diff options
Diffstat (limited to 'arch/mips/bcm47xx/gpio.c')
| -rw-r--r-- | arch/mips/bcm47xx/gpio.c | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/arch/mips/bcm47xx/gpio.c b/arch/mips/bcm47xx/gpio.c deleted file mode 100644 index e4a5ee9c972..00000000000 --- a/arch/mips/bcm47xx/gpio.c +++ /dev/null @@ -1,61 +0,0 @@ -/* - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * - * Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net> - */ - -#include <linux/ssb/ssb.h> -#include <linux/ssb/ssb_driver_chipcommon.h> -#include <linux/ssb/ssb_driver_extif.h> -#include <asm/mach-bcm47xx/bcm47xx.h> -#include <asm/mach-bcm47xx/gpio.h> - -#if (BCM47XX_CHIPCO_GPIO_LINES > BCM47XX_EXTIF_GPIO_LINES) -static DECLARE_BITMAP(gpio_in_use, BCM47XX_CHIPCO_GPIO_LINES); -#else -static DECLARE_BITMAP(gpio_in_use, BCM47XX_EXTIF_GPIO_LINES); -#endif - -int gpio_request(unsigned gpio, const char *tag) -{ - if (ssb_chipco_available(&ssb_bcm47xx.chipco) && - ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) - return -EINVAL; - - if (ssb_extif_available(&ssb_bcm47xx.extif) && - ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) - return -EINVAL; - - if (test_and_set_bit(gpio, gpio_in_use)) - return -EBUSY; - - return 0; -} -EXPORT_SYMBOL(gpio_request); - -void gpio_free(unsigned gpio) -{ - if (ssb_chipco_available(&ssb_bcm47xx.chipco) && - ((unsigned)gpio >= BCM47XX_CHIPCO_GPIO_LINES)) - return; - - if (ssb_extif_available(&ssb_bcm47xx.extif) && - ((unsigned)gpio >= BCM47XX_EXTIF_GPIO_LINES)) - return; - - clear_bit(gpio, gpio_in_use); -} -EXPORT_SYMBOL(gpio_free); - -int gpio_to_irq(unsigned gpio) -{ - if (ssb_chipco_available(&ssb_bcm47xx.chipco)) - return ssb_mips_irq(ssb_bcm47xx.chipco.dev) + 2; - else if (ssb_extif_available(&ssb_bcm47xx.extif)) - return ssb_mips_irq(ssb_bcm47xx.extif.dev) + 2; - else - return -EINVAL; -} -EXPORT_SYMBOL_GPL(gpio_to_irq); |
