omap24xx: remove 3.1 support

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@31890 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 0 insertions, 897 deletions

diff --git a/target/linux/omap24xx/patches-3.1/200-omap-platform.patch b/target/linux/omap24xx/patches-3.1/200-omap-platform.patch
deleted file mode 100644
index 9a2e9436f..000000000
--- a/target/linux/omap24xx/patches-3.1/200-omap-platform.patch
+++ /dev/null
@@ -1,897 +0,0 @@
---- /dev/null
-+++ b/arch/arm/plat-omap/bootreason.c
-@@ -0,0 +1,79 @@
-+/*
-+ * linux/arch/arm/plat-omap/bootreason.c
-+ *
-+ * OMAP Bootreason passing
-+ *
-+ * Copyright (c) 2004 Nokia
-+ *
-+ * Written by David Weinehall <david.weinehall@nokia.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.
-+ *
-+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
-+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
-+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
-+ * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-+ * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
-+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-+ *
-+ * You should have received a copy of the GNU General Public License along
-+ * with this program; if not, write to the Free Software Foundation, Inc.,
-+ * 675 Mass Ave, Cambridge, MA 02139, USA.
-+ */
-+#include <linux/proc_fs.h>
-+#include <linux/errno.h>
-+#include <plat/board.h>
-+
-+static char boot_reason[16];
-+
-+static int omap_bootreason_read_proc(char *page, char **start, off_t off,
-+					 int count, int *eof, void *data)
-+{
-+	int len = 0;
-+
-+	len += sprintf(page + len, "%s\n", boot_reason);
-+
-+	*start = page + off;
-+
-+	if (len > off)
-+		len -= off;
-+	else
-+		len = 0;
-+
-+	return len < count ? len  : count;
-+}
-+
-+static int __init bootreason_init(void)
-+{
-+	const struct omap_boot_reason_config *cfg;
-+	int reason_valid = 0;
-+
-+	cfg = omap_get_config(OMAP_TAG_BOOT_REASON, struct omap_boot_reason_config);
-+	if (cfg != NULL) {
-+		strncpy(boot_reason, cfg->reason_str, sizeof(cfg->reason_str));
-+		boot_reason[sizeof(cfg->reason_str)] = 0;
-+		reason_valid = 1;
-+	} else {
-+		/* Read the boot reason from the OMAP registers */
-+	}
-+
-+	if (!reason_valid)
-+		return -ENOENT;
-+
-+	printk(KERN_INFO "Bootup reason: %s\n", boot_reason);
-+
-+	if (!create_proc_read_entry("bootreason", S_IRUGO, NULL,
-+					omap_bootreason_read_proc, NULL))
-+		return -ENOMEM;
-+
-+	return 0;
-+}
-+
-+late_initcall(bootreason_init);
---- a/arch/arm/plat-omap/common.c
-+++ b/arch/arm/plat-omap/common.c
-@@ -21,18 +21,90 @@
- #include <plat/vram.h>
- #include <plat/dsp.h>
- 
-+#include <asm/setup.h>
-+
- 
- #define NO_LENGTH_CHECK 0xffffffff
- 
- struct omap_board_config_kernel *omap_board_config __initdata;
- int omap_board_config_size;
- 
-+unsigned char omap_bootloader_tag[1024];
-+int omap_bootloader_tag_len;
-+
-+/* used by omap-smp.c and board-4430sdp.c */
-+void __iomem *gic_cpu_base_addr;
-+
-+#ifdef CONFIG_OMAP_BOOT_TAG
-+
-+static int __init parse_tag_omap(const struct tag *tag)
-+{
-+	u32 size = tag->hdr.size - (sizeof(tag->hdr) >> 2);
-+
-+        size <<= 2;
-+	if (size > sizeof(omap_bootloader_tag))
-+		return -1;
-+
-+	memcpy(omap_bootloader_tag, tag->u.omap.data, size);
-+	omap_bootloader_tag_len = size;
-+
-+        return 0;
-+}
-+
-+__tagtable(ATAG_BOARD, parse_tag_omap);
-+
-+#endif
-+
- static const void *__init get_config(u16 tag, size_t len,
- 		int skip, size_t *len_out)
- {
- 	struct omap_board_config_kernel *kinfo = NULL;
- 	int i;
- 
-+#ifdef CONFIG_OMAP_BOOT_TAG
-+	struct omap_board_config_entry *info = NULL;
-+
-+	if (omap_bootloader_tag_len > 4)
-+		info = (struct omap_board_config_entry *) omap_bootloader_tag;
-+	while (info != NULL) {
-+		u8 *next;
-+
-+		if (info->tag == tag) {
-+			if (skip == 0)
-+				break;
-+			skip--;
-+		}
-+
-+		if ((info->len & 0x03) != 0) {
-+			/* We bail out to avoid an alignment fault */
-+			printk(KERN_ERR "OMAP peripheral config: Length (%d) not word-aligned (tag %04x)\n",
-+			       info->len, info->tag);
-+			return NULL;
-+		}
-+		next = (u8 *) info + sizeof(*info) + info->len;
-+		if (next >= omap_bootloader_tag + omap_bootloader_tag_len)
-+			info = NULL;
-+		else
-+			info = (struct omap_board_config_entry *) next;
-+	}
-+	if (info != NULL) {
-+		/* Check the length as a lame attempt to check for
-+		 * binary inconsistency. */
-+		if (len != NO_LENGTH_CHECK) {
-+			/* Word-align len */
-+			if (len & 0x03)
-+				len = (len + 3) & ~0x03;
-+			if (info->len != len) {
-+				printk(KERN_ERR "OMAP peripheral config: Length mismatch with tag %x (want %d, got %d)\n",
-+				       tag, len, info->len);
-+				return NULL;
-+			}
-+		}
-+		if (len_out != NULL)
-+			*len_out = info->len;
-+		return info->data;
-+	}
-+#endif
- 	/* Try to find the config from the board-specific structures
- 	 * in the kernel. */
- 	for (i = 0; i < omap_board_config_size; i++) {
---- /dev/null
-+++ b/arch/arm/plat-omap/component-version.c
-@@ -0,0 +1,64 @@
-+/*
-+ *  linux/arch/arm/plat-omap/component-version.c
-+ *
-+ *  Copyright (C) 2005 Nokia Corporation
-+ *  Written by Juha Yrjölä <juha.yrjola@nokia.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/init.h>
-+#include <linux/module.h>
-+#include <linux/err.h>
-+#include <linux/proc_fs.h>
-+#include <plat/board.h>
-+
-+static int component_version_read_proc(char *page, char **start, off_t off,
-+				       int count, int *eof, void *data)
-+{
-+	int len, i;
-+	const struct omap_version_config *ver;
-+	char *p;
-+
-+	i = 0;
-+	p = page;
-+	while ((ver = omap_get_nr_config(OMAP_TAG_VERSION_STR,
-+					 struct omap_version_config, i)) != NULL) {
-+		p += sprintf(p, "%-12s%s\n", ver->component, ver->version);
-+		i++;
-+	}
-+
-+	len = (p - page) - off;
-+	if (len < 0)
-+		len = 0;
-+
-+	*eof = (len <= count) ? 1 : 0;
-+	*start = page + off;
-+
-+	return len;
-+}
-+
-+static int __init component_version_init(void)
-+{
-+	if (omap_get_config(OMAP_TAG_VERSION_STR, struct omap_version_config) == NULL)
-+		return -ENODEV;
-+	if (!create_proc_read_entry("component_version", S_IRUGO, NULL,
-+				    component_version_read_proc, NULL))
-+		return -ENOMEM;
-+
-+	return 0;
-+}
-+
-+static void __exit component_version_exit(void)
-+{
-+	remove_proc_entry("component_version", NULL);
-+}
-+
-+late_initcall(component_version_init);
-+module_exit(component_version_exit);
-+
-+MODULE_AUTHOR("Juha Yrjölä <juha.yrjola@nokia.com>");
-+MODULE_DESCRIPTION("Component version driver");
-+MODULE_LICENSE("GPL");
---- a/arch/arm/plat-omap/Kconfig
-+++ b/arch/arm/plat-omap/Kconfig
-@@ -82,6 +82,38 @@ config OMAP_RESET_CLOCKS
- 	  probably do not want this option enabled until your
- 	  device drivers work properly.
- 
-+config OMAP_BOOT_TAG
-+	bool "OMAP bootloader information passing"
-+        depends on ARCH_OMAP
-+        default n
-+        help
-+          Say Y, if you have a bootloader which passes information
-+          about your board and its peripheral configuration.
-+
-+config OMAP_BOOT_REASON
-+	bool "Support for boot reason"
-+        depends on OMAP_BOOT_TAG
-+        default n
-+        help
-+          Say Y, if you want to have a procfs entry for reading the boot
-+          reason in user-space.
-+
-+config OMAP_COMPONENT_VERSION
-+	bool "Support for component version display"
-+	depends on OMAP_BOOT_TAG && PROC_FS
-+	default n
-+	help
-+	  Say Y, if you want to have a procfs entry for reading component
-+	  versions (supplied by the bootloader) in user-space.
-+
-+config OMAP_GPIO_SWITCH
-+	bool "GPIO switch support"
-+	help
-+	  Say Y, if you want to have support for reporting of GPIO
-+	  switches (e.g. cover switches) via sysfs. Your bootloader has
-+	  to provide information about the switches to the kernel via the
-+	  ATAG_BOARD mechanism if they're not defined by the board config.
-+
- config OMAP_MUX
- 	bool "OMAP multiplexing support"
- 	depends on ARCH_OMAP
---- a/arch/arm/plat-omap/Makefile
-+++ b/arch/arm/plat-omap/Makefile
-@@ -23,6 +23,9 @@ obj-$(CONFIG_OMAP_IOMMU_DEBUG) += iommu-
- 
- obj-$(CONFIG_CPU_FREQ) += cpu-omap.o
- obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o
-+obj-$(CONFIG_OMAP_BOOT_REASON) += bootreason.o
-+obj-$(CONFIG_OMAP_COMPONENT_VERSION) += component-version.o
-+obj-$(CONFIG_OMAP_GPIO_SWITCH) += gpio-switch.o
- obj-$(CONFIG_OMAP_DEBUG_DEVICES) += debug-devices.o
- obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o
- i2c-omap-$(CONFIG_I2C_OMAP) := i2c.o
---- a/arch/arm/include/asm/setup.h
-+++ b/arch/arm/include/asm/setup.h
-@@ -136,6 +136,13 @@ struct tag_acorn {
- 	__u8 adfsdrives;
- };
- 
-+/* TI OMAP specific information */
-+#define ATAG_BOARD       0x414f4d50
-+
-+struct tag_omap {
-+	u8 data[0];
-+};
-+
- /* footbridge memory clock, see arch/arm/mach-footbridge/arch.c */
- #define ATAG_MEMCLK	0x41000402
- 
-@@ -162,6 +169,11 @@ struct tag {
- 		struct tag_acorn	acorn;
- 
- 		/*
-+		 * OMAP specific
-+                 */
-+                struct tag_omap         omap;
-+
-+		/*
- 		 * DC21285 specific
- 		 */
- 		struct tag_memclk	memclk;
---- /dev/null
-+++ b/arch/arm/plat-omap/gpio-switch.c
-@@ -0,0 +1,554 @@
-+/*
-+ *  linux/arch/arm/plat-omap/gpio-switch.c
-+ *
-+ *  Copyright (C) 2004-2006 Nokia Corporation
-+ *  Written by Juha Yrjölä <juha.yrjola@nokia.com>
-+ *         and Paul Mundt <paul.mundt@nokia.com>
-+ *
-+ * This program is free software; you can redistribute it and/or modify
-+ * it under the terms of the GNU General Public License version 2 as
-+ * published by the Free Software Foundation.
-+ */
-+
-+#include <linux/sched.h>
-+#include <linux/init.h>
-+#include <linux/list.h>
-+#include <linux/irq.h>
-+#include <linux/interrupt.h>
-+#include <linux/module.h>
-+#include <linux/platform_device.h>
-+#include <linux/timer.h>
-+#include <linux/err.h>
-+#include <linux/slab.h>
-+#include <linux/gpio.h>
-+#include <plat/hardware.h>
-+#include <plat/irqs.h>
-+#include <plat/mux.h>
-+#include <plat/board.h>
-+#include <plat/gpio-switch.h>
-+
-+struct gpio_switch {
-+	char		name[14];
-+	u16		gpio;
-+	unsigned	flags:4;
-+	unsigned	type:4;
-+	unsigned	state:1;
-+	unsigned	both_edges:1;
-+
-+	u16		debounce_rising;
-+	u16		debounce_falling;
-+
-+	void (* notify)(void *data, int state);
-+	void *notify_data;
-+
-+	struct work_struct	work;
-+	struct timer_list	timer;
-+	struct platform_device	pdev;
-+
-+	struct list_head	node;
-+};
-+
-+static LIST_HEAD(gpio_switches);
-+static struct platform_device *gpio_sw_platform_dev;
-+static struct platform_driver gpio_sw_driver;
-+
-+static const struct omap_gpio_switch *board_gpio_sw_table;
-+static int board_gpio_sw_count;
-+
-+static const char *cover_str[2] = { "open", "closed" };
-+static const char *connection_str[2] = { "disconnected", "connected" };
-+static const char *activity_str[2] = { "inactive", "active" };
-+
-+/*
-+ * GPIO switch state default debounce delay in ms
-+ */
-+#define OMAP_GPIO_SW_DEFAULT_DEBOUNCE		10
-+
-+static const char **get_sw_str(struct gpio_switch *sw)
-+{
-+	switch (sw->type) {
-+	case OMAP_GPIO_SWITCH_TYPE_COVER:
-+		return cover_str;
-+	case OMAP_GPIO_SWITCH_TYPE_CONNECTION:
-+		return connection_str;
-+	case OMAP_GPIO_SWITCH_TYPE_ACTIVITY:
-+		return activity_str;
-+	default:
-+		BUG();
-+		return NULL;
-+	}
-+}
-+
-+static const char *get_sw_type(struct gpio_switch *sw)
-+{
-+	switch (sw->type) {
-+	case OMAP_GPIO_SWITCH_TYPE_COVER:
-+		return "cover";
-+	case OMAP_GPIO_SWITCH_TYPE_CONNECTION:
-+		return "connection";
-+	case OMAP_GPIO_SWITCH_TYPE_ACTIVITY:
-+		return "activity";
-+	default:
-+		BUG();
-+		return NULL;
-+	}
-+}
-+
-+static void print_sw_state(struct gpio_switch *sw, int state)
-+{
-+	const char **str;
-+
-+	str = get_sw_str(sw);
-+	if (str != NULL)
-+		printk(KERN_INFO "%s (GPIO %d) is now %s\n", sw->name, sw->gpio, str[state]);
-+}
-+
-+static int gpio_sw_get_state(struct gpio_switch *sw)
-+{
-+	int state;
-+
-+	state = gpio_get_value(sw->gpio);
-+	if (sw->flags & OMAP_GPIO_SWITCH_FLAG_INVERTED)
-+		state = !state;
-+
-+	return state;
-+}
-+
-+static ssize_t gpio_sw_state_store(struct device *dev,
-+				   struct device_attribute *attr,
-+				   const char *buf,
-+				   size_t count)
-+{
-+	struct gpio_switch *sw = dev_get_drvdata(dev);
-+	const char **str;
-+	char state[16];
-+	int enable;
-+
-+	if (!(sw->flags & OMAP_GPIO_SWITCH_FLAG_OUTPUT))
-+		return -EPERM;
-+
-+	if (sscanf(buf, "%15s", state) != 1)
-+		return -EINVAL;
-+
-+	str = get_sw_str(sw);
-+	if (strcmp(state, str[0]) == 0)
-+		sw->state = enable = 0;
-+	else if (strcmp(state, str[1]) == 0)
-+		sw->state = enable = 1;
-+	else
-+		return -EINVAL;
-+
-+	if (sw->flags & OMAP_GPIO_SWITCH_FLAG_INVERTED)
-+		enable = !enable;
-+	gpio_set_value(sw->gpio, enable);
-+
-+	return count;
-+}
-+
-+static ssize_t gpio_sw_state_show(struct device *dev,
-+				  struct device_attribute *attr,
-+				  char *buf)
-+{
-+	struct gpio_switch *sw = dev_get_drvdata(dev);
-+	const char **str;
-+
-+	str = get_sw_str(sw);
-+	return sprintf(buf, "%s\n", str[sw->state]);
-+}
-+
-+static DEVICE_ATTR(state, S_IRUGO | S_IWUSR, gpio_sw_state_show,
-+		   gpio_sw_state_store);
-+
-+static ssize_t gpio_sw_type_show(struct device *dev,
-+				 struct device_attribute *attr,
-+				 char *buf)
-+{
-+	struct gpio_switch *sw = dev_get_drvdata(dev);
-+
-+	return sprintf(buf, "%s\n", get_sw_type(sw));
-+}
-+
-+static DEVICE_ATTR(type, S_IRUGO, gpio_sw_type_show, NULL);
-+
-+static ssize_t gpio_sw_direction_show(struct device *dev,
-+				      struct device_attribute *attr,
-+				      char *buf)
-+{
-+	struct gpio_switch *sw = dev_get_drvdata(dev);
-+	int is_output;
-+
-+	is_output = sw->flags & OMAP_GPIO_SWITCH_FLAG_OUTPUT;
-+	return sprintf(buf, "%s\n", is_output ? "output" : "input");
-+}
-+
-+static DEVICE_ATTR(direction, S_IRUGO, gpio_sw_direction_show, NULL);
-+
-+
-+static irqreturn_t gpio_sw_irq_handler(int irq, void *arg)
-+{
-+	struct gpio_switch *sw = arg;
-+	unsigned long timeout;
-+	int state;
-+
-+	if (!sw->both_edges) {
-+		if (gpio_get_value(sw->gpio))
-+			irq_set_irq_type(OMAP_GPIO_IRQ(sw->gpio), IRQ_TYPE_EDGE_FALLING);
-+		else
-+			irq_set_irq_type(OMAP_GPIO_IRQ(sw->gpio), IRQ_TYPE_EDGE_RISING);
-+	}
-+
-+	state = gpio_sw_get_state(sw);
-+	if (sw->state == state)
-+		return IRQ_HANDLED;
-+
-+	if (state)
-+		timeout = sw->debounce_rising;
-+	else
-+		timeout = sw->debounce_falling;
-+	if (!timeout)
-+		schedule_work(&sw->work);
-+	else
-+		mod_timer(&sw->timer, jiffies + msecs_to_jiffies(timeout));
-+
-+	return IRQ_HANDLED;
-+}
-+
-+static void gpio_sw_timer(unsigned long arg)
-+{
-+	struct gpio_switch *sw = (struct gpio_switch *) arg;
-+
-+	schedule_work(&sw->work);
-+}
-+
-+static void gpio_sw_handler(struct work_struct *work)
-+{
-+	struct gpio_switch *sw = container_of(work, struct gpio_switch, work);
-+	int state;
-+
-+	state = gpio_sw_get_state(sw);
-+	if (sw->state == state)
-+		return;
-+
-+	sw->state = state;
-+	if (sw->notify != NULL)
-+		sw->notify(sw->notify_data, state);
-+	sysfs_notify(&sw->pdev.dev.kobj, NULL, "state");
-+	print_sw_state(sw, state);
-+}
-+
-+static int __init can_do_both_edges(struct gpio_switch *sw)
-+{
-+	if (!cpu_class_is_omap1())
-+		return 1;
-+	if (OMAP_GPIO_IS_MPUIO(sw->gpio))
-+		return 0;
-+	else
-+		return 1;
-+}
-+
-+static void gpio_sw_release(struct device *dev)
-+{
-+}
-+
-+static int __init new_switch(struct gpio_switch *sw)
-+{
-+	int r, direction, trigger;
-+
-+	switch (sw->type) {
-+	case OMAP_GPIO_SWITCH_TYPE_COVER:
-+	case OMAP_GPIO_SWITCH_TYPE_CONNECTION:
-+	case OMAP_GPIO_SWITCH_TYPE_ACTIVITY:
-+		break;
-+	default:
-+		printk(KERN_ERR "invalid GPIO switch type: %d\n", sw->type);
-+		return -EINVAL;
-+	}
-+
-+	sw->pdev.name	= sw->name;
-+	sw->pdev.id	= -1;
-+
-+	sw->pdev.dev.parent = &gpio_sw_platform_dev->dev;
-+	sw->pdev.dev.driver = &gpio_sw_driver.driver;
-+	sw->pdev.dev.release = gpio_sw_release;
-+
-+	r = platform_device_register(&sw->pdev);
-+	if (r) {
-+		printk(KERN_ERR "gpio-switch: platform device registration "
-+		       "failed for %s", sw->name);
-+		return r;
-+	}
-+	dev_set_drvdata(&sw->pdev.dev, sw);
-+
-+	r = gpio_request(sw->gpio, "gpio-switch");
-+	if (r < 0) {
-+		platform_device_unregister(&sw->pdev);
-+		return r;
-+	}
-+
-+	/* input: 1, output: 0 */
-+	direction = !(sw->flags & OMAP_GPIO_SWITCH_FLAG_OUTPUT);
-+	if (direction)
-+		gpio_direction_input(sw->gpio);
-+	else
-+		gpio_direction_output(sw->gpio, 0);
-+
-+	sw->state = gpio_sw_get_state(sw);
-+
-+	r = 0;
-+	r |= device_create_file(&sw->pdev.dev, &dev_attr_state);
-+	r |= device_create_file(&sw->pdev.dev, &dev_attr_type);
-+	r |= device_create_file(&sw->pdev.dev, &dev_attr_direction);
-+	if (r)
-+		printk(KERN_ERR "gpio-switch: attribute file creation "
-+		       "failed for %s\n", sw->name);
-+
-+	if (!direction)
-+		return 0;
-+
-+	if (can_do_both_edges(sw)) {
-+		trigger = IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING;
-+		sw->both_edges = 1;
-+	} else {
-+		if (gpio_get_value(sw->gpio))
-+			trigger = IRQF_TRIGGER_FALLING;
-+		else
-+			trigger = IRQF_TRIGGER_RISING;
-+	}
-+	r = request_irq(OMAP_GPIO_IRQ(sw->gpio), gpio_sw_irq_handler,
-+			IRQF_SHARED | trigger, sw->name, sw);
-+	if (r < 0) {
-+		printk(KERN_ERR "gpio-switch: request_irq() failed "
-+		       "for GPIO %d\n", sw->gpio);
-+		platform_device_unregister(&sw->pdev);
-+		gpio_free(sw->gpio);
-+		return r;
-+	}
-+
-+	INIT_WORK(&sw->work, gpio_sw_handler);
-+	init_timer(&sw->timer);
-+
-+	sw->timer.function = gpio_sw_timer;
-+	sw->timer.data = (unsigned long)sw;
-+
-+	list_add(&sw->node, &gpio_switches);
-+
-+	return 0;
-+}
-+
-+static int __init add_atag_switches(void)
-+{
-+	const struct omap_gpio_switch_config *cfg;
-+	struct gpio_switch *sw;
-+	int i, r;
-+
-+	for (i = 0; ; i++) {
-+		cfg = omap_get_nr_config(OMAP_TAG_GPIO_SWITCH,
-+					 struct omap_gpio_switch_config, i);
-+		if (cfg == NULL)
-+			break;
-+		sw = kzalloc(sizeof(*sw), GFP_KERNEL);
-+		if (sw == NULL) {
-+			printk(KERN_ERR "gpio-switch: kmalloc failed\n");
-+			return -ENOMEM;
-+		}
-+		strncpy(sw->name, cfg->name, sizeof(cfg->name));
-+		sw->gpio = cfg->gpio;
-+		sw->flags = cfg->flags;
-+		sw->type = cfg->type;
-+		sw->debounce_rising = OMAP_GPIO_SW_DEFAULT_DEBOUNCE;
-+		sw->debounce_falling = OMAP_GPIO_SW_DEFAULT_DEBOUNCE;
-+		if ((r = new_switch(sw)) < 0) {
-+			kfree(sw);
-+			return r;
-+		}
-+	}
-+	return 0;
-+}
-+
-+static struct gpio_switch * __init find_switch(int gpio, const char *name)
-+{
-+	struct gpio_switch *sw;
-+
-+	list_for_each_entry(sw, &gpio_switches, node) {
-+		if ((gpio < 0 || sw->gpio != gpio) &&
-+		    (name == NULL || strcmp(sw->name, name) != 0))
-+			continue;
-+
-+		if (gpio < 0 || name == NULL)
-+			goto no_check;
-+
-+		if (strcmp(sw->name, name) != 0)
-+			printk("gpio-switch: name mismatch for %d (%s, %s)\n",
-+			       gpio, name, sw->name);
-+		else if (sw->gpio != gpio)
-+			printk("gpio-switch: GPIO mismatch for %s (%d, %d)\n",
-+			       name, gpio, sw->gpio);
-+no_check:
-+		return sw;
-+	}
-+	return NULL;
-+}
-+
-+static int __init add_board_switches(void)
-+{
-+	int i;
-+
-+	for (i = 0; i < board_gpio_sw_count; i++) {
-+		const struct omap_gpio_switch *cfg;
-+		struct gpio_switch *sw;
-+		int r;
-+
-+		cfg = board_gpio_sw_table + i;
-+		if (strlen(cfg->name) > sizeof(sw->name) - 1)
-+			return -EINVAL;
-+		/* Check whether we only update an existing switch
-+		 * or add a new switch. */
-+		sw = find_switch(cfg->gpio, cfg->name);
-+		if (sw != NULL) {
-+			sw->debounce_rising = cfg->debounce_rising;
-+			sw->debounce_falling = cfg->debounce_falling;
-+			sw->notify = cfg->notify;
-+			sw->notify_data = cfg->notify_data;
-+			continue;
-+		} else {
-+			if (cfg->gpio < 0 || cfg->name == NULL) {
-+				printk("gpio-switch: required switch not "
-+				       "found (%d, %s)\n", cfg->gpio,
-+				       cfg->name);
-+				continue;
-+			}
-+		}
-+		sw = kzalloc(sizeof(*sw), GFP_KERNEL);
-+		if (sw == NULL) {
-+			printk(KERN_ERR "gpio-switch: kmalloc failed\n");
-+			return -ENOMEM;
-+		}
-+		strlcpy(sw->name, cfg->name, sizeof(sw->name));
-+		sw->gpio = cfg->gpio;
-+		sw->flags = cfg->flags;
-+		sw->type = cfg->type;
-+		sw->debounce_rising = cfg->debounce_rising;
-+		sw->debounce_falling = cfg->debounce_falling;
-+		sw->notify = cfg->notify;
-+		sw->notify_data = cfg->notify_data;
-+		if ((r = new_switch(sw)) < 0) {
-+			kfree(sw);
-+			return r;
-+		}
-+	}
-+	return 0;
-+}
-+
-+static void gpio_sw_cleanup(void)
-+{
-+	struct gpio_switch *sw = NULL, *old = NULL;
-+
-+	list_for_each_entry(sw, &gpio_switches, node) {
-+		if (old != NULL)
-+			kfree(old);
-+		flush_scheduled_work();
-+		del_timer_sync(&sw->timer);
-+
-+		free_irq(OMAP_GPIO_IRQ(sw->gpio), sw);
-+
-+		device_remove_file(&sw->pdev.dev, &dev_attr_state);
-+		device_remove_file(&sw->pdev.dev, &dev_attr_type);
-+		device_remove_file(&sw->pdev.dev, &dev_attr_direction);
-+
-+		platform_device_unregister(&sw->pdev);
-+		gpio_free(sw->gpio);
-+		old = sw;
-+	}
-+	kfree(old);
-+}
-+
-+static void __init report_initial_state(void)
-+{
-+	struct gpio_switch *sw;
-+
-+	list_for_each_entry(sw, &gpio_switches, node) {
-+		int state;
-+
-+		state = gpio_get_value(sw->gpio);
-+		if (sw->flags & OMAP_GPIO_SWITCH_FLAG_INVERTED)
-+			state = !state;
-+		if (sw->notify != NULL)
-+			sw->notify(sw->notify_data, state);
-+		print_sw_state(sw, state);
-+	}
-+}
-+
-+static int gpio_sw_remove(struct platform_device *dev)
-+{
-+	return 0;
-+}
-+
-+static struct platform_driver gpio_sw_driver = {
-+	.remove		= gpio_sw_remove,
-+	.driver		= {
-+		.name	= "gpio-switch",
-+	},
-+};
-+
-+void __init omap_register_gpio_switches(const struct omap_gpio_switch *tbl,
-+					int count)
-+{
-+	BUG_ON(board_gpio_sw_table != NULL);
-+
-+	board_gpio_sw_table = tbl;
-+	board_gpio_sw_count = count;
-+}
-+
-+static int __init gpio_sw_init(void)
-+{
-+	int r;
-+
-+	printk(KERN_INFO "OMAP GPIO switch handler initializing\n");
-+
-+	r = platform_driver_register(&gpio_sw_driver);
-+	if (r)
-+		return r;
-+
-+	gpio_sw_platform_dev = platform_device_register_simple("gpio-switch",
-+							       -1, NULL, 0);
-+	if (IS_ERR(gpio_sw_platform_dev)) {
-+		r = PTR_ERR(gpio_sw_platform_dev);
-+		goto err1;
-+	}
-+
-+	r = add_atag_switches();
-+	if (r < 0)
-+		goto err2;
-+
-+	r = add_board_switches();
-+	if (r < 0)
-+		goto err2;
-+
-+	report_initial_state();
-+
-+	return 0;
-+err2:
-+	gpio_sw_cleanup();
-+	platform_device_unregister(gpio_sw_platform_dev);
-+err1:
-+	platform_driver_unregister(&gpio_sw_driver);
-+	return r;
-+}
-+
-+static void __exit gpio_sw_exit(void)
-+{
-+	gpio_sw_cleanup();
-+	platform_device_unregister(gpio_sw_platform_dev);
-+	platform_driver_unregister(&gpio_sw_driver);
-+}
-+
-+#ifndef MODULE
-+late_initcall(gpio_sw_init);
-+#else
-+module_init(gpio_sw_init);
-+#endif
-+module_exit(gpio_sw_exit);
-+
-+MODULE_AUTHOR("Juha Yrjölä <juha.yrjola@nokia.com>, Paul Mundt <paul.mundt@nokia.com");
-+MODULE_DESCRIPTION("GPIO switch driver");
-+MODULE_LICENSE("GPL");
---- a/arch/arm/plat-omap/include/plat/board.h
-+++ b/arch/arm/plat-omap/include/plat/board.h
-@@ -151,6 +151,14 @@ struct omap_board_config_kernel {
- 	const void *data;
- };
- 
-+struct omap_gpio_switch_config {
-+	char name[12];
-+	u16 gpio;
-+	int flags:4;
-+	int type:4;
-+	int key_code:24; /* Linux key code */
-+};
-+
- extern const void *__init __omap_get_config(u16 tag, size_t len, int nr);
- 
- #define omap_get_config(tag, type) \