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w1: mxc_w1: Fix mxc_w1_ds2_reset_bus() return value

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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_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Shiyan 2014-02-22 11:29:49 +04:00 committed by Greg Kroah-Hartman
parent adffe4ab96
commit aea476b505
1 changed files with 1 additions and 1 deletions
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2
drivers/w1/masters/mxc_w1.c
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@ -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;
}
/*