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[PATCH] MIPS: OCTEON: Select ARCH_REQUIRE_GPIOLIB

To: linux-mips@linux-mips.org, ralf@linux-mips.org
Subject: [PATCH] MIPS: OCTEON: Select ARCH_REQUIRE_GPIOLIB
From: David Daney <ddaney.cavm@gmail.com>
Date: Fri, 14 Jun 2013 15:57:54 -0700
Cc: David Daney <david.daney@cavium.com>
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From: David Daney <david.daney@cavium.com>

... and create asm/mach-cavium-octeon/gpio.h so that things continue
to build.

This allows us to use the existing I2C connected GPIO expanders.

Signed-off-by: David Daney <david.daney@cavium.com>
---
 arch/mips/Kconfig                               |  1 +
 arch/mips/include/asm/mach-cavium-octeon/gpio.h | 21 +++++++++++++++++++++
 2 files changed, 22 insertions(+)
 create mode 100644 arch/mips/include/asm/mach-cavium-octeon/gpio.h

diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index b599130..5bd7887 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -751,6 +751,7 @@ config CAVIUM_OCTEON_SOC
        select USB_ARCH_HAS_OHCI
        select USB_ARCH_HAS_EHCI
        select HOLES_IN_ZONE
+       select ARCH_REQUIRE_GPIOLIB
        help
          This option supports all of the Octeon reference boards from Cavium
          Networks. It builds a kernel that dynamically determines the Octeon
diff --git a/arch/mips/include/asm/mach-cavium-octeon/gpio.h 
b/arch/mips/include/asm/mach-cavium-octeon/gpio.h
new file mode 100644
index 0000000..34e9f7a
--- /dev/null
+++ b/arch/mips/include/asm/mach-cavium-octeon/gpio.h
@@ -0,0 +1,21 @@
+#ifndef __ASM_MACH_CAVIUM_OCTEON_GPIO_H
+#define __ASM_MACH_CAVIUM_OCTEON_GPIO_H
+
+#ifdef CONFIG_GPIOLIB
+#define gpio_get_value __gpio_get_value
+#define gpio_set_value __gpio_set_value
+#define gpio_cansleep  __gpio_cansleep
+#else
+int gpio_request(unsigned gpio, const char *label);
+void gpio_free(unsigned gpio);
+int gpio_direction_input(unsigned gpio);
+int gpio_direction_output(unsigned gpio, int value);
+int gpio_get_value(unsigned gpio);
+void gpio_set_value(unsigned gpio, int value);
+#endif
+
+#include <asm-generic/gpio.h>
+
+#define gpio_to_irq    __gpio_to_irq
+
+#endif /* __ASM_MACH_GENERIC_GPIO_H */
-- 
1.7.11.7


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