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authorIngo Molnar <mingo@elte.hu>2009-04-14 00:02:16 +0200
committerIngo Molnar <mingo@elte.hu>2009-04-14 00:02:22 +0200
commitb5c851a88a369854c04e511cefb84ea2d0cfa209 (patch)
tree55084d3d51708f90f27d0a70db5ab63916942f14 /arch/microblaze/include/asm/gpio.h
parenteb02ce017dd83985041a7e54c6449f92d53b026f (diff)
parent80a04d3f2f94fb68b5df05e3ac6697130bc3467a (diff)
Merge branch 'linus' into tracing/core
Merge reason: merge latest tracing fixes to avoid conflicts in kernel/trace/trace_events_filter.c with upcoming change Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/microblaze/include/asm/gpio.h')
-rw-r--r--arch/microblaze/include/asm/gpio.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/microblaze/include/asm/gpio.h b/arch/microblaze/include/asm/gpio.h
new file mode 100644
index 00000000000..ea04632399d
--- /dev/null
+++ b/arch/microblaze/include/asm/gpio.h
@@ -0,0 +1,56 @@
+/*
+ * Generic GPIO API implementation for PowerPC.
+ *
+ * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@ru.mvista.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#ifndef __ASM_POWERPC_GPIO_H
+#define __ASM_POWERPC_GPIO_H
+
+#include <linux/errno.h>
+#include <asm-generic/gpio.h>
+
+#ifdef CONFIG_GPIOLIB
+
+/*
+ * We don't (yet) implement inlined/rapid versions for on-chip gpios.
+ * Just call gpiolib.
+ */
+static inline int gpio_get_value(unsigned int gpio)
+{
+ return __gpio_get_value(gpio);
+}
+
+static inline void gpio_set_value(unsigned int gpio, int value)
+{
+ __gpio_set_value(gpio, value);
+}
+
+static inline int gpio_cansleep(unsigned int gpio)
+{
+ return __gpio_cansleep(gpio);
+}
+
+/*
+ * Not implemented, yet.
+ */
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return -ENOSYS;
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* __ASM_POWERPC_GPIO_H */