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Message-Id: <1393054191-8623-2-git-send-email-shc_work@mail.ru>
Date:	Sat, 22 Feb 2014 11:29:49 +0400
From:	Alexander Shiyan <shc_work@...l.ru>
To:	linux-kernel@...r.kernel.org
Cc:	Evgeniy Polyakov <zbr@...emap.net>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Shawn Guo <shawn.guo@...aro.org>,
	Sascha Hauer <kernel@...gutronix.de>,
	Alexander Shiyan <shc_work@...l.ru>
Subject: [PATCH 2/4] w1: mxc_w1: Fix mxc_w1_ds2_reset_bus() return value

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@...l.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

--
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