diff options
Diffstat (limited to 'drivers/gpio/gpio-mvebu.c')
| -rw-r--r-- | drivers/gpio/gpio-mvebu.c | 32 |
1 files changed, 14 insertions, 18 deletions
diff --git a/drivers/gpio/gpio-mvebu.c b/drivers/gpio/gpio-mvebu.c index 5ffb332e9849..57633a7b4270 100644 --- a/drivers/gpio/gpio-mvebu.c +++ b/drivers/gpio/gpio-mvebu.c @@ -49,6 +49,7 @@ #include <linux/pwm.h> #include <linux/regmap.h> #include <linux/slab.h> +#include <linux/string_choices.h> /* * GPIO unit register offsets. @@ -297,12 +298,12 @@ static unsigned int mvebu_pwmreg_blink_off_duration(struct mvebu_pwm *mvpwm) /* * Functions implementing the gpio_chip methods */ -static void mvebu_gpio_set(struct gpio_chip *chip, unsigned int pin, int value) +static int mvebu_gpio_set(struct gpio_chip *chip, unsigned int pin, int value) { struct mvebu_gpio_chip *mvchip = gpiochip_get_data(chip); - regmap_update_bits(mvchip->regs, GPIO_OUT_OFF + mvchip->offset, - BIT(pin), value ? BIT(pin) : 0); + return regmap_update_bits(mvchip->regs, GPIO_OUT_OFF + mvchip->offset, + BIT(pin), value ? BIT(pin) : 0); } static int mvebu_gpio_get(struct gpio_chip *chip, unsigned int pin) @@ -407,9 +408,8 @@ static void mvebu_gpio_irq_ack(struct irq_data *d) struct mvebu_gpio_chip *mvchip = gc->private; u32 mask = d->mask; - irq_gc_lock(gc); + guard(raw_spinlock)(&gc->lock); mvebu_gpio_write_edge_cause(mvchip, ~mask); - irq_gc_unlock(gc); } static void mvebu_gpio_edge_irq_mask(struct irq_data *d) @@ -419,10 +419,9 @@ static void mvebu_gpio_edge_irq_mask(struct irq_data *d) struct irq_chip_type *ct = irq_data_get_chip_type(d); u32 mask = d->mask; - irq_gc_lock(gc); + guard(raw_spinlock)(&gc->lock); ct->mask_cache_priv &= ~mask; mvebu_gpio_write_edge_mask(mvchip, ct->mask_cache_priv); - irq_gc_unlock(gc); } static void mvebu_gpio_edge_irq_unmask(struct irq_data *d) @@ -432,11 +431,10 @@ static void mvebu_gpio_edge_irq_unmask(struct irq_data *d) struct irq_chip_type *ct = irq_data_get_chip_type(d); u32 mask = d->mask; - irq_gc_lock(gc); + guard(raw_spinlock)(&gc->lock); mvebu_gpio_write_edge_cause(mvchip, ~mask); ct->mask_cache_priv |= mask; mvebu_gpio_write_edge_mask(mvchip, ct->mask_cache_priv); - irq_gc_unlock(gc); } static void mvebu_gpio_level_irq_mask(struct irq_data *d) @@ -446,10 +444,9 @@ static void mvebu_gpio_level_irq_mask(struct irq_data *d) struct irq_chip_type *ct = irq_data_get_chip_type(d); u32 mask = d->mask; - irq_gc_lock(gc); + guard(raw_spinlock)(&gc->lock); ct->mask_cache_priv &= ~mask; mvebu_gpio_write_level_mask(mvchip, ct->mask_cache_priv); - irq_gc_unlock(gc); } static void mvebu_gpio_level_irq_unmask(struct irq_data *d) @@ -459,10 +456,9 @@ static void mvebu_gpio_level_irq_unmask(struct irq_data *d) struct irq_chip_type *ct = irq_data_get_chip_type(d); u32 mask = d->mask; - irq_gc_lock(gc); + guard(raw_spinlock)(&gc->lock); ct->mask_cache_priv |= mask; mvebu_gpio_write_level_mask(mvchip, ct->mask_cache_priv); - irq_gc_unlock(gc); } /***************************************************************************** @@ -907,14 +903,14 @@ static void mvebu_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip) if (is_out) { seq_printf(s, " out %s %s\n", - out & msk ? "hi" : "lo", + str_hi_lo(out & msk), blink & msk ? "(blink )" : ""); continue; } seq_printf(s, " in %s (act %s) - IRQ", - (data_in ^ in_pol) & msk ? "hi" : "lo", - in_pol & msk ? "lo" : "hi"); + str_hi_lo((data_in ^ in_pol) & msk), + str_lo_hi(in_pol & msk)); if (!((edg_msk | lvl_msk) & msk)) { seq_puts(s, " disabled\n"); continue; @@ -1172,7 +1168,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) mvchip->chip.direction_input = mvebu_gpio_direction_input; mvchip->chip.get = mvebu_gpio_get; mvchip->chip.direction_output = mvebu_gpio_direction_output; - mvchip->chip.set = mvebu_gpio_set; + mvchip->chip.set_rv = mvebu_gpio_set; if (have_irqs) mvchip->chip.to_irq = mvebu_gpio_to_irq; mvchip->chip.base = id * MVEBU_MAX_GPIO_PER_BANK; @@ -1241,7 +1237,7 @@ static int mvebu_gpio_probe(struct platform_device *pdev) return 0; mvchip->domain = - irq_domain_add_linear(np, ngpios, &irq_generic_chip_ops, NULL); + irq_domain_create_linear(of_fwnode_handle(np), ngpios, &irq_generic_chip_ops, NULL); if (!mvchip->domain) { dev_err(&pdev->dev, "couldn't allocate irq domain %s (DT).\n", mvchip->chip.label); |