Removing the 3wire limitation on LM70 as the component also allows operation on 4wire SPI bus Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx> diff -u linux-3.5-vanilla/drivers/hwmon/lm70.c linux-3.5/drivers/hwmon/lm70.c --- linux-3.5-vanilla/drivers/hwmon/lm70.c 2012-07-21 22:58:29.000000000 +0200 +++ linux-3.5/drivers/hwmon/lm70.c 2012-08-25 00:35:40.000000000 +0200 @@ -143,10 +143,6 @@ if (spi->mode & (SPI_CPOL | SPI_CPHA)) return -EINVAL; - /* 3-wire link (shared SI/SO) for LM70 */ - if (chip == LM70_CHIP_LM70 && !(spi->mode & SPI_3WIRE)) - return -EINVAL; - /* NOTE: we assume 8-bit words, and convert to 16 bits manually */ p_lm70 = kzalloc(sizeof *p_lm70, GFP_KERNEL); diff -u linux-3.5-vanilla/Documentation/hwmon/lm70 linux-3.5/Documentation/hwmon/lm70 --- linux-3.5-vanilla/Documentation/hwmon/lm70 2012-07-21 22:58:29.000000000 +0200 +++ linux-3.5/Documentation/hwmon/lm70 2012-08-25 00:37:15.000000000 +0200 @@ -31,9 +31,8 @@ with a "SPI master controller driver", see drivers/spi/spi_lm70llp.c and its associated documentation. -The TMP121/TMP123 are very similar; main differences are 4 wire SPI inter- -face (read only) and 13-bit temperature data (0.0625 degrees celsius reso- -lution). +The TMP121/TMP123 are very similar; main difference is 13-bit temperature +data (0.0625 degrees celsius resolution). Thanks to --------- _______________________________________________ lm-sensors mailing list lm-sensors@xxxxxxxxxxxxxx http://lists.lm-sensors.org/mailman/listinfo/lm-sensors