memory: tegra: Fixes for v5.5-rc1

This contains a fix for a kernel panic that can occur on suspend if EMC
 timings are not available in device tree.
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Merge tag 'tegra-for-5.5-memory-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into arm/fixes

memory: tegra: Fixes for v5.5-rc1

This contains a fix for a kernel panic that can occur on suspend if EMC
timings are not available in device tree.

* tag 'tegra-for-5.5-memory-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux:
  memory: tegra30-emc: Fix panic on suspend

Link: https://lore.kernel.org/r/20191204130753.3614278-1-thierry.reding@gmail.com
Signed-off-by: Olof Johansson <olof@lixom.net>

drivers/memory/tegra/tegra30-emc.c

@@ -1093,7 +1093,7 @@ static int tegra_emc_probe(struct platform_device *pdev)
 	if (of_get_child_count(pdev->dev.of_node) == 0) {
 		dev_info(&pdev->dev,
 			 "device-tree node doesn't have memory timings\n");
-		return 0;
+		return -ENODEV;
 	}
 
 	np = of_parse_phandle(pdev->dev.of_node, "nvidia,memory-controller", 0);