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>

diff --git a/drivers/rtc/rtc-imxdi.c b/drivers/rtc/rtc-imxdi.c
index c666eab..056ef6c 100644 (file)
--- a/drivers/rtc/rtc-imxdi.c
+++ b/drivers/rtc/rtc-imxdi.c
@@ -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);