diff options
Diffstat (limited to 'recipes/linux/linux-openmoko-2.6.32/0004-ar6000_delay.patch.patch')
| -rw-r--r-- | recipes/linux/linux-openmoko-2.6.32/0004-ar6000_delay.patch.patch | 211 |
1 files changed, 211 insertions, 0 deletions
diff --git a/recipes/linux/linux-openmoko-2.6.32/0004-ar6000_delay.patch.patch b/recipes/linux/linux-openmoko-2.6.32/0004-ar6000_delay.patch.patch new file mode 100644 index 0000000000..104a8c8951 --- /dev/null +++ b/recipes/linux/linux-openmoko-2.6.32/0004-ar6000_delay.patch.patch @@ -0,0 +1,211 @@ +From c9580261d79d8d1664fbd2da52dcd2148da9ef14 Mon Sep 17 00:00:00 2001 +From: Radek Polak <psonek2@seznam.cz> +Date: Fri, 9 Apr 2010 09:18:02 +0200 +Subject: [PATCH 04/14] ar6000_delay.patch + +patch from https://docs.openmoko.org/trac/ticket/2327 - wifi is working good +(100% until now) for me with this patch. + +Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com> +--- + arch/arm/mach-s3c2442/gta02-pm-usbhost.c | 174 ++++++++++++++++++++++++++++++ + drivers/ar6000/hif/hif2.c | 2 + + 2 files changed, 176 insertions(+), 0 deletions(-) + create mode 100644 arch/arm/mach-s3c2442/gta02-pm-usbhost.c + +diff --git a/arch/arm/mach-s3c2442/gta02-pm-usbhost.c b/arch/arm/mach-s3c2442/gta02-pm-usbhost.c +new file mode 100644 +index 0000000..233340a +--- /dev/null ++++ b/arch/arm/mach-s3c2442/gta02-pm-usbhost.c +@@ -0,0 +1,174 @@ ++/* ++ * USBHOST Management code for the Openmoko Freerunner GSM Phone ++ * ++ * (C) 2007 by Openmoko Inc. ++ * Author: Harald Welte <laforge@openmoko.org> ++ * All rights reserved. ++ * ++ * 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/module.h> ++#include <linux/init.h> ++#include <linux/kernel.h> ++#include <linux/platform_device.h> ++#include <linux/console.h> ++#include <linux/errno.h> ++#include <linux/interrupt.h> ++#include <linux/delay.h> ++#include <linux/err.h> ++#include <linux/regulator/consumer.h> ++ ++#include <mach/gpio.h> ++#include <asm/mach-types.h> ++ ++#include <mach/hardware.h> ++ ++#include <mach/gta02.h> ++#include <mach/regs-gpio.h> ++#include <mach/regs-gpioj.h> ++ ++static struct regulator *gta02_usbhost_regulator; ++ ++static ssize_t usbhost_read(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ if (!strcmp(attr->attr.name, "power_on")) { ++ if (regulator_is_enabled(gta02_usbhost_regulator)) ++ goto out_1; ++ } ++ ++ return strlcpy(buf, "0\n", 3); ++out_1: ++ return strlcpy(buf, "1\n", 3); ++} ++ ++static void usbhost_on_off(struct device *dev, int on) ++{ ++ ++ on = !!on; ++ ++ if (on == regulator_is_enabled(gta02_usbhost_regulator)) ++ return; ++ ++ if (!on) { ++ regulator_disable(gta02_usbhost_regulator); ++ return; ++ } ++ ++ regulator_enable(gta02_usbhost_regulator); ++} ++ ++static ssize_t usbhost_write(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ unsigned long on = simple_strtoul(buf, NULL, 10); ++ ++ if (!strcmp(attr->attr.name, "power_on")) { ++ usbhost_on_off(dev, on); ++ ++ return count; ++ } ++ ++ return count; ++} ++ ++static DEVICE_ATTR(power_on, 0644, usbhost_read, usbhost_write); ++ ++#ifdef CONFIG_PM ++ ++static int gta02_usbhost_suspend(struct device *dev) ++{ ++ return 0; ++} ++ ++static int gta02_usbhost_suspend_late(struct device *dev) ++{ ++ return 0; ++} ++ ++static int gta02_usbhost_resume(struct device *dev) ++{ ++ return 0; ++} ++ ++static struct dev_pm_ops gta02_usbhost_pm_ops = { ++ .suspend = gta02_usbhost_suspend, ++ .suspend_noirq = gta02_usbhost_suspend_late, ++ .resume = gta02_usbhost_resume, ++}; ++ ++#define GTA02_USBHOST_PM_OPS (>a02_usbhost_pm_ops) ++ ++#else ++#define GTA02_USBHOST_PM_OPS NULL ++#endif /* CONFIG_PM */ ++ ++static struct attribute *gta02_usbhost_sysfs_entries[] = { ++ &dev_attr_power_on.attr, ++ NULL ++}; ++ ++static struct attribute_group gta02_usbhost_attr_group = { ++ .name = NULL, ++ .attrs = gta02_usbhost_sysfs_entries, ++}; ++ ++static int __init gta02_usbhost_probe(struct platform_device *pdev) ++{ ++ int ret; ++ ++ gta02_usbhost_regulator = regulator_get_exclusive(&pdev->dev, "USBHOST"); ++ ++ if (IS_ERR(gta02_usbhost_regulator)) { ++ ret = PTR_ERR(gta02_usbhost_regulator); ++ dev_err(&pdev->dev, "Failed to get regulator: %d\n", ret); ++ return ret; ++ } ++ ++ ret = sysfs_create_group(&pdev->dev.kobj, >a02_usbhost_attr_group); ++ if (ret) { ++ dev_err(&pdev->dev, "Failed to create sysfs entries: %d\n", ret); ++ return ret; ++ } ++ ++ return 0; ++} ++ ++static int gta02_usbhost_remove(struct platform_device *pdev) ++{ ++ usbhost_on_off(&pdev->dev, 0); ++ ++ sysfs_remove_group(&pdev->dev.kobj, >a02_usbhost_attr_group); ++ regulator_put(gta02_usbhost_regulator); ++ ++ return 0; ++} ++ ++static struct platform_driver gta02_usbhost_driver = { ++ .probe = gta02_usbhost_probe, ++ .remove = gta02_usbhost_remove, ++ .driver = { ++ .name = "gta02-pm-usbhost", ++ .pm = GTA02_USBHOST_PM_OPS, ++ }, ++}; ++ ++static int __devinit gta02_usbhost_init(void) ++{ ++ return platform_driver_register(>a02_usbhost_driver); ++} ++module_init(gta02_usbhost_init); ++ ++static void gta02_usbhost_exit(void) ++{ ++ platform_driver_unregister(>a02_usbhost_driver); ++} ++module_exit(gta02_usbhost_exit); ++ ++MODULE_LICENSE("GPL"); ++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); ++MODULE_DESCRIPTION("Openmoko Freerunner USBHOST Power Management"); +diff --git a/drivers/ar6000/hif/hif2.c b/drivers/ar6000/hif/hif2.c +index 386d96e..90178d0 100644 +--- a/drivers/ar6000/hif/hif2.c ++++ b/drivers/ar6000/hif/hif2.c +@@ -517,6 +517,8 @@ static int ar6000_do_activate(struct hif_device *hif) + goto out_func_ready; + } + ++ mdelay (10); ++ + ret = htcCallbacks.deviceInsertedHandler(hif); + if (ret == A_OK) + return 0; +-- +1.7.1 + |