Commit b65be635 authored Apr 03, 2019 by Fabien Parent Committed by Ulf Hansson Apr 15, 2019

mmc: mtk-sd: check for valid optional memory resource



'top_base' memory region is optional. Check that the resource is valid
before using it. This avoid getting a "invalid resource" error message
printed by the kernel.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

parent c278150e

drivers/mmc/host/mtk-sd.c

+5 −3

Original line number	Diff line number	Diff line
		@@ -2134,9 +2134,11 @@ static int msdc_drv_probe(struct platform_device *pdev)
		}

		res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
		if (res) {
		host->top_base = devm_ioremap_resource(&pdev->dev, res);
		if (IS_ERR(host->top_base))
		host->top_base = NULL;
		}

		ret = mmc_regulator_get_supply(mmc);
		if (ret)

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