hwmon: (lm70) Allow 4wire SPI bus with LM70

Removing the 3wire limitation on LM70 as the component also allows
operation on 4wire SPI bus

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/hwmon/lm70.c b/drivers/hwmon/lm70.c
index dd7f0cafd197..1da62f616db5 100644
--- a/drivers/hwmon/lm70.c
+++ b/drivers/hwmon/lm70.c
@@ -143,10 +143,6 @@ static int __devinit lm70_probe(struct spi_device *spi)
         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 = devm_kzalloc(&spi->dev, sizeof(*p_lm70), GFP_KERNEL);