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memory: tegra124-emc: Continue probing if timings are missing in device-tree 

EMC driver will become mandatory after turning it into interconnect
provider because interconnect users, like display controller driver, will
fail to probe using newer device-trees that have interconnect properties.
Thus make EMC driver to probe even if timings are missing in device-tree.

Tested-by: Nicolas Chauvet <kwizart@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20201228154920.18846-3-digetx@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
This commit is contained in:
Dmitry Osipenko 2020-12-28 18:49:17 +03:00 committed by Krzysztof Kozlowski
parent 281462e593
commit 9c56679d6f
1 changed files with 9 additions and 17 deletions
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26
drivers/memory/tegra/tegra124-emc.c
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@ -1201,23 +1201,15 @@ static int tegra_emc_probe(struct platform_device *pdev)
ram_code = tegra_read_ram_code();
np = tegra_emc_find_node_by_ram_code(pdev->dev.of_node, ram_code);
if (!np) {
dev_err(&pdev->dev,
"no memory timings for RAM code %u found in DT\n",
ram_code);
return -ENOENT;
}
err = tegra_emc_load_timings_from_dt(emc, np);
of_node_put(np);
if (err)
return err;
if (emc->num_timings == 0) {
dev_err(&pdev->dev,
"no memory timings for RAM code %u registered\n",
ram_code);
return -ENOENT;
if (np) {
err = tegra_emc_load_timings_from_dt(emc, np);
of_node_put(np);
if (err)
return err;
} else {
dev_info(&pdev->dev,
"no memory timings for RAM code %u found in DT\n",
ram_code);
}
err = emc_init(emc);