[PATCH 02/28] leds-lp55xx: change variable names before probe()cleanup

From: Kim, Milo
Date: Fri Oct 05 2012 - 04:10:52 EST


Adding prefix old_ for variables for avoiding compile error with
new lp55xx structure.
This patch is preceding step for changing _probe().
Adding prefix old_ will be removed after _probe() cleanup.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@xxxxxx>
---
drivers/leds/leds-lp5521.c | 70 ++++++++++++++++++++---------------------
drivers/leds/leds-lp5523.c | 74 ++++++++++++++++++++++----------------------
2 files changed, 72 insertions(+), 72 deletions(-)

diff --git a/drivers/leds/leds-lp5521.c b/drivers/leds/leds-lp5521.c
index 2064aef..992984b 100644
--- a/drivers/leds/leds-lp5521.c
+++ b/drivers/leds/leds-lp5521.c
@@ -739,39 +739,39 @@ static int __devinit lp5521_init_led(struct lp5521_led *led,
static int __devinit lp5521_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct lp5521_chip *chip;
- struct lp5521_platform_data *pdata;
- int ret, i, led;
+ struct lp5521_chip *old_chip;
+ struct lp5521_platform_data *old_pdata;
+ int ret, i, old_led;
u8 buf;

- chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
- if (!chip)
+ old_chip = devm_kzalloc(&client->dev, sizeof(*old_chip), GFP_KERNEL);
+ if (!old_chip)
return -ENOMEM;

- i2c_set_clientdata(client, chip);
- chip->client = client;
+ i2c_set_clientdata(client, old_chip);
+ old_chip->client = client;

- pdata = client->dev.platform_data;
+ old_pdata = client->dev.platform_data;

- if (!pdata) {
+ if (!old_pdata) {
dev_err(&client->dev, "no platform data\n");
return -EINVAL;
}

- mutex_init(&chip->lock);
+ mutex_init(&old_chip->lock);

- chip->pdata = pdata;
+ old_chip->pdata = old_pdata;

- if (pdata->setup_resources) {
- ret = pdata->setup_resources();
+ if (old_pdata->setup_resources) {
+ ret = old_pdata->setup_resources();
if (ret < 0)
return ret;
}

- if (pdata->enable) {
- pdata->enable(0);
+ if (old_pdata->enable) {
+ old_pdata->enable(0);
usleep_range(1000, 2000); /* Keep enable down at least 1ms */
- pdata->enable(1);
+ old_pdata->enable(1);
usleep_range(1000, 2000); /* 500us abs min. */
}

@@ -810,30 +810,30 @@ static int __devinit lp5521_probe(struct i2c_client *client,
}

/* Initialize leds */
- chip->num_channels = pdata->num_channels;
- chip->num_leds = 0;
- led = 0;
- for (i = 0; i < pdata->num_channels; i++) {
+ old_chip->num_channels = old_pdata->num_channels;
+ old_chip->num_leds = 0;
+ old_led = 0;
+ for (i = 0; i < old_pdata->num_channels; i++) {
/* Do not initialize channels that are not connected */
- if (pdata->led_config[i].led_current == 0)
+ if (old_pdata->led_config[i].led_current == 0)
continue;

- ret = lp5521_init_led(&chip->leds[led], client, i, pdata);
+ ret = lp5521_init_led(&old_chip->leds[old_led], client, i, old_pdata);
if (ret) {
dev_err(&client->dev, "error initializing leds\n");
goto fail2;
}
- chip->num_leds++;
+ old_chip->num_leds++;

- chip->leds[led].id = led;
+ old_chip->leds[old_led].id = old_led;
/* Set initial LED current */
- lp5521_set_led_current(chip, led,
- chip->leds[led].led_current);
+ lp5521_set_led_current(old_chip, old_led,
+ old_chip->leds[old_led].led_current);

- INIT_WORK(&(chip->leds[led].brightness_work),
+ INIT_WORK(&(old_chip->leds[old_led].brightness_work),
lp5521_led_brightness_work);

- led++;
+ old_led++;
}

ret = lp5521_register_sysfs(client);
@@ -843,15 +843,15 @@ static int __devinit lp5521_probe(struct i2c_client *client,
}
return ret;
fail2:
- for (i = 0; i < chip->num_leds; i++) {
- led_classdev_unregister(&chip->leds[i].cdev);
- cancel_work_sync(&chip->leds[i].brightness_work);
+ for (i = 0; i < old_chip->num_leds; i++) {
+ led_classdev_unregister(&old_chip->leds[i].cdev);
+ cancel_work_sync(&old_chip->leds[i].brightness_work);
}
fail1:
- if (pdata->enable)
- pdata->enable(0);
- if (pdata->release_resources)
- pdata->release_resources();
+ if (old_pdata->enable)
+ old_pdata->enable(0);
+ if (old_pdata->release_resources)
+ old_pdata->release_resources();
return ret;
}

diff --git a/drivers/leds/leds-lp5523.c b/drivers/leds/leds-lp5523.c
index 97994ff..75fc7d5 100644
--- a/drivers/leds/leds-lp5523.c
+++ b/drivers/leds/leds-lp5523.c
@@ -885,38 +885,38 @@ static int __devinit lp5523_init_led(struct lp5523_led *led, struct device *dev,
static int __devinit lp5523_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct lp5523_chip *chip;
- struct lp5523_platform_data *pdata;
- int ret, i, led;
+ struct lp5523_chip *old_chip;
+ struct lp5523_platform_data *old_pdata;
+ int ret, i, old_led;

- chip = devm_kzalloc(&client->dev, sizeof(*chip), GFP_KERNEL);
- if (!chip)
+ old_chip = devm_kzalloc(&client->dev, sizeof(*old_chip), GFP_KERNEL);
+ if (!old_chip)
return -ENOMEM;

- i2c_set_clientdata(client, chip);
- chip->client = client;
+ i2c_set_clientdata(client, old_chip);
+ old_chip->client = client;

- pdata = client->dev.platform_data;
+ old_pdata = client->dev.platform_data;

- if (!pdata) {
+ if (!old_pdata) {
dev_err(&client->dev, "no platform data\n");
return -EINVAL;
}

- mutex_init(&chip->lock);
+ mutex_init(&old_chip->lock);

- chip->pdata = pdata;
+ old_chip->pdata = old_pdata;

- if (pdata->setup_resources) {
- ret = pdata->setup_resources();
+ if (old_pdata->setup_resources) {
+ ret = old_pdata->setup_resources();
if (ret < 0)
return ret;
}

- if (pdata->enable) {
- pdata->enable(0);
+ if (old_pdata->enable) {
+ old_pdata->enable(0);
usleep_range(1000, 2000); /* Keep enable down at least 1ms */
- pdata->enable(1);
+ old_pdata->enable(1);
usleep_range(1000, 2000); /* 500us abs min. */
}

@@ -932,8 +932,8 @@ static int __devinit lp5523_probe(struct i2c_client *client,
dev_info(&client->dev, "%s Programmable led chip found\n", id->name);

/* Initialize engines */
- for (i = 0; i < ARRAY_SIZE(chip->engines); i++) {
- ret = lp5523_init_engine(&chip->engines[i], i + 1);
+ for (i = 0; i < ARRAY_SIZE(old_chip->engines); i++) {
+ ret = lp5523_init_engine(&old_chip->engines[i], i + 1);
if (ret) {
dev_err(&client->dev, "error initializing engine\n");
goto fail1;
@@ -946,32 +946,32 @@ static int __devinit lp5523_probe(struct i2c_client *client,
}

/* Initialize leds */
- chip->num_channels = pdata->num_channels;
- chip->num_leds = 0;
- led = 0;
- for (i = 0; i < pdata->num_channels; i++) {
+ old_chip->num_channels = old_pdata->num_channels;
+ old_chip->num_leds = 0;
+ old_led = 0;
+ for (i = 0; i < old_pdata->num_channels; i++) {
/* Do not initialize channels that are not connected */
- if (pdata->led_config[i].led_current == 0)
+ if (old_pdata->led_config[i].led_current == 0)
continue;

- INIT_WORK(&chip->leds[led].brightness_work,
+ INIT_WORK(&old_chip->leds[old_led].brightness_work,
lp5523_led_brightness_work);

- ret = lp5523_init_led(&chip->leds[led], &client->dev, i, pdata,
+ ret = lp5523_init_led(&old_chip->leds[old_led], &client->dev, i, old_pdata,
id->name);
if (ret) {
dev_err(&client->dev, "error initializing leds\n");
goto fail2;
}
- chip->num_leds++;
+ old_chip->num_leds++;

- chip->leds[led].id = led;
+ old_chip->leds[old_led].id = old_led;
/* Set LED current */
lp5523_write(client,
- LP5523_REG_LED_CURRENT_BASE + chip->leds[led].chan_nr,
- chip->leds[led].led_current);
+ LP5523_REG_LED_CURRENT_BASE + old_chip->leds[old_led].chan_nr,
+ old_chip->leds[old_led].led_current);

- led++;
+ old_led++;
}

ret = lp5523_register_sysfs(client);
@@ -981,15 +981,15 @@ static int __devinit lp5523_probe(struct i2c_client *client,
}
return ret;
fail2:
- for (i = 0; i < chip->num_leds; i++) {
- led_classdev_unregister(&chip->leds[i].cdev);
- flush_work(&chip->leds[i].brightness_work);
+ for (i = 0; i < old_chip->num_leds; i++) {
+ led_classdev_unregister(&old_chip->leds[i].cdev);
+ flush_work(&old_chip->leds[i].brightness_work);
}
fail1:
- if (pdata->enable)
- pdata->enable(0);
- if (pdata->release_resources)
- pdata->release_resources();
+ if (old_pdata->enable)
+ old_pdata->enable(0);
+ if (old_pdata->release_resources)
+ old_pdata->release_resources();
return ret;
}

--
1.7.9.5


Best Regards,
Milo


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