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authorAlexander Shiyan <shc_work@mail.ru>2014-05-08 11:56:37 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-06-19 17:43:34 -0700
commit7cbcb136a7d703f1bd590979a3d07348fe1bc81d (patch)
treedc161ed7883bf6ad2aa02952b5015c2a95f4dd46
parent343fcb8c70d76967ba64493ca984e40baad9d0f6 (diff)
downloadlinux-7cbcb136a7d703f1bd590979a3d07348fe1bc81d.tar.bz2
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>
-rw-r--r--drivers/w1/masters/mxc_w1.c2
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);
}
/*