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path: root/drivers/gpio/gpio-omap.c
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Diffstat (limited to 'drivers/gpio/gpio-omap.c')
-rw-r--r--drivers/gpio/gpio-omap.c14
1 files changed, 13 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 606b401d2017..b0c57d505be7 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -790,11 +790,23 @@ static unsigned int omap_gpio_irq_startup(struct irq_data *d)
pm_runtime_get_sync(bank->dev);
spin_lock_irqsave(&bank->lock, flags);
- omap_gpio_init_irq(bank, offset);
+
+ if (!LINE_USED(bank->mod_usage, offset))
+ omap_set_gpio_direction(bank, offset, 1);
+ else if (!omap_gpio_is_input(bank, offset))
+ goto err;
+ omap_enable_gpio_module(bank, offset);
+ bank->irq_usage |= BIT(offset);
+
spin_unlock_irqrestore(&bank->lock, flags);
omap_gpio_unmask_irq(d);
return 0;
+err:
+ spin_unlock_irqrestore(&bank->lock, flags);
+ if (!BANK_USED(bank))
+ pm_runtime_put(bank->dev);
+ return -EINVAL;
}
static void omap_gpio_irq_shutdown(struct irq_data *d)