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-rw-r--r--include/linux/qpnp-misc.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/include/linux/qpnp-misc.h b/include/linux/qpnp-misc.h
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+++ b/include/linux/qpnp-misc.h
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+/* 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