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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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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