The patch titled
frv: hook up gpiolib support
has been added to the -mm tree. Its filename is
frv-hook-up-gpiolib-support.patch
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------------------------------------------------------
Subject: frv: hook up gpiolib support
From: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Allow people to use gpiolib on FRV, mostly for build coverage as it seems
more useful to standardise the API than handle making it optional.
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
Acked-by: Grant Likely <grant.likely@xxxxxxxxxxxx>
Cc: David Howells <dhowells@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---
arch/frv/Kconfig | 4 ++
arch/frv/include/asm/gpio.h | 55 ++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+)
diff -puN arch/frv/Kconfig~frv-hook-up-gpiolib-support arch/frv/Kconfig
--- a/arch/frv/Kconfig~frv-hook-up-gpiolib-support
+++ a/arch/frv/Kconfig
@@ -7,6 +7,7 @@ config FRV
select HAVE_PERF_EVENTS
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
+ select ARCH_WANT_OPTIONAL_GPIO
config ZONE_DMA
bool
@@ -27,6 +28,9 @@ config GENERIC_CALIBRATE_DELAY
bool
default n
+config GENERIC_GPIO
+ def_bool y
+
config TIME_LOW_RES
bool
default y
diff -puN /dev/null arch/frv/include/asm/gpio.h
--- /dev/null
+++ a/arch/frv/include/asm/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * Generic GPIO API implementation for FRV.
+ *
+ * A stright copy of that for PowerPC which was:
+ *
+ * Copyright (c) 2007-2008 MontaVista Software, Inc.
+ *
+ * Author: Anton Vorontsov <avorontsov@xxxxxxxxxxxxx>
+ *
+ * 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_FRV_GPIO_H
+#define _ASM_FRV_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);
+}
+
+static inline int gpio_to_irq(unsigned int gpio)
+{
+ return __gpio_to_irq(gpio);
+}
+
+static inline int irq_to_gpio(unsigned int irq)
+{
+ return -EINVAL;
+}
+
+#endif /* CONFIG_GPIOLIB */
+
+#endif /* _ASM_FRV_GPIO_H */
_
Patches currently in -mm which might be from broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx are
origin.patch
linux-next.patch
frv-hook-up-gpiolib-support.patch
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