diff options
Diffstat (limited to 'drivers/pinctrl/pinctrl-at91.c')
| -rw-r--r-- | drivers/pinctrl/pinctrl-at91.c | 60 |
1 files changed, 28 insertions, 32 deletions
diff --git a/drivers/pinctrl/pinctrl-at91.c b/drivers/pinctrl/pinctrl-at91.c index a4814066ea08..2f797cb7e205 100644 --- 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, @@ -1114,7 +1114,7 @@ static int at91_pinctrl_parse_functions(struct device_node *np, return 0; } -static struct of_device_id at91_pinctrl_of_match[] = { +static const struct of_device_id at91_pinctrl_of_match[] = { { .compatible = "atmel,sama5d3-pinctrl", .data = &sama5d3_ops }, { .compatible = "atmel,at91sam9x5-pinctrl", .data = &at91sam9x5_ops }, { .compatible = "atmel,at91rm9200-pinctrl", .data = &at91rm9200_ops }, @@ -1240,8 +1240,7 @@ static int at91_pinctrl_probe(struct platform_device *pdev) if (!info->pctl) { dev_err(&pdev->dev, "could not register AT91 pinctrl driver\n"); - ret = -EINVAL; - goto err; + return -EINVAL; } /* We will handle a range of GPIO pins */ @@ -1252,9 +1251,6 @@ static int at91_pinctrl_probe(struct platform_device *pdev) dev_info(&pdev->dev, "initialized AT91 pinctrl driver\n"); return 0; - -err: - return ret; } static int at91_pinctrl_remove(struct platform_device *pdev) @@ -1535,9 +1531,9 @@ 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); @@ -1562,8 +1558,8 @@ 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); } } @@ -1694,7 +1690,7 @@ static struct gpio_chip at91_gpio_template = { .ngpio = MAX_NB_GPIO_PER_BANK, }; -static struct of_device_id at91_gpio_of_match[] = { +static const struct of_device_id at91_gpio_of_match[] = { { .compatible = "atmel,at91sam9x5-gpio", .data = &at91sam9x5_ops, }, { .compatible = "atmel,at91rm9200-gpio", .data = &at91rm9200_ops }, { /* sentinel */ } |