diff options
Diffstat (limited to 'include/linux/qpnp-misc.h')
-rw-r--r-- | include/linux/qpnp-misc.h | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/qpnp-misc.h b/include/linux/qpnp-misc.h new file mode 100644 index 000000000000..ab3302f6ea78 --- /dev/null +++ b/include/linux/qpnp-misc.h @@ -0,0 +1,38 @@ +/* Copyright (c) 2013-2014, The Linux Foundation. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 and + * only version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#ifndef __QPNP_MISC_H +#define __QPNP_MISC_H + +#include <linux/errno.h> + +#ifdef CONFIG_QPNP_MISC +/** + * qpnp_misc_irqs_available - check if IRQs are available + * + * @consumer_dev: device struct + * + * This function returns true if the MISC interrupts are available + * based on a check in the MISC peripheral revision registers. + * + * Any consumer of this function needs to reference a MISC device phandle + * using the "qcom,misc-ref" property in their device tree node. + */ + +int qpnp_misc_irqs_available(struct device *consumer_dev); +#else +static int qpnp_misc_irqs_available(struct device *consumer_dev) +{ + return 0; +} +#endif +#endif |