diff options
Diffstat (limited to 'drivers/soc')
| -rw-r--r-- | drivers/soc/tegra/pmc.c | 30 |
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 2ccbdfe751db..ecc1ec0a4ada 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -792,16 +792,19 @@ error: static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) { struct tegra_powergate *pg; + int id, err; bool off; - int id; pg = kzalloc(sizeof(*pg), GFP_KERNEL); if (!pg) - goto error; + return; id = tegra_powergate_lookup(pmc, np->name); - if (id < 0) + if (id < 0) { + dev_err(pmc->dev, "powergate lookup failed for %s: %d\n", + np->name, id); goto free_mem; + } /* * Clear the bit for this powergate so it cannot be managed @@ -817,16 +820,28 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) off = !tegra_powergate_is_powered(pg->id); - if (tegra_powergate_of_get_clks(pg, np)) + err = tegra_powergate_of_get_clks(pg, np); + if (err < 0) { + dev_err(pmc->dev, "failed to get clocks for %s: %d\n", + np->name, err); goto set_available; + } - if (tegra_powergate_of_get_resets(pg, np, off)) + err = tegra_powergate_of_get_resets(pg, np, off); + if (err < 0) { + dev_err(pmc->dev, "failed to get resets for %s: %d\n", + np->name, err); goto remove_clks; + } pm_genpd_init(&pg->genpd, NULL, off); - if (of_genpd_add_provider_simple(np, &pg->genpd)) + err = of_genpd_add_provider_simple(np, &pg->genpd); + if (err < 0) { + dev_err(pmc->dev, "failed to add genpd provider for %s: %d\n", + np->name, err); goto remove_resets; + } dev_dbg(pmc->dev, "added power domain %s\n", pg->genpd.name); @@ -849,9 +864,6 @@ set_available: free_mem: kfree(pg); - -error: - dev_err(pmc->dev, "failed to create power domain for %s\n", np->name); } static void tegra_powergate_init(struct tegra_pmc *pmc) |