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SubjectRe: [PATCH] i2c driver fixes for 2.6.2-rc2
Date
From
ChangeSet 1.1474.148.6, 2004/01/27 14:46:05-08:00, greg@kroah.com

[PATCH] I2C: remove printk() calls in lm85, and clean up debug logic.


drivers/i2c/chips/lm85.c | 69 ++++++++++++++---------------------------------
1 files changed, 21 insertions(+), 48 deletions(-)


diff -Nru a/drivers/i2c/chips/lm85.c b/drivers/i2c/chips/lm85.c
--- a/drivers/i2c/chips/lm85.c Tue Jan 27 15:26:35 2004
+++ b/drivers/i2c/chips/lm85.c Tue Jan 27 15:26:35 2004
@@ -48,9 +48,6 @@
/* Insmod parameters */
SENSORS_INSMOD_4(lm85b, lm85c, adm1027, adt7463);

-/* Enable debug if true */
-static int lm85debug = 0;
-
/* The LM85 registers */

#define LM85_REG_IN(nr) (0x20 + (nr))
@@ -802,19 +799,15 @@
company = lm85_read_value(new_client, LM85_REG_COMPANY);
verstep = lm85_read_value(new_client, LM85_REG_VERSTEP);

- if (lm85debug) {
- printk("lm85: Detecting device at %d,0x%02x with"
+ dev_dbg(&adapter->dev, "Detecting device at %d,0x%02x with"
" COMPANY: 0x%02x and VERSTEP: 0x%02x\n",
i2c_adapter_id(new_client->adapter), new_client->addr,
company, verstep);
- }

/* If auto-detecting, Determine the chip type. */
if (kind <= 0) {
- if (lm85debug) {
- printk("lm85: Autodetecting device at %d,0x%02x ...\n",
+ dev_dbg(&adapter->dev, "Autodetecting device at %d,0x%02x ...\n",
i2c_adapter_id(adapter), address );
- }
if( company == LM85_COMPANY_NATIONAL
&& verstep == LM85_VERSTEP_LM85C ) {
kind = lm85c ;
@@ -823,8 +816,8 @@
kind = lm85b ;
} else if( company == LM85_COMPANY_NATIONAL
&& (verstep & 0xf0) == LM85_VERSTEP_GENERIC ) {
- printk("lm85: Unrecgonized version/stepping 0x%02x"
- " Defaulting to LM85.\n", verstep );
+ dev_err(&adapter->dev, "Unrecgonized version/stepping 0x%02x"
+ " Defaulting to LM85.\n", verstep);
kind = any_chip ;
} else if( company == LM85_COMPANY_ANALOG_DEV
&& verstep == LM85_VERSTEP_ADM1027 ) {
@@ -834,21 +827,19 @@
kind = adt7463 ;
} else if( company == LM85_COMPANY_ANALOG_DEV
&& (verstep & 0xf0) == LM85_VERSTEP_GENERIC ) {
- printk("lm85: Unrecgonized version/stepping 0x%02x"
- " Defaulting to ADM1027.\n", verstep );
+ dev_err(&adapter->dev, "Unrecgonized version/stepping 0x%02x"
+ " Defaulting to ADM1027.\n", verstep);
kind = adm1027 ;
} else if( kind == 0 && (verstep & 0xf0) == 0x60) {
- printk("lm85: Generic LM85 Version 6 detected\n");
+ dev_err(&adapter->dev, "Generic LM85 Version 6 detected\n");
/* Leave kind as "any_chip" */
} else {
- if (lm85debug) {
- printk("lm85: Autodetection failed\n");
- }
+ dev_dbg(&adapter->dev, "Autodetection failed\n");
/* Not an LM85 ... */
if( kind == 0 ) { /* User used force=x,y */
- printk("lm85: Generic LM85 Version 6 not"
- " found at %d,0x%02x. Try force_lm85c.\n",
- i2c_adapter_id(adapter), address );
+ dev_err(&adapter->dev, "Generic LM85 Version 6 not"
+ " found at %d,0x%02x. Try force_lm85c.\n",
+ i2c_adapter_id(adapter), address );
}
err = 0 ;
goto ERROR1;
@@ -879,12 +870,10 @@
data->valid = 0;
init_MUTEX(&data->update_lock);

- if (lm85debug) {
- printk("lm85: Assigning ID %d to %s at %d,0x%02x\n",
+ dev_dbg(&adapter->dev, "Assigning ID %d to %s at %d,0x%02x\n",
new_client->id, new_client->name,
i2c_adapter_id(new_client->adapter),
new_client->addr);
- }

/* Tell the I2C layer a new client has arrived */
if ((err = i2c_attach_client(new_client)))
@@ -1021,31 +1010,24 @@
int value;
struct lm85_data *data = i2c_get_clientdata(client);

- if (lm85debug) {
- printk("lm85(%d): Initializing device\n", client->id);
- }
+ dev_dbg(&client->dev, "Initializing device\n");

/* Warn if part was not "READY" */
value = lm85_read_value(client, LM85_REG_CONFIG);
- if (lm85debug) {
- printk("lm85(%d): LM85_REG_CONFIG is: 0x%02x\n", client->id, value );
- }
+ dev_dbg(&client->dev, "LM85_REG_CONFIG is: 0x%02x\n", value);
if( value & 0x02 ) {
- printk("lm85(%d): Client (%d,0x%02x) config is locked.\n",
- client->id,
+ dev_err(&client->dev, "Client (%d,0x%02x) config is locked.\n",
i2c_adapter_id(client->adapter), client->addr );
};
if( ! (value & 0x04) ) {
- printk("lm85(%d): Client (%d,0x%02x) is not ready.\n",
- client->id,
+ dev_err(&client->dev, "Client (%d,0x%02x) is not ready.\n",
i2c_adapter_id(client->adapter), client->addr );
};
if( value & 0x10
&& ( data->type == adm1027
|| data->type == adt7463 ) ) {
- printk("lm85(%d): Client (%d,0x%02x) VxI mode is set. "
+ dev_err(&client->dev, "Client (%d,0x%02x) VxI mode is set. "
"Please report this to the lm85 maintainer.\n",
- client->id,
i2c_adapter_id(client->adapter), client->addr );
};

@@ -1061,11 +1043,8 @@
value = lm85_read_value(client, LM85_REG_CONFIG);
/* Try to clear LOCK, Set START, save everything else */
value = (value & ~ 0x02) | 0x01 ;
- if (lm85debug) {
- printk("lm85(%d): Setting CONFIG to: 0x%02x\n", client->id, value );
- }
+ dev_dbg(&client->dev, "Setting CONFIG to: 0x%02x\n", value);
lm85_write_value(client, LM85_REG_CONFIG, value);
-
}

void lm85_update_client(struct i2c_client *client)
@@ -1078,10 +1057,8 @@
if ( !data->valid ||
(jiffies - data->last_reading > LM85_DATA_INTERVAL ) ) {
/* Things that change quickly */
-
- if (lm85debug) {
- printk("lm85(%d): Reading sensor values\n", client->id);
- }
+ dev_dbg(&client->dev, "Reading sensor values\n");
+
/* Have to read extended bits first to "freeze" the
* more significant bits that are read later.
*/
@@ -1125,10 +1102,8 @@
if ( !data->valid ||
(jiffies - data->last_config > LM85_CONFIG_INTERVAL) ) {
/* Things that don't change often */
+ dev_dbg(&client->dev, "Reading config values\n");

- if (lm85debug) {
- printk("lm85(%d): Reading config values\n", client->id);
- }
for (i = 0; i <= 4; ++i) {
data->in_min[i] =
lm85_read_value(client, LM85_REG_IN_MIN(i));
@@ -1234,8 +1209,6 @@
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Philip Pokorny <ppokorny@penguincomputing.com>, Margit Schubert-While <margitsw@t-online.de>");
MODULE_DESCRIPTION("LM85-B, LM85-C driver");
-MODULE_PARM(lm85debug, "i");
-MODULE_PARM_DESC(lm85debug, "Enable debugging statements");

module_init(sm_lm85_init);
module_exit(sm_lm85_exit);
-
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