pinctrl: at91: convert __raw to endian agnostic IO

Use endian agnostic _relaxed IO accessors instead of the __raw ones.

Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Cc: Andrew Victor <linux@maxim.org.za>
Cc: Jean-Christophe Plagniol-Villard <plagnioj@jcrosoft.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c
index 087f994..ecf77eb 100644 (file)
--- a/drivers/pinctrl/pinctrl-at91.c
+++ b/drivers/pinctrl/pinctrl-at91.c
@@ -451,18 +451,18 @@ static enum at91_mux at91_mux_get_periph(void __iomem *pio, unsigned mask)
 
 static bool at91_mux_get_deglitch(void __iomem *pio, unsigned pin)
 {
-       return (__raw_readl(pio + PIO_IFSR) >> pin) & 0x1;
+       return (readl_relaxed(pio + PIO_IFSR) >> pin) & 0x1;
 }
 
 static void at91_mux_set_deglitch(void __iomem *pio, unsigned mask, bool is_on)
 {
-       __raw_writel(mask, pio + (is_on ? PIO_IFER : PIO_IFDR));
+       writel_relaxed(mask, pio + (is_on ? PIO_IFER : PIO_IFDR));
 }
 
 static bool at91_mux_pio3_get_deglitch(void __iomem *pio, unsigned pin)
 {
-       if ((__raw_readl(pio + PIO_IFSR) >> pin) & 0x1)
-               return !((__raw_readl(pio + PIO_IFSCSR) >> pin) & 0x1);
+       if ((readl_relaxed(pio + PIO_IFSR) >> pin) & 0x1)
+               return !((readl_relaxed(pio + PIO_IFSCSR) >> pin) & 0x1);
 
        return false;
 }
@@ -470,55 +470,55 @@ static bool at91_mux_pio3_get_deglitch(void __iomem *pio, unsigned pin)
 static void at91_mux_pio3_set_deglitch(void __iomem *pio, unsigned mask, bool is_on)
 {
        if (is_on)
-               __raw_writel(mask, pio + PIO_IFSCDR);
+               writel_relaxed(mask, pio + PIO_IFSCDR);
        at91_mux_set_deglitch(pio, mask, is_on);
 }
 
 static bool at91_mux_pio3_get_debounce(void __iomem *pio, unsigned pin, u32 *div)
 {
-       *div = __raw_readl(pio + PIO_SCDR);
+       *div = readl_relaxed(pio + PIO_SCDR);
 
-       return ((__raw_readl(pio + PIO_IFSR) >> pin) & 0x1) &&
-              ((__raw_readl(pio + PIO_IFSCSR) >> pin) & 0x1);
+       return ((readl_relaxed(pio + PIO_IFSR) >> pin) & 0x1) &&
+              ((readl_relaxed(pio + PIO_IFSCSR) >> pin) & 0x1);
 }
 
 static void at91_mux_pio3_set_debounce(void __iomem *pio, unsigned mask,
                                bool is_on, u32 div)
 {
        if (is_on) {
-               __raw_writel(mask, pio + PIO_IFSCER);
-               __raw_writel(div & PIO_SCDR_DIV, pio + PIO_SCDR);
-               __raw_writel(mask, pio + PIO_IFER);
+               writel_relaxed(mask, pio + PIO_IFSCER);
+               writel_relaxed(div & PIO_SCDR_DIV, pio + PIO_SCDR);
+               writel_relaxed(mask, pio + PIO_IFER);
        } else
-               __raw_writel(mask, pio + PIO_IFSCDR);
+               writel_relaxed(mask, pio + PIO_IFSCDR);
 }
 
 static bool at91_mux_pio3_get_pulldown(void __iomem *pio, unsigned pin)
 {
-       return !((__raw_readl(pio + PIO_PPDSR) >> pin) & 0x1);
+       return !((readl_relaxed(pio + PIO_PPDSR) >> pin) & 0x1);
 }
 
 static void at91_mux_pio3_set_pulldown(void __iomem *pio, unsigned mask, bool is_on)
 {
        if (is_on)
-               __raw_writel(mask, pio + PIO_PUDR);
+               writel_relaxed(mask, pio + PIO_PUDR);
 
-       __raw_writel(mask, pio + (is_on ? PIO_PPDER : PIO_PPDDR));
+       writel_relaxed(mask, pio + (is_on ? PIO_PPDER : PIO_PPDDR));
 }
 
 static void at91_mux_pio3_disable_schmitt_trig(void __iomem *pio, unsigned mask)
 {
-       __raw_writel(__raw_readl(pio + PIO_SCHMITT) | mask, pio + PIO_SCHMITT);
+       writel_relaxed(readl_relaxed(pio + PIO_SCHMITT) | mask, pio + PIO_SCHMITT);
 }
 
 static bool at91_mux_pio3_get_schmitt_trig(void __iomem *pio, unsigned pin)
 {
-       return (__raw_readl(pio + PIO_SCHMITT) >> pin) & 0x1;
+       return (readl_relaxed(pio + PIO_SCHMITT) >> pin) & 0x1;
 }
 
 static inline u32 read_drive_strength(void __iomem *reg, unsigned pin)
 {
-       unsigned tmp = __raw_readl(reg);
+       unsigned tmp = readl_relaxed(reg);
 
        tmp = tmp >> two_bit_pin_value_shift_amount(pin);
 
@@ -554,13 +554,13 @@ static unsigned at91_mux_sam9x5_get_drivestrength(void __iomem *pio,
 
 static void set_drive_strength(void __iomem *reg, unsigned pin, u32 strength)
 {
-       unsigned tmp = __raw_readl(reg);
+       unsigned tmp = readl_relaxed(reg);
        unsigned shift = two_bit_pin_value_shift_amount(pin);
 
        tmp &= ~(DRIVE_STRENGTH_MASK  <<  shift);
        tmp |= strength << shift;
 
-       __raw_writel(tmp, reg);
+       writel_relaxed(tmp, reg);
 }
 
 static void at91_mux_sama5d3_set_drivestrength(void __iomem *pio, unsigned pin,
@@ -1534,9 +1534,9 @@ void at91_pinctrl_gpio_suspend(void)
 
                pio = gpio_chips[i]->regbase;
 
-               backups[i] = __raw_readl(pio + PIO_IMR);
-               __raw_writel(backups[i], pio + PIO_IDR);
-               __raw_writel(wakeups[i], pio + PIO_IER);
+               backups[i] = readl_relaxed(pio + PIO_IMR);
+               writel_relaxed(backups[i], pio + PIO_IDR);
+               writel_relaxed(wakeups[i], pio + PIO_IER);
 
                if (!wakeups[i])
                        clk_disable_unprepare(gpio_chips[i]->clock);
@@ -1561,8 +1561,8 @@ void at91_pinctrl_gpio_resume(void)
                if (!wakeups[i])
                        clk_prepare_enable(gpio_chips[i]->clock);
 
-               __raw_writel(wakeups[i], pio + PIO_IDR);
-               __raw_writel(backups[i], pio + PIO_IER);
+               writel_relaxed(wakeups[i], pio + PIO_IDR);
+               writel_relaxed(backups[i], pio + PIO_IER);
        }
 }