Allow people to use gpiolib on ia64, mostly for build coverage as it
seems more useful to standardise on availablity of the API than handle
it being optional.
Signed-off-by: Mark Brown <broonie@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
arch/ia64/Kconfig | 4 +++
arch/ia64/include/asm/gpio.h | 55 ++++++++++++++++++++++++++++++++++++++++++
2 files changed, 59 insertions(+), 0 deletions(-)
create mode 100644 arch/ia64/include/asm/gpio.h
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 38280ef..dbffa42 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -27,6 +27,7 @@ config IA64
select GENERIC_PENDING_IRQ if SMP
select IRQ_PER_CPU
select GENERIC_IRQ_SHOW
+ select ARCH_WANT_OPTINAL_GPIOLIB
default y
help
The Itanium Processor Family is Intel's 64-bit successor to
@@ -89,6 +90,9 @@ config GENERIC_TIME_VSYSCALL
config HAVE_SETUP_PER_CPU_AREA
def_bool y
+config GENERIC_GPIO
+ def_bool y
+
config DMI
bool
default y
diff --git a/arch/ia64/include/asm/gpio.h b/arch/ia64/include/asm/gpio.h
new file mode 100644
index 0000000..590a20d
--- /dev/null
+++ b/arch/ia64/include/asm/gpio.h
@@ -0,0 +1,55 @@
+/*
+ * Generic GPIO API implementation for IA-64.
+ *
+ * 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_IA64_GPIO_H
+#define _ASM_IA64_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_IA64_GPIO_H */
--
1.7.5.3
--
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