linux-kernel - [PATCH 4/5] mfd: avoid to return failure in 88pm860x

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Date:	Mon,  6 Aug 2012 00:32:52 +0800
From:	Haojian Zhuang <haojian.zhuang@...il.com>
To:	sameo@...ux.intel.com, broonie@...nsource.wolfsonmicro.com,
	rpurdie@...ys.net, bryan.wu@...onical.com,
	linux-kernel@...r.kernel.org
Cc:	Haojian Zhuang <haojian.zhuang@...il.com>
Subject: [PATCH 4/5] mfd: avoid to return failure in 88pm860x

While touch field of 88pm860x platform_data isn't assigned, probe
function returns failure. Now update code to only return without
failure since touch field isn't always used in each usage scenario.

Signed-off-by: Haojian Zhuang <haojian.zhuang@...il.com>
---
 drivers/mfd/88pm860x-core.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index bde9231..60faf9b 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -551,7 +551,7 @@ static int __devinit device_gpadc_init(struct pm860x_chip *chip,
 	/* initialize GPADC without activating it */
 
 	if (!pdata || !pdata->touch)
-		return -EINVAL;
+		return 0;
 
 	/* set GPADC MISC1 register */
 	data = 0;
-- 
1.7.9.5

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