diff options
Diffstat (limited to 'drivers/gpio/gpio-omap.c')
| -rw-r--r-- | drivers/gpio/gpio-omap.c | 42 |
1 files changed, 2 insertions, 40 deletions
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c index 551dfa9d9..b98ede78c 100644 --- a/drivers/gpio/gpio-omap.c +++ b/drivers/gpio/gpio-omap.c @@ -611,51 +611,12 @@ static inline void omap_set_gpio_irqenable(struct gpio_bank *bank, omap_disable_gpio_irqbank(bank, BIT(offset)); } -/* - * Note that ENAWAKEUP needs to be enabled in GPIO_SYSCONFIG register. - * 1510 does not seem to have a wake-up register. If JTAG is connected - * to the target, system will wake up always on GPIO events. While - * system is running all registered GPIO interrupts need to have wake-up - * enabled. When system is suspended, only selected GPIO interrupts need - * to have wake-up enabled. - */ -static int omap_set_gpio_wakeup(struct gpio_bank *bank, unsigned offset, - int enable) -{ - u32 gpio_bit = BIT(offset); - unsigned long flags; - - if (bank->non_wakeup_gpios & gpio_bit) { - dev_err(bank->chip.parent, - "Unable to modify wakeup on non-wakeup GPIO%d\n", - offset); - return -EINVAL; - } - - raw_spin_lock_irqsave(&bank->lock, flags); - if (enable) - bank->context.wake_en |= gpio_bit; - else - bank->context.wake_en &= ~gpio_bit; - - writel_relaxed(bank->context.wake_en, bank->base + bank->regs->wkup_en); - raw_spin_unlock_irqrestore(&bank->lock, flags); - - return 0; -} - /* Use disable_irq_wake() and enable_irq_wake() functions from drivers */ static int omap_gpio_wake_enable(struct irq_data *d, unsigned int enable) { struct gpio_bank *bank = omap_irq_data_get_bank(d); - unsigned offset = d->hwirq; - int ret; - ret = omap_set_gpio_wakeup(bank, offset, enable); - if (!ret) - ret = irq_set_irq_wake(bank->irq, enable); - - return ret; + return irq_set_irq_wake(bank->irq, enable); } static int omap_gpio_request(struct gpio_chip *chip, unsigned offset) @@ -1187,6 +1148,7 @@ static int omap_gpio_probe(struct platform_device *pdev) irqc->irq_bus_lock = omap_gpio_irq_bus_lock, irqc->irq_bus_sync_unlock = gpio_irq_bus_sync_unlock, irqc->name = dev_name(&pdev->dev); + irqc->flags = IRQCHIP_MASK_ON_SUSPEND; bank->irq = platform_get_irq(pdev, 0); if (bank->irq <= 0) { |