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memory: tegra30-emc: Fix panic on suspend 

Trying to suspend driver results in a crash if timings aren't available in
device-tree.

Reported-by: Jon Hunter <jonathanh@nvidia.com>
Fixes: e34212c75a ("memory: tegra: Introduce Tegra30 EMC driver")
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Dmitry Osipenko 2019-11-15 19:26:42 +03:00 committed by Thierry Reding
parent 141bef44e1
commit 030d2829f4
1 changed files with 1 additions and 1 deletions
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2
drivers/memory/tegra/tegra30-emc.c
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@ -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);