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hwmon: (ucd9000/ucd9200) Optimize array walk 

Rewrite the loop walking the id array during probe. The new code is
better adapted to a null-terminated array, and is also clearer and
more efficient than the original.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Axel Lin <axel.lin@gmail.com>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
hifive-unleashed-5.1
Jean Delvare 2011-08-31 11:53:41 -04:00 committed by Guenter Roeck
parent d91aae1e52
commit f020b007d5
2 changed files with 4 additions and 8 deletions
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6
drivers/hwmon/pmbus/ucd9000.c
View File

@ -141,13 +141,11 @@ static int ucd9000_probe(struct i2c_client *client,
block_buffer[ret] = '\0';
dev_info(&client->dev, "Device ID %s\n", block_buffer);
mid = NULL;
for (i = 0; i < ARRAY_SIZE(ucd9000_id); i++) {
mid = &ucd9000_id[i];
for (mid = ucd9000_id; mid->name[0]; mid++) {
if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
break;
}
if (!mid || !strlen(mid->name)) {
if (!mid->name[0]) {
dev_err(&client->dev, "Unsupported device\n");
return -ENODEV;
}

6
drivers/hwmon/pmbus/ucd9200.c
View File

@ -68,13 +68,11 @@ static int ucd9200_probe(struct i2c_client *client,
block_buffer[ret] = '\0';
dev_info(&client->dev, "Device ID %s\n", block_buffer);
mid = NULL;
for (i = 0; i < ARRAY_SIZE(ucd9200_id); i++) {
mid = &ucd9200_id[i];
for (mid = ucd9200_id; mid->name[0]; mid++) {
if (!strncasecmp(mid->name, block_buffer, strlen(mid->name)))
break;
}
if (!mid || !strlen(mid->name)) {
if (!mid->name[0]) {
dev_err(&client->dev, "Unsupported device\n");
return -ENODEV;
}