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openwrt-xburst/target/linux/s3c24xx/patches-2.6.26/1183-fix-pcf50633-use-pcf-not-data-in-probe-for-context.p.patch
mirko a95f9f92e2 change prefix for kernelpatchbase 2.6.26 
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13619 3c298f89-4303-0410-b956-a3cf2f4a3e73
2008-12-13 01:54:56 +00:00

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From 22bdcec1c140689c6fce71ca04d7afcaa44d52f0 Mon Sep 17 00:00:00 2001
From: Andy Green <andy@openmoko.com>
Date: Fri, 25 Jul 2008 23:06:15 +0100
Subject: [PATCH] fix-pcf50633-use-pcf-not-data-in-probe-for-context.patch
Everywhere in the sources except the probe function the context
pointer is called "pcf"... in there it's called "data" for some
reason. This stops confusion by changing it to be "pcf" in there
as well.
Signed-off-by: Andy Green <andy@openmoko.com>
---
drivers/i2c/chips/pcf50633.c | 117 +++++++++++++++++++++--------------------
1 files changed, 60 insertions(+), 57 deletions(-)
diff --git a/drivers/i2c/chips/pcf50633.c b/drivers/i2c/chips/pcf50633.c
index 850bf93..4cb333c 100644
--- a/drivers/i2c/chips/pcf50633.c
+++ b/drivers/i2c/chips/pcf50633.c
@@ -2063,7 +2063,7 @@ static void populate_sysfs_group(struct pcf50633_data *pcf)
static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind)
{
struct i2c_client *new_client;
- struct pcf50633_data *data;
+ struct pcf50633_data *pcf;
int err = 0;
int irq;
@@ -2086,23 +2086,24 @@ static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind)
return -EBUSY;
}
- if (!(data = kzalloc(sizeof(*data), GFP_KERNEL)))
+ pcf = kzalloc(sizeof(*pcf), GFP_KERNEL);
+ if (!pcf)
return -ENOMEM;
- mutex_init(&data->lock);
- mutex_init(&data->working_lock);
- mutex_init(&data->working_lock_nobat);
- mutex_init(&data->working_lock_usb_curlimit);
- INIT_WORK(&data->work, pcf50633_work);
- INIT_WORK(&data->work_nobat, pcf50633_work_nobat);
- INIT_WORK(&data->work_usb_curlimit, pcf50633_work_usbcurlim);
- data->irq = irq;
- data->working = 0;
- data->onkey_seconds = -1;
- data->pdata = pcf50633_pdev->dev.platform_data;
-
- new_client = &data->client;
- i2c_set_clientdata(new_client, data);
+ mutex_init(&pcf->lock);
+ mutex_init(&pcf->working_lock);
+ mutex_init(&pcf->working_lock_nobat);
+ mutex_init(&pcf->working_lock_usb_curlimit);
+ INIT_WORK(&pcf->work, pcf50633_work);
+ INIT_WORK(&pcf->work_nobat, pcf50633_work_nobat);
+ INIT_WORK(&pcf->work_usb_curlimit, pcf50633_work_usbcurlim);
+ pcf->irq = irq;
+ pcf->working = 0;
+ pcf->onkey_seconds = -1;
+ pcf->pdata = pcf50633_pdev->dev.platform_data;
+
+ new_client = &pcf->client;
+ i2c_set_clientdata(new_client, pcf);
new_client->addr = address;
new_client->adapter = adapter;
new_client->driver = &pcf50633_driver;
@@ -2118,11 +2119,11 @@ static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind)
goto exit_free;
}
- pcf50633_global = data;
+ pcf50633_global = pcf;
- init_resume_dependency_list(&data->resume_dependency);
+ init_resume_dependency_list(&pcf->resume_dependency);
- populate_sysfs_group(data);
+ populate_sysfs_group(pcf);
err = sysfs_create_group(&new_client->dev.kobj, &pcf_attr_group);
if (err) {
@@ -2135,32 +2136,35 @@ static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind)
/* register power off handler with core power management */
pm_power_off = &pcf50633_go_standby;
- data->input_dev = input_allocate_device();
- if (!data->input_dev)
+ pcf->input_dev = input_allocate_device();
+ if (!pcf->input_dev)
goto exit_sysfs;
- data->input_dev->name = "GTA02 PMU events";
- data->input_dev->phys = "FIXME";
- data->input_dev->id.bustype = BUS_I2C;
+ pcf->input_dev->name = "GTA02 PMU events";
+ pcf->input_dev->phys = "FIXME";
+ pcf->input_dev->id.bustype = BUS_I2C;
+ pcf->input_dev->cdev.dev = &new_client->dev;
- data->input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
- set_bit(KEY_POWER, data->input_dev->keybit);
- set_bit(KEY_POWER2, data->input_dev->keybit);
- set_bit(KEY_BATTERY, data->input_dev->keybit);
+ pcf->input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR);
+ set_bit(KEY_POWER, pcf->input_dev->keybit);
+ set_bit(KEY_POWER2, pcf->input_dev->keybit);
+ set_bit(KEY_BATTERY, pcf->input_dev->keybit);
- err = input_register_device(data->input_dev);
+ err = input_register_device(pcf->input_dev);
if (err)
goto exit_sysfs;
/* configure interrupt mask */
- reg_write(data, PCF50633_REG_INT1M, 0x00); /* we want SECOND to kick */
- reg_write(data, PCF50633_REG_INT2M, 0x00);
- reg_write(data, PCF50633_REG_INT3M, 0x00);
- reg_write(data, PCF50633_REG_INT4M, 0x00);
- reg_write(data, PCF50633_REG_INT5M, 0x00);
+
+ /* we want SECOND to kick for the coldplug initialisation */
+ reg_write(pcf, PCF50633_REG_INT1M, 0x00);
+ reg_write(pcf, PCF50633_REG_INT2M, 0x00);
+ reg_write(pcf, PCF50633_REG_INT3M, 0x00);
+ reg_write(pcf, PCF50633_REG_INT4M, 0x00);
+ reg_write(pcf, PCF50633_REG_INT5M, 0x00);
err = request_irq(irq, pcf50633_irq, IRQF_TRIGGER_FALLING,
- "pcf50633", data);
+ "pcf50633", pcf);
if (err < 0)
goto exit_input;
@@ -2168,59 +2172,58 @@ static int pcf50633_detect(struct i2c_adapter *adapter, int address, int kind)
dev_err(&new_client->dev, "IRQ %u cannot be enabled as wake-up"
"source in this hardware revision!", irq);
- if (data->pdata->used_features & PCF50633_FEAT_RTC) {
- data->rtc = rtc_device_register("pcf50633", &new_client->dev,
+ if (pcf->pdata->used_features & PCF50633_FEAT_RTC) {
+ pcf->rtc = rtc_device_register("pcf50633", &new_client->dev,
&pcf50633_rtc_ops, THIS_MODULE);
- if (IS_ERR(data->rtc)) {
- err = PTR_ERR(data->rtc);
+ if (IS_ERR(pcf->rtc)) {
+ err = PTR_ERR(pcf->rtc);
goto exit_irq;
}
}
- if (data->pdata->used_features & PCF50633_FEAT_PWM_BL) {
- data->backlight = backlight_device_register("pcf50633-bl",
+ if (pcf->pdata->used_features & PCF50633_FEAT_PWM_BL) {
+ pcf->backlight = backlight_device_register("pcf50633-bl",
&new_client->dev,
- data,
+ pcf,
&pcf50633bl_ops);
- if (!data->backlight)
+ if (!pcf->backlight)
goto exit_rtc;
/* FIXME: are we sure we want default == off? */
- data->backlight->props.max_brightness = 0x3f;
- data->backlight->props.power = FB_BLANK_UNBLANK;
- data->backlight->props.fb_blank = FB_BLANK_UNBLANK;
- data->backlight->props.brightness =
- data->backlight->props.max_brightness;
- backlight_update_status(data->backlight);
+ pcf->backlight->props.max_brightness = 0x3f;
+ pcf->backlight->props.power = FB_BLANK_UNBLANK;
+ pcf->backlight->props.fb_blank = FB_BLANK_UNBLANK;
+ pcf->backlight->props.brightness =
+ pcf->backlight->props.max_brightness;
+ backlight_update_status(pcf->backlight);
}
- apm_get_power_status = pcf50633_get_power_status;
- data->probe_completed = 1;
+ pcf->probe_completed = 1;
- if (data->pdata->flag_use_apm_emulation)
+ if (pcf->pdata->flag_use_apm_emulation)
apm_get_power_status = pcf50633_get_power_status;
/* if platform was interested, give him a chance to register
* platform devices that switch power with us as the parent
* at registration time -- ensures suspend / resume ordering
*/
- if (data->pdata->attach_child_devices)
- (data->pdata->attach_child_devices)(&new_client->dev);
+ if (pcf->pdata->attach_child_devices)
+ (pcf->pdata->attach_child_devices)(&new_client->dev);
return 0;
exit_rtc:
- if (data->pdata->used_features & PCF50633_FEAT_RTC)
+ if (pcf->pdata->used_features & PCF50633_FEAT_RTC)
rtc_device_unregister(pcf50633_global->rtc);
exit_irq:
free_irq(pcf50633_global->irq, pcf50633_global);
exit_input:
- input_unregister_device(data->input_dev);
+ input_unregister_device(pcf->input_dev);
exit_sysfs:
pm_power_off = NULL;
sysfs_remove_group(&new_client->dev.kobj, &pcf_attr_group);
exit_detach:
i2c_detach_client(new_client);
exit_free:
- kfree(data);
+ kfree(pcf);
pcf50633_global = NULL;
return err;
}
--
1.5.6.3
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