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authorIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 12:57:01 +0200
commit6de9c70882ecdee63a652d493bf2353963bd4c22 (patch)
tree9d219e705492331c97f5f7dccce3b0b1a29251bf /arch/powerpc/include/asm/gpio.h
parentd406d21d90dce2e66c7eb4a44605aac947fe55fb (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
downloadkernel-crypto-6de9c70882ecdee63a652d493bf2353963bd4c22.tar.gz
kernel-crypto-6de9c70882ecdee63a652d493bf2353963bd4c22.tar.xz
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Merge branch 'linus' into x86/cleanups
Diffstat (limited to 'arch/powerpc/include/asm/gpio.h')
-rw-r--r--arch/powerpc/include/asm/gpio.h56
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/gpio.h
new file mode 100644
index 00000000000..ea04632399d
--- /dev/null
+++ b/arch/powerpc/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 */