diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2014-05-08 11:56:37 +0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-20 04:43:34 +0400 |
| commit | 7cbcb136a7d703f1bd590979a3d07348fe1bc81d (patch) | |
| tree | dc161ed7883bf6ad2aa02952b5015c2a95f4dd46 /drivers/w1 | |
| parent | 343fcb8c70d76967ba64493ca984e40baad9d0f6 (diff) | |
| download | linux-7cbcb136a7d703f1bd590979a3d07348fe1bc81d.tar.xz | |
w1: mxc_w1: Fix incorrect "presence" status
W1 reset_bus() should return zero if slave device is present.
This patch fix this issue.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/w1')
| -rw-r--r-- | drivers/w1/masters/mxc_w1.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/w1/masters/mxc_w1.c b/drivers/w1/masters/mxc_w1.c index 67b067a3e2ab..a5df5e89d456 100644 --- a/drivers/w1/masters/mxc_w1.c +++ b/drivers/w1/masters/mxc_w1.c @@ -66,7 +66,7 @@ static u8 mxc_w1_ds2_reset_bus(void *data) udelay(100); } - return !!(reg_val & MXC_W1_CONTROL_PST); + return !(reg_val & MXC_W1_CONTROL_PST); } /* |