From: Fabio Estevam <fabio.estevam@freescale.com>
Date: Fri, 3 Oct 2014 01:25:24 +0000 (-0300)
Subject: iio: adc: vf610: Disable the regulator on error
X-Git-Tag: v5.15~16669^2~446^2~22
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9da64c25ffefa60b969c64176098ae616219f759;p=platform%2Fkernel%2Flinux-starfive.git

iio: adc: vf610: Disable the regulator on error

If clk_prepare_enable() fails we should disable the regulator that was
previously enabled.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
---

diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index ebb73f5..767e9b9 100644
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -704,11 +704,15 @@ static int vf610_adc_resume(struct device *dev)
 
 	ret = clk_prepare_enable(info->clk);
 	if (ret)
-		return ret;
+		goto disable_reg;
 
 	vf610_adc_hw_init(info);
 
 	return 0;
+
+disable_reg:
+	regulator_disable(info->vref);
+	return ret;
 }
 #endif