phy: fix resource_size.cocci warnings

drivers/phy/microchip/sparx5_serdes.c:2440:54-57: ERROR: Missing resource_size with iores

 Use resource_size function on resource object
 instead of explicit computation.

Generated by: scripts/coccinelle/api/resource_size.cocci

Fixes: 2ff8a1eeb5aa ("phy: Add Sparx5 ethernet serdes PHY driver")
CC: Steen Hegelund <steen.hegelund@microchip.com>
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/r/20210318232844.GA65886@63b0c5462fda
Signed-off-by: Vinod Koul <vkoul@kernel.org>

diff --git a/drivers/phy/microchip/sparx5_serdes.c b/drivers/phy/microchip/sparx5_serdes.c
index 338a4220b45fa2d93ef30cf35d956f24e879d218..c8a7d0927ced10d26ef906c9ee95048117cd4a61 100644 (file)
--- a/drivers/phy/microchip/sparx5_serdes.c
+++ b/drivers/phy/microchip/sparx5_serdes.c
@@ -2470,7 +2470,7 @@ static int sparx5_serdes_probe(struct platform_device *pdev)
        priv->coreclock = clock;
 
        iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       iomem = devm_ioremap(priv->dev, iores->start, iores->end - iores->start + 1);
+       iomem = devm_ioremap(priv->dev, iores->start, resource_size(iores));
        if (IS_ERR(iomem)) {
                dev_err(priv->dev, "Unable to get serdes registers: %s\n",
                        iores->name);