From mboxrd@z Thu Jan  1 00:00:00 1970
From: lee.jones@linaro.org (Lee Jones)
Date: Fri, 3 May 2013 15:21:46 +0100
Subject: [PATCH 4/4 v2] staging: =?utf-8?Q?ste=5Frm?=
 =?utf-8?Q?i4=3A_Suppress_'ignoring_return_value_of_=E2=80=98regulator=5Fe?=
 =?utf-8?Q?nable=28=29'?= warning
In-Reply-To: <1367509690-24022-5-git-send-email-lee.jones@linaro.org>
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 <1367509690-24022-5-git-send-email-lee.jones@linaro.org>
Message-ID: <20130503142146.GO24153@gmail.com>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:
        In function ?synaptics_rmi4_resume?:
drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c:1090:18:
        warning: ignoring return value of ?regulator_enable?, declared
        with attribute warn_unused_result [-Wunused-result

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: devel at driverdev.osuosl.org
Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

diff --git a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
index fe667dd..386362c 100644
--- a/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
+++ b/drivers/staging/ste_rmi4/synaptics_i2c_rmi4.c
@@ -1087,7 +1087,11 @@ static int synaptics_rmi4_resume(struct device *dev)
 	unsigned char intr_status;
 	struct synaptics_rmi4_data *rmi4_data = dev_get_drvdata(dev);
 
-	regulator_enable(rmi4_data->regulator);
+	retval = regulator_enable(rmi4_data->regulator);
+	if (retval) {
+		dev_err(dev, "Regulator enable failed (%d)\n", retval);
+		return retval;
+	}
 
 	enable_irq(rmi4_data->i2c_client->irq);
 	rmi4_data->touch_stopped = false;