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Message-Id: <1399535800-19335-1-git-send-email-shc_work@mail.ru> Date: Thu, 8 May 2014 11:56:37 +0400 From: Alexander Shiyan <shc_work@...l.ru> To: linux-kernel@...r.kernel.org Cc: Evgeniy Polyakov <zbr@...emap.net>, Sascha Hauer <kernel@...gutronix.de>, Shawn Guo <shawn.guo@...escale.com>, Alexander Shiyan <shc_work@...l.ru> Subject: [PATCH 1/4] 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@...l.ru> --- Please apply this patch to current -rc if it possible. --- 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 67b067a..a5df5e8 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); } /* -- 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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