diff --git a/drivers/iio/adc/spear_adc.c b/drivers/iio/adc/spear_adc.c
index 592b97c464daca2ea9a1a97a6119f0ec8ce7fed0..0ad536494e8f2819040ecf6c854c14b511165cec 100644
--- a/drivers/iio/adc/spear_adc.c
+++ b/drivers/iio/adc/spear_adc.c
@@ -260,7 +260,6 @@ static int spear_adc_probe(struct platform_device *pdev)
 	struct device_node *np = pdev->dev.of_node;
 	struct device *dev = &pdev->dev;
 	struct spear_adc_state *st;
-	struct resource *res;
 	struct iio_dev *indio_dev = NULL;
 	int ret = -ENODEV;
 	int irq;
@@ -279,8 +278,7 @@ static int spear_adc_probe(struct platform_device *pdev)
 	 * (e.g. SPEAr3xx). Let's provide two register base addresses
 	 * to support multi-arch kernels.
 	 */
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	st->adc_base_spear6xx = devm_ioremap_resource(&pdev->dev, res);
+	st->adc_base_spear6xx = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(st->adc_base_spear6xx))
 		return PTR_ERR(st->adc_base_spear6xx);