This patch fix mxc_w1_ds2_reset_bus() return value. According to i.MX reference manual, "presence status" reflected in the bit 6 of control register.
Signed-off-by: Alexander Shiyan <shc_w...@mail.ru> --- drivers/w1/masters/mxc_w1.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index 1e5d94c..6525b2c 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c @@ -74,7 +74,7 @@ static u8 mxc_w1_ds2_reset_bus(void *data) udelay(100); } - return (reg_val >> 7) & 0x1; + return (reg_val >> 6) & 0x1; } /* -- 1.8.3.2 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/