As kind is now hard-coded to -1, there is room for code clean-ups.
Signed-off-by: Jean Delvare <khali@xxxxxxxxxxxx>
---
The patch looks large, but most of it is really only removing one
depth of indentation.
drivers/hwmon/lm77.c | 78 ++++++++++++++++++++++++--------------------------
1 file changed, 38 insertions(+), 40 deletions(-)
--- linux-2.6.32-rc3.orig/drivers/hwmon/lm77.c 2009-10-06 10:33:15.000000000 +0200
+++ linux-2.6.32-rc3/drivers/hwmon/lm77.c 2009-10-06 11:44:30.000000000 +0200
@@ -249,6 +249,7 @@ static int lm77_detect(struct i2c_client
struct i2c_board_info *info)
{
struct i2c_adapter *adapter = new_client->adapter;
+ int i, cur, conf, hyst, crit, min, max;
if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA |
I2C_FUNC_SMBUS_WORD_DATA))
@@ -265,51 +266,48 @@ static int lm77_detect(struct i2c_client
4. registers cycling over 8-address boundaries
Word-sized registers are high-byte first. */
- if (kind < 0) {
- int i, cur, conf, hyst, crit, min, max;
- /* addresses cycling */
- cur = i2c_smbus_read_word_data(new_client, 0);
- conf = i2c_smbus_read_byte_data(new_client, 1);
- hyst = i2c_smbus_read_word_data(new_client, 2);
- crit = i2c_smbus_read_word_data(new_client, 3);
- min = i2c_smbus_read_word_data(new_client, 4);
- max = i2c_smbus_read_word_data(new_client, 5);
- for (i = 8; i <= 0xff; i += 8)
- if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
- || i2c_smbus_read_word_data(new_client, i + 2) != hyst
- || i2c_smbus_read_word_data(new_client, i + 3) != crit
- || i2c_smbus_read_word_data(new_client, i + 4) != min
- || i2c_smbus_read_word_data(new_client, i + 5) != max)
- return -ENODEV;
-
- /* sign bits */
- if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0)
- || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0)
- || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0)
- || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0)
- || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0))
+ /* addresses cycling */
+ cur = i2c_smbus_read_word_data(new_client, 0);
+ conf = i2c_smbus_read_byte_data(new_client, 1);
+ hyst = i2c_smbus_read_word_data(new_client, 2);
+ crit = i2c_smbus_read_word_data(new_client, 3);
+ min = i2c_smbus_read_word_data(new_client, 4);
+ max = i2c_smbus_read_word_data(new_client, 5);
+ for (i = 8; i <= 0xff; i += 8) {
+ if (i2c_smbus_read_byte_data(new_client, i + 1) != conf
+ || i2c_smbus_read_word_data(new_client, i + 2) != hyst
+ || i2c_smbus_read_word_data(new_client, i + 3) != crit
+ || i2c_smbus_read_word_data(new_client, i + 4) != min
+ || i2c_smbus_read_word_data(new_client, i + 5) != max)
return -ENODEV;
+ }
- /* unused bits */
- if (conf & 0xe0)
- return -ENODEV;
+ /* sign bits */
+ if (((cur & 0x00f0) != 0xf0 && (cur & 0x00f0) != 0x0)
+ || ((hyst & 0x00f0) != 0xf0 && (hyst & 0x00f0) != 0x0)
+ || ((crit & 0x00f0) != 0xf0 && (crit & 0x00f0) != 0x0)
+ || ((min & 0x00f0) != 0xf0 && (min & 0x00f0) != 0x0)
+ || ((max & 0x00f0) != 0xf0 && (max & 0x00f0) != 0x0))
+ return -ENODEV;
- /* 0x06 and 0x07 return the last read value */
- cur = i2c_smbus_read_word_data(new_client, 0);
- if (i2c_smbus_read_word_data(new_client, 6) != cur
- || i2c_smbus_read_word_data(new_client, 7) != cur)
- return -ENODEV;
- hyst = i2c_smbus_read_word_data(new_client, 2);
- if (i2c_smbus_read_word_data(new_client, 6) != hyst
- || i2c_smbus_read_word_data(new_client, 7) != hyst)
- return -ENODEV;
- min = i2c_smbus_read_word_data(new_client, 4);
- if (i2c_smbus_read_word_data(new_client, 6) != min
- || i2c_smbus_read_word_data(new_client, 7) != min)
- return -ENODEV;
+ /* unused bits */
+ if (conf & 0xe0)
+ return -ENODEV;
- }
+ /* 0x06 and 0x07 return the last read value */
+ cur = i2c_smbus_read_word_data(new_client, 0);
+ if (i2c_smbus_read_word_data(new_client, 6) != cur
+ || i2c_smbus_read_word_data(new_client, 7) != cur)
+ return -ENODEV;
+ hyst = i2c_smbus_read_word_data(new_client, 2);
+ if (i2c_smbus_read_word_data(new_client, 6) != hyst
+ || i2c_smbus_read_word_data(new_client, 7) != hyst)
+ return -ENODEV;
+ min = i2c_smbus_read_word_data(new_client, 4);
+ if (i2c_smbus_read_word_data(new_client, 6) != min
+ || i2c_smbus_read_word_data(new_client, 7) != min)
+ return -ENODEV;
strlcpy(info->type, "lm77", I2C_NAME_SIZE);
--
Jean Delvare
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