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git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-25 15:06:47 +02:00
[s3c24xx] Get rid of gpio shadowing.
I fail really to see why this would be necessary here. So get rid of it and see if anything breaks... git-svn-id: svn://svn.openwrt.org/openwrt/trunk@17052 3c298f89-4303-0410-b956-a3cf2f4a3e73
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@ -20,7 +20,6 @@
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <linux/gta02-shadow.h>
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#include <mach/gta02.h>
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#include <linux/mfd/pcf50633/gpio.h>
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@ -62,7 +61,7 @@ static void __gta02_pm_bt_toggle_radio(struct device *dev, unsigned int on)
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bt_data = dev_get_drvdata(dev);
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gta02_gpb_setpin(GTA02_GPIO_BT_EN, !on);
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s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, !on);
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if (on) {
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if (!regulator_is_enabled(bt_data->regulator))
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@ -72,7 +71,7 @@ static void __gta02_pm_bt_toggle_radio(struct device *dev, unsigned int on)
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regulator_disable(bt_data->regulator);
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}
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gta02_gpb_setpin(GTA02_GPIO_BT_EN, on);
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s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on);
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}
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@ -100,7 +99,7 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
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__gta02_pm_bt_toggle_radio(dev, on);
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} else if (!strcmp(attr->attr.name, "reset")) {
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/* reset is low-active, so we need to invert */
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gta02_gpb_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
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s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
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}
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return count;
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@ -177,7 +176,7 @@ static int __init gta02_bt_probe(struct platform_device *pdev)
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/* we pull reset to low to make sure that the chip doesn't
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* drain power through the reset line */
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gta02_gpb_setpin(GTA02_GPIO_BT_EN, 0);
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s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
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rfkill = rfkill_allocate(&pdev->dev, RFKILL_TYPE_BLUETOOTH);
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@ -22,8 +22,6 @@
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#include <asm/mach-types.h>
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#include <linux/gta02-shadow.h>
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#include <mach/gta02.h>
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#include <linux/mfd/pcf50633/core.h>
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#include <linux/mfd/pcf50633/pmic.h>
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@ -30,7 +30,6 @@
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#include <linux/mfd/pcf50633/gpio.h>
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#include <mach/regs-gpio.h>
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#include <mach/regs-gpioj.h>
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#include <linux/gta02-shadow.h>
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int gta_gsm_interrupts;
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EXPORT_SYMBOL(gta_gsm_interrupts);
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@ -114,9 +113,9 @@ static void gsm_on_off(struct device *dev, int on)
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msleep(100);
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gta02_gpb_setpin(GTA02_GPIO_MODEM_ON, 1);
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s3c2410_gpio_setpin(GTA02_GPIO_MODEM_ON, 1);
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msleep(500);
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gta02_gpb_setpin(GTA02_GPIO_MODEM_ON, 0);
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s3c2410_gpio_setpin(GTA02_GPIO_MODEM_ON, 0);
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/*
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* workaround for calypso firmware moko10 and earlier,
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@ -19,7 +19,6 @@
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#include <mach/hardware.h>
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#include <asm/mach-types.h>
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#include <linux/gta02-shadow.h>
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#include <mach/gta02.h>
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#include <mach/gta02-pm-wlan.h>
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@ -1,86 +0,0 @@
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/*
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* Common utility code for GTA02
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*
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* Copyright (C) 2008 by Openmoko, Inc.
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* Author: Holger Hans Peter Freyther <freyther@openmoko.org>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/irq.h>
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#include <asm/gpio.h>
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#include <mach/regs-gpio.h>
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#include <linux/gta02-shadow.h>
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/**
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* Shadow GPIO bank B handling. For the LEDs we need to keep track of the state
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* in software. The s3c2410_gpio_setpin must not be used for GPIOs on bank B
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*/
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static unsigned long gpb_mask;
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static unsigned long gpb_state;
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void gta02_gpb_add_shadow_gpio(unsigned int gpio)
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{
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unsigned long offset = S3C2410_GPIO_OFFSET(gpio);
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unsigned long flags;
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local_irq_save(flags);
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gpb_mask |= 1L << offset;
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local_irq_restore(flags);
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}
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EXPORT_SYMBOL(gta02_gpb_add_shadow_gpio);
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static void set_shadow_gpio(unsigned long offset, unsigned int value)
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{
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unsigned long state = value != 0;
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gpb_state &= ~(1L << offset);
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gpb_state |= state << offset;
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}
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void gta02_gpb_setpin(unsigned int pin, unsigned to)
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{
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void __iomem *base = S3C24XX_GPIO_BASE(S3C2410_GPB0);
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unsigned long offset = S3C2410_GPIO_OFFSET(pin);
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unsigned long flags;
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unsigned long dat;
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BUG_ON(base != S3C24XX_GPIO_BASE(pin));
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local_irq_save(flags);
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dat = __raw_readl(base + 0x04);
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/* Add the shadow values */
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dat &= ~gpb_mask;
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dat |= gpb_state;
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/* Do the operation like s3c2410_gpio_setpin */
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dat &= ~(1L << offset);
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dat |= to << offset;
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/* Update the shadow state */
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if ((1L << offset) & gpb_mask)
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set_shadow_gpio(offset, to);
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__raw_writel(dat, base + 0x04);
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local_irq_restore(flags);
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}
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EXPORT_SYMBOL(gta02_gpb_setpin);
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@ -112,7 +112,6 @@
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#include <asm/fiq.h>
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#include <linux/gta02-vibrator.h>
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#include <linux/gta02-shadow.h>
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/* arbitrates which sensor IRQ owns the shared SPI bus */
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static spinlock_t motion_irq_lock;
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@ -275,7 +274,7 @@ static long gta02_panic_blink(long count)
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led ^= 1;
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s3c2410_gpio_cfgpin(GTA02_GPIO_AUX_LED, S3C2410_GPIO_OUTPUT);
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gta02_gpb_setpin(GTA02_GPIO_AUX_LED, led);
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s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, led);
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last_blink = count;
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return delay;
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@ -938,11 +937,11 @@ static void gta02_udc_command(enum s3c2410_udc_cmd_e cmd)
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switch (cmd) {
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case S3C2410_UDC_P_ENABLE:
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printk(KERN_DEBUG "%s S3C2410_UDC_P_ENABLE\n", __func__);
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gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 1);
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s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 1);
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break;
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case S3C2410_UDC_P_DISABLE:
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printk(KERN_DEBUG "%s S3C2410_UDC_P_DISABLE\n", __func__);
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gta02_gpb_setpin(GTA02_GPIO_USB_PULLUP, 0);
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s3c2410_gpio_setpin(GTA02_GPIO_USB_PULLUP, 0);
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break;
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case S3C2410_UDC_P_RESET:
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printk(KERN_DEBUG "%s S3C2410_UDC_P_RESET\n", __func__);
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@ -1570,11 +1569,12 @@ static struct platform_device *gta02_devices_pmu_children[] = {
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>a02_resume_reason_device,
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};
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static void gta02_register_glamo() {
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static void gta02_register_glamo(void)
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{
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platform_device_register(>a02_glamo_dev);
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if (!gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
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if (gpio_request(GTA02_GPIO_GLAMO(4), "jbt6k74 reset"))
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printk("gta02: Failed to request jbt6k74 reset pin\n");
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if (!gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
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if (gpio_direction_output(GTA02_GPIO_GLAMO(4), 1))
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printk("gta02: Failed to configure jbt6k74 reset pin\n");
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platform_device_register(&spigpio_device);
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}
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@ -1725,13 +1725,13 @@ void DEBUG_LED(int n)
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{
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switch (n) {
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case 0:
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gta02_gpb_setpin(GTA02_GPIO_PWR_LED1, 1);
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s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED1, 1);
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break;
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case 1:
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gta02_gpb_setpin(GTA02_GPIO_PWR_LED2, 1);
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s3c2410_gpio_setpin(GTA02_GPIO_PWR_LED2, 1);
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break;
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default:
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gta02_gpb_setpin(GTA02_GPIO_AUX_LED, 1);
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s3c2410_gpio_setpin(GTA02_GPIO_AUX_LED, 1);
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break;
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}
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}
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@ -52,14 +52,14 @@ int gta02_vibrator_fiq_handler(void)
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return 0;
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if ((u8)gta02_vib_priv.fiq_count == gta02_vib_priv.vib_pwm_latched)
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gta02_gpb_setpin(gta02_vib_priv.vib_gpio_pin, 0);
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s3c2410_gpio_setpin(gta02_vib_priv.vib_gpio_pin, 0);
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if ((u8)gta02_vib_priv.fiq_count)
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return 1;
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gta02_vib_priv.vib_pwm_latched = gta02_vib_priv.vib_pwm;
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if (gta02_vib_priv.vib_pwm_latched)
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gta02_gpb_setpin(gta02_vib_priv.vib_gpio_pin, 1);
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s3c2410_gpio_setpin(gta02_vib_priv.vib_gpio_pin, 1);
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return 1;
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}
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@ -139,7 +139,7 @@ static int __init gta02_vib_probe(struct platform_device *pdev)
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gta02_vib_priv.pdata = pdev->dev.platform_data;
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platform_set_drvdata(pdev, >a02_vib_led);
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gta02_gpb_setpin(gta02_vib_led.gpio, 0); /* off */
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s3c2410_gpio_setpin(gta02_vib_led.gpio, 0); /* off */
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s3c2410_gpio_cfgpin(gta02_vib_led.gpio, S3C2410_GPIO_OUTPUT);
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/* safe, kmalloc'd copy needed for FIQ ISR */
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gta02_vib_priv.vib_gpio_pin = gta02_vib_led.gpio;
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@ -19,7 +19,6 @@
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#include <asm/mach-types.h>
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#include <mach/gta02.h>
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#include <plat/regs-timer.h>
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#include <linux/gta02-shadow.h>
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#define MAX_LEDS 3
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#define COUNTER 256
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@ -54,7 +53,7 @@ static void gta02led_set(struct led_classdev *led_cdev,
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struct gta02_led_priv *lp = to_priv(led_cdev);
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spin_lock_irqsave(&lp->lock, flags);
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gta02_gpb_setpin(lp->gpio, value ? 1 : 0);
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s3c2410_gpio_setpin(lp->gpio, value ? 1 : 0);
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spin_unlock_irqrestore(&lp->lock, flags);
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}
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@ -117,7 +116,6 @@ static int __init gta02led_probe(struct platform_device *pdev)
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case S3C2410_GPB1:
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case S3C2410_GPB2:
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s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPIO_OUTPUT);
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gta02_gpb_add_shadow_gpio(lp->gpio);
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break;
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default:
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break;
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@ -1,33 +0,0 @@
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/*
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* include/linux/gta02-shadow.h
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*
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* Common utility code for GTA02
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*
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* Copyright (C) 2008 by Openmoko, Inc.
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* Author: Holger Hans Peter Freyther <freyther@openmoko.org>
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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*/
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#ifndef GTA02_SHADOW_H
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#define GTA02_SHADOW_H
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void gta02_gpb_add_shadow_gpio(unsigned int gpio);
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void gta02_gpb_setpin(unsigned int pin, unsigned to);
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#endif
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@ -23,7 +23,7 @@
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endif
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--- a/arch/arm/mach-s3c2442/Makefile
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+++ b/arch/arm/mach-s3c2442/Makefile
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@@ -14,3 +14,9 @@ obj-$(CONFIG_CPU_S3C2442) += clock.o
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@@ -14,3 +14,8 @@ obj-$(CONFIG_CPU_S3C2442) += clock.o
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# Machine support
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@ -31,8 +31,7 @@
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+ gta02-pm-gsm.o \
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+ gta02-pm-gps.o \
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+ gta02-pm-bt.o \
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+ gta02-pm-wlan.o \
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+ gta02-shadow.o
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+ gta02-pm-wlan.o
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--- a/drivers/misc/Makefile
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+++ b/drivers/misc/Makefile
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@@ -21,3 +21,6 @@ obj-$(CONFIG_HP_ILO) += hpilo.o
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