diff options
Diffstat (limited to 'drivers/gpio/gpio-em.c')
| -rw-r--r-- | drivers/gpio/gpio-em.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index 1e98a987396..cde36054c38 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -99,23 +99,23 @@ static void em_gio_irq_enable(struct irq_data *d) em_gio_write(p, GIO_IEN, BIT(irqd_to_hwirq(d))); } -static unsigned int em_gio_irq_startup(struct irq_data *d) +static int em_gio_irq_reqres(struct irq_data *d) { struct em_gio_priv *p = irq_data_get_irq_chip_data(d); - if (gpio_lock_as_irq(&p->gpio_chip, irqd_to_hwirq(d))) + if (gpio_lock_as_irq(&p->gpio_chip, irqd_to_hwirq(d))) { dev_err(p->gpio_chip.dev, "unable to lock HW IRQ %lu for IRQ\n", irqd_to_hwirq(d)); - em_gio_irq_enable(d); + return -EINVAL; + } return 0; } -static void em_gio_irq_shutdown(struct irq_data *d) +static void em_gio_irq_relres(struct irq_data *d) { struct em_gio_priv *p = irq_data_get_irq_chip_data(d); - em_gio_irq_disable(d); gpio_unlock_as_irq(&p->gpio_chip, irqd_to_hwirq(d)); } @@ -212,7 +212,7 @@ static void __em_gio_set(struct gpio_chip *chip, unsigned int reg, { /* upper 16 bits contains mask and lower 16 actual value */ em_gio_write(gpio_to_priv(chip), reg, - (1 << (shift + 16)) | (value << shift)); + (BIT(shift + 16)) | (value << shift)); } static void em_gio_set(struct gpio_chip *chip, unsigned offset, int value) @@ -284,7 +284,6 @@ static int em_gio_probe(struct platform_device *pdev) p = devm_kzalloc(&pdev->dev, sizeof(*p), GFP_KERNEL); if (!p) { - dev_err(&pdev->dev, "failed to allocate driver data\n"); ret = -ENOMEM; goto err0; } @@ -359,8 +358,8 @@ static int em_gio_probe(struct platform_device *pdev) irq_chip->irq_mask = em_gio_irq_disable; irq_chip->irq_unmask = em_gio_irq_enable; irq_chip->irq_set_type = em_gio_irq_set_type; - irq_chip->irq_startup = em_gio_irq_startup; - irq_chip->irq_shutdown = em_gio_irq_shutdown; + irq_chip->irq_request_resources = em_gio_irq_reqres; + irq_chip->irq_release_resources = em_gio_irq_relres; irq_chip->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND; p->irq_domain = irq_domain_add_simple(pdev->dev.of_node, |