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| author | Alexander Shiyan <shc_work@mail.ru> | 2014-05-08 09:56:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-06-20 02:51:46 +0200 |
| commit | 37014f5bd069d4ea1a509ae1a978a74b1aa920b2 (patch) | |
| tree | 750e5d6e2048959616ba172b5d3aeb36f95a4f82 /drivers/w1 | |
| parent | Revert "uio: fix vma io range check in mmap" (diff) | |
| download | linux-37014f5bd069d4ea1a509ae1a978a74b1aa920b2.tar.xz linux-37014f5bd069d4ea1a509ae1a978a74b1aa920b2.zip | |
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); } /* |