diff options
| author | Jean Delvare <khali@linux-fr.org> | 2011-08-31 19:53:41 +0400 |
|---|---|---|
| committer | Guenter Roeck <guenter.roeck@ericsson.com> | 2011-09-06 19:56:07 +0400 |
| commit | f020b007d5dd24597f5e985a6309bcb8393797ed (patch) | |
| tree | 17d7db505904c9cb57c79e586d31eb79376dd9b6 /drivers/hwmon/pmbus | |
| parent | d91aae1e52e5289a94f4ddff968decfc8d37271e (diff) | |
| download | linux-f020b007d5dd24597f5e985a6309bcb8393797ed.tar.xz | |
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>
Diffstat (limited to 'drivers/hwmon/pmbus')
| -rw-r--r-- | drivers/hwmon/pmbus/ucd9000.c | 6 | ||||
| -rw-r--r-- | drivers/hwmon/pmbus/ucd9200.c | 6 |
2 files changed, 4 insertions, 8 deletions
diff --git a/drivers/hwmon/pmbus/ucd9000.c b/drivers/hwmon/pmbus/ucd9000.c index ace1c7319734..d0ddb60155c9 100644 --- a/drivers/hwmon/pmbus/ucd9000.c +++ b/drivers/hwmon/pmbus/ucd9000.c @@ -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; } diff --git a/drivers/hwmon/pmbus/ucd9200.c b/drivers/hwmon/pmbus/ucd9200.c index ffcc1cf3609d..c65e9da707cc 100644 --- a/drivers/hwmon/pmbus/ucd9200.c +++ b/drivers/hwmon/pmbus/ucd9200.c @@ -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; } |