gpio: tz1090-pdc: Use resource_size to fix off-by-one resource size calculation

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/gpio/gpio-tz1090-pdc.c b/drivers/gpio/gpio-tz1090-pdc.c
index d7536226b847..ede7e403ffde 100644
--- a/drivers/gpio/gpio-tz1090-pdc.c
+++ b/drivers/gpio/gpio-tz1090-pdc.c
@@ -190,7 +190,7 @@ static int tz1090_pdc_gpio_probe(struct platform_device *pdev)
 
         /* Ioremap the registers */
         priv->reg = devm_ioremap(&pdev->dev, res_regs->start,
-                                 res_regs->end - res_regs->start);
+                                 resource_size(res_regs));
         if (!priv->reg) {
                 dev_err(&pdev->dev, "unable to ioremap registers\n");
                 return -ENOMEM;