[kernel] r18072 - in dists/trunk/linux-2.6/debian: . patches/bugfix/arm patches/series
Ben Hutchings
benh at alioth.debian.org
Sat Sep 10 03:17:15 UTC 2011
Author: benh
Date: Sat Sep 10 03:17:12 2011
New Revision: 18072
Log:
[armel/ixp4xx] Add gpioblib support (fixes FTBFS)
Added:
dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch
Modified:
dists/trunk/linux-2.6/debian/changelog
dists/trunk/linux-2.6/debian/patches/series/base
Modified: dists/trunk/linux-2.6/debian/changelog
==============================================================================
--- dists/trunk/linux-2.6/debian/changelog Sat Sep 10 00:50:38 2011 (r18071)
+++ dists/trunk/linux-2.6/debian/changelog Sat Sep 10 03:17:12 2011 (r18072)
@@ -5,6 +5,7 @@
[ Ben Hutchings ]
* [ia64] Disable GENERIC_GPIO (fixes FTBFS)
* [i386] libertas: prioritize usb8388_olpc.bin firmware on OLPC machines
+ * [armel/ixp4xx] Add gpioblib support (fixes FTBFS)
-- Ben Hutchings <ben at decadent.org.uk> Mon, 05 Sep 2011 04:18:43 +0100
Added: dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch
==============================================================================
--- /dev/null 00:00:00 1970 (empty, because file is newly added)
+++ dists/trunk/linux-2.6/debian/patches/bugfix/arm/ARM-ixp4xx-gpiolib-support.patch Sat Sep 10 03:17:12 2011 (r18072)
@@ -0,0 +1,158 @@
+From: Imre Kaloz <kaloz at openwrt.org>
+Subject: [RFC/PATCH] ARM: ixp4xx gpiolib support
+Date: Mon, 5 Sep 2011 14:49:51 +0200
+
+This patch adds gpiolib support for the IXP4xx platform
+
+Signed-off-by: Imre Kaloz <kaloz at openwrt.org>
+---
+ arch/arm/Kconfig | 2 +-
+ arch/arm/mach-ixp4xx/common.c | 39 +++++++++++++++++++++++++
+ arch/arm/mach-ixp4xx/include/mach/gpio.h | 46 ++++++++++--------------------
+ 3 files changed, 55 insertions(+), 32 deletions(-)
+
+diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
+index 3269576..e793a75 100644
+--- a/arch/arm/Kconfig
++++ b/arch/arm/Kconfig
+@@ -481,7 +481,7 @@ config ARCH_IXP4XX
+ depends on MMU
+ select CLKSRC_MMIO
+ select CPU_XSCALE
+- select GENERIC_GPIO
++ select ARCH_REQUIRE_GPIOLIB
+ select GENERIC_CLOCKEVENTS
+ select HAVE_SCHED_CLOCK
+ select MIGHT_HAVE_PCI
+diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
+index 0777257..7603456 100644
+--- a/arch/arm/mach-ixp4xx/common.c
++++ b/arch/arm/mach-ixp4xx/common.c
+@@ -36,6 +36,7 @@
+ #include <asm/page.h>
+ #include <asm/irq.h>
+ #include <asm/sched_clock.h>
++#include <asm/gpio.h>
+
+ #include <asm/mach/map.h>
+ #include <asm/mach/irq.h>
+@@ -375,12 +376,50 @@ static struct platform_device *ixp46x_devices[] __initdata = {
+ unsigned long ixp4xx_exp_bus_size;
+ EXPORT_SYMBOL(ixp4xx_exp_bus_size);
+
++static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
++{
++ gpio_line_config(gpio, IXP4XX_GPIO_IN);
++ return 0;
++}
++
++static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
++{
++ gpio_line_set(gpio, level);
++ gpio_line_config(gpio, IXP4XX_GPIO_OUT);
++ return 0;
++}
++
++static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
++{
++ int value;
++
++ gpio_line_get(gpio, &value);
++ return value;
++}
++
++static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
++{
++ gpio_line_set(gpio, value);
++}
++
++static struct gpio_chip ixp4xx_gpio_chip = {
++ .label = "IXP4XX_GPIO_CHIP",
++ .direction_input = ixp4xx_gpio_direction_input,
++ .direction_output = ixp4xx_gpio_direction_output,
++ .get = ixp4xx_gpio_get_value,
++ .set = ixp4xx_gpio_set_value,
++ .base = 0,
++ .ngpio = 16,
++};
++
+ void __init ixp4xx_sys_init(void)
+ {
+ ixp4xx_exp_bus_size = SZ_16M;
+
+ platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
+
++ gpiochip_add(&ixp4xx_gpio_chip);
++
+ if (cpu_is_ixp46x()) {
+ int region;
+
+diff --git a/arch/arm/mach-ixp4xx/include/mach/gpio.h b/arch/arm/mach-ixp4xx/include/mach/gpio.h
+index a5f87de..86f3596 100644
+--- a/arch/arm/mach-ixp4xx/include/mach/gpio.h
++++ b/arch/arm/mach-ixp4xx/include/mach/gpio.h
+@@ -27,47 +27,31 @@
+
+ #include <linux/kernel.h>
+ #include <mach/hardware.h>
++#include <asm-generic/gpio.h> /* cansleep wrappers */
+
+-static inline int gpio_request(unsigned gpio, const char *label)
+-{
+- return 0;
+-}
+-
+-static inline void gpio_free(unsigned gpio)
+-{
+- might_sleep();
+-
+- return;
+-}
+-
+-static inline int gpio_direction_input(unsigned gpio)
+-{
+- gpio_line_config(gpio, IXP4XX_GPIO_IN);
+- return 0;
+-}
+-
+-static inline int gpio_direction_output(unsigned gpio, int level)
+-{
+- gpio_line_set(gpio, level);
+- gpio_line_config(gpio, IXP4XX_GPIO_OUT);
+- return 0;
+-}
++#define NR_BUILTIN_GPIO 16
+
+ static inline int gpio_get_value(unsigned gpio)
+ {
+- int value;
+-
+- gpio_line_get(gpio, &value);
+-
+- return value;
++ if (gpio < NR_BUILTIN_GPIO)
++ {
++ int value;
++ gpio_line_get(gpio, &value);
++ return value;
++ }
++ else
++ return __gpio_get_value(gpio);
+ }
+
+ static inline void gpio_set_value(unsigned gpio, int value)
+ {
+- gpio_line_set(gpio, value);
++ if (gpio < NR_BUILTIN_GPIO)
++ gpio_line_set(gpio, value);
++ else
++ __gpio_set_value(gpio, value);
+ }
+
+-#include <asm-generic/gpio.h> /* cansleep wrappers */
++#define gpio_cansleep __gpio_cansleep
+
+ extern int gpio_to_irq(int gpio);
+ extern int irq_to_gpio(unsigned int irq);
+--
+1.7.1
Modified: dists/trunk/linux-2.6/debian/patches/series/base
==============================================================================
--- dists/trunk/linux-2.6/debian/patches/series/base Sat Sep 10 00:50:38 2011 (r18071)
+++ dists/trunk/linux-2.6/debian/patches/series/base Sat Sep 10 03:17:12 2011 (r18072)
@@ -43,3 +43,4 @@
+ bugfix/alpha/alpha-gpio-GENERIC_GPIO-default-must-be-n.patch
+ bugfix/ia64/ia64-gpio-GENERIC_GPIO-default-must-be-n.patch
+ features/x86/libertas-prioritize-usb8388_olpc.bin-firmware-on-OLPC-machines.patch
++ bugfix/arm/ARM-ixp4xx-gpiolib-support.patch
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