diff options
| author | Linus Walleij <linus.walleij@linaro.org> | 2013-12-04 14:48:17 +0100 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2013-12-04 14:48:17 +0100 |
| commit | 33e0aae11e4854c792e9871f94da6d28bf2e2bb8 (patch) | |
| tree | d75422fcd621bb1a4ec019f7ab625e3bc99ffaff /drivers/gpio/gpio-em.c | |
| parent | gpio/pinctrl: make gpio_chip members typed boolean (diff) | |
| parent | gpio: lynxpoint: lock IRQs when starting them (diff) | |
| download | linux-33e0aae11e4854c792e9871f94da6d28bf2e2bb8.tar.xz linux-33e0aae11e4854c792e9871f94da6d28bf2e2bb8.zip | |
Merge branch 'mark-irqs' into devel
Conflicts:
drivers/gpio/gpio-em.c
Diffstat (limited to 'drivers/gpio/gpio-em.c')
| -rw-r--r-- | drivers/gpio/gpio-em.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/gpio/gpio-em.c b/drivers/gpio/gpio-em.c index be7e3b92f986..1e98a9873967 100644 --- a/drivers/gpio/gpio-em.c +++ b/drivers/gpio/gpio-em.c @@ -99,6 +99,27 @@ 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) +{ + struct em_gio_priv *p = irq_data_get_irq_chip_data(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 0; +} + +static void em_gio_irq_shutdown(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)); +} + + #define GIO_ASYNC(x) (x + 8) static unsigned char em_gio_sense_table[IRQ_TYPE_SENSE_MASK + 1] = { @@ -338,6 +359,8 @@ 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->flags = IRQCHIP_SKIP_SET_WAKE | IRQCHIP_MASK_ON_SUSPEND; p->irq_domain = irq_domain_add_simple(pdev->dev.of_node, |