE;
dier = __raw_readl(imxdi->ioaddr + DIER);
dier = readl(imxdi->ioaddr + DIER);
/* handle write complete and write error cases */
if (dier & DIER_WCIE) {
@ -357,7 +357,7 @@ static irqreturn_t dryice_norm_irq(int irq, void *dev_id)
return rc;
/* DSR_WCF clears itself on DSR read */
dsr = __raw_readl(imxdi->ioaddr + DSR);
dsr = readl(imxdi->ioaddr + DSR);
if (dsr & (DSR_WCF | DSR_WEF)) {
/* mask the interrupt */
di_int_disable(imxdi, DIER_WCIE);
@ -373,7 +373,7 @@ static irqreturn_t dryice_norm_irq(int irq, void *dev_id)
/* handle the alarm case */
if (dier & DIER_CAIE) {
/* DSR_WCF clears itself on DSR read */
dsr = __raw_readl(imxdi->ioaddr + DSR);
dsr = readl(imxdi->ioaddr + DSR);
if (dsr & DSR_CAF) {
/* mask the interrupt */
di_int_disable(imxdi, DIER_CAIE);
@ -446,7 +446,7 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
*/
/* mask all interrupts */
__raw_writel(0, imxdi->ioaddr + DIER);
writel(0, imxdi->ioaddr + DIER);
rc = devm_request_irq(&pdev->dev, imxdi->irq, dryice_norm_irq,
IRQF_SHARED, pdev->name, imxdi);
@ -456,7 +456,7 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
}
/* put dryice into valid state */
if (__raw_readl(imxdi->ioaddr + DSR) & DSR_NVF) {
if (readl(imxdi->ioaddr + DSR) & DSR_NVF) {
rc = di_write_wait(imxdi, DSR_NVF | DSR_SVF, DSR);
if (rc)
goto err;
@ -471,23 +471,23 @@ static int __init dryice_rtc_probe(struct platform_device *pdev)
goto err;
/* clear alarm flag */
if (__raw_readl(imxdi->ioaddr + DSR) & DSR_CAF) {
if (readl(imxdi->ioaddr + DSR) & DSR_CAF) {
rc = di_write_wait(imxdi, DSR_CAF, DSR);
if (rc)
goto err;
}
/* the timer won't count if it has never been written to */
if (__raw_readl(imxdi->ioaddr + DTCMR) == 0) {
if (readl(imxdi->ioaddr + DTCMR) == 0) {
rc = di_write_wait(imxdi, 0, DTCMR);
if (rc)
goto err;
}
/* start keeping time */
if (!(__raw_readl(imxdi->ioaddr + DCR) & DCR_TCE)) {
if (!(readl(imxdi->ioaddr + DCR) & DCR_TCE)) {
rc = di_write_wait(imxdi,
__raw_readl(imxdi->ioaddr + DCR) | DCR_TCE,
readl(imxdi->ioaddr + DCR) | DCR_TCE,
DCR);
if (rc)
goto err;
@ -516,7 +516,7 @@ static int __exit dryice_rtc_remove(struct platform_device *pdev)
flush_work(&imxdi->work);
/* mask all interrupts */
__raw_writel(0, imxdi->ioaddr + DIER);
writel(0, imxdi->ioaddr + DIER);
clk_disable_unprepare(imxdi->clk);