[PATCH 2/4] staging:iio:lpc32xx_adc: Use resource_size instead of opencoding it

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Fixes the following error from coccicheck:
	drivers/staging/iio/adc/lpc32xx_adc.c:153:43-46: ERROR: Missing resource_size with res

Signed-off-by: Lars-Peter Clausen <lars@xxxxxxxxxx>
Cc: Roland Stigge <stigge@xxxxxxxxx>
---
 drivers/staging/iio/adc/lpc32xx_adc.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/adc/lpc32xx_adc.c b/drivers/staging/iio/adc/lpc32xx_adc.c
index 7e9bd00..10c5962 100644
--- a/drivers/staging/iio/adc/lpc32xx_adc.c
+++ b/drivers/staging/iio/adc/lpc32xx_adc.c
@@ -150,7 +150,7 @@ static int __devinit lpc32xx_adc_probe(struct platform_device *pdev)
 
 	info = iio_priv(iodev);
 
-	info->adc_base = ioremap(res->start, res->end - res->start + 1);
+	info->adc_base = ioremap(res->start, resource_size(res));
 	if (!info->adc_base) {
 		dev_err(&pdev->dev, "failed mapping memory\n");
 		retval = -EBUSY;
-- 
1.7.10.4

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