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bus: fsl-mc: add back accidentally dropped error check

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A previous patch accidentally dropped an error check, so add it back.

Fixes: aef85b56c3 ("bus: fsl-mc: MC control registers are not always available")
Signed-off-by: Laurentiu Tudor <laurentiu.tudor@nxp.com>
Link: https://lore.kernel.org/r/20201105153050.19662-1-laurentiu.tudor@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Laurentiu Tudor 2020-11-05 17:30:49 +02:00 committed by Greg Kroah-Hartman
parent aec273a319
commit 61243c03dd
1 changed files with 4 additions and 1 deletions
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5
drivers/bus/fsl-mc/fsl-mc-bus.c
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@ -967,8 +967,11 @@ static int fsl_mc_bus_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, mc);
plat_res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
if (plat_res)
if (plat_res) {
mc->fsl_mc_regs = devm_ioremap_resource(&pdev->dev, plat_res);
if (IS_ERR(mc->fsl_mc_regs))
return PTR_ERR(mc->fsl_mc_regs);
}
if (mc->fsl_mc_regs && IS_ENABLED(CONFIG_ACPI) &&
!dev_of_node(&pdev->dev)) {