diff options
Diffstat (limited to 'drivers/gpio/gpio-bcm-kona.c')
| -rw-r--r-- | drivers/gpio/gpio-bcm-kona.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/drivers/gpio/gpio-bcm-kona.c b/drivers/gpio/gpio-bcm-kona.c index 54c18c220a60..f32357e2d78d 100644 --- a/drivers/gpio/gpio-bcm-kona.c +++ b/drivers/gpio/gpio-bcm-kona.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2012-2013 Broadcom Corporation + * Copyright (C) 2012-2014 Broadcom Corporation * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as @@ -449,12 +449,34 @@ static void bcm_kona_gpio_irq_handler(unsigned int irq, struct irq_desc *desc) chained_irq_exit(chip, desc); } +static unsigned int bcm_kona_gpio_irq_startup(struct irq_data *d) +{ + struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d); + + if (gpio_lock_as_irq(&kona_gpio->gpio_chip, d->hwirq)) + dev_err(kona_gpio->gpio_chip.dev, + "unable to lock HW IRQ %lu for IRQ\n", + d->hwirq); + bcm_kona_gpio_irq_unmask(d); + return 0; +} + +static void bcm_kona_gpio_irq_shutdown(struct irq_data *d) +{ + struct bcm_kona_gpio *kona_gpio = irq_data_get_irq_chip_data(d); + + bcm_kona_gpio_irq_mask(d); + gpio_unlock_as_irq(&kona_gpio->gpio_chip, d->hwirq); +} + static struct irq_chip bcm_gpio_irq_chip = { .name = "bcm-kona-gpio", .irq_ack = bcm_kona_gpio_irq_ack, .irq_mask = bcm_kona_gpio_irq_mask, .irq_unmask = bcm_kona_gpio_irq_unmask, .irq_set_type = bcm_kona_gpio_irq_set_type, + .irq_startup = bcm_kona_gpio_irq_startup, + .irq_shutdown = bcm_kona_gpio_irq_shutdown, }; static struct __initconst of_device_id bcm_kona_gpio_of_match[] = { @@ -635,6 +657,6 @@ static struct platform_driver bcm_kona_gpio_driver = { module_platform_driver(bcm_kona_gpio_driver); -MODULE_AUTHOR("Broadcom"); +MODULE_AUTHOR("Broadcom Corporation <bcm-kernel-feedback-list@broadcom.com>"); MODULE_DESCRIPTION("Broadcom Kona GPIO Driver"); MODULE_LICENSE("GPL v2"); |