[PATCH 4/5] soc/tegra: pmc: Check return code for pm_genpd_init()
From: Jon Hunter <hidden>
Date: 2016-10-22 19:23:55
Subsystem:
the rest · Maintainer:
Linus Torvalds
Commit 7eb231c337e0 ("PM / Domains: Convert pm_genpd_init() to return
an error code") updated pm_genpd_init() to return an error code. Update
the Tegra PMC driver to check the return value from pm_genpd_init() and
handle any errors returned.
Signed-off-by: Jon Hunter <redacted>
---
drivers/soc/tegra/pmc.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 8c9797379949..b6efb62ad1dd 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c@@ -849,7 +849,12 @@ static void tegra_powergate_add(struct tegra_pmc *pmc, struct device_node *np) (id == TEGRA_POWERGATE_XUSBA || id == TEGRA_POWERGATE_XUSBC)) goto power_on_cleanup; - pm_genpd_init(&pg->genpd, NULL, off); + err = pm_genpd_init(&pg->genpd, NULL, off); + if (err < 0) { + dev_err(pmc->dev, "failed to initialise genpd for %s: %d\n", + np->name, err); + goto remove_resets; + } err = of_genpd_add_provider_simple(np, &pg->genpd); if (err < 0) {
--
1.9.1