soc/tegra: pmc: Ensure powergate is available when powering on
The function tegra_power_sequence_power_up() is a public function used
to power on a partition. When this function is called, we do not check
to see if the partition being powered up is valid/available. Fix this
by checking to see that the partition is valid/available.
Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 8a421a0..52a9e97 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -549,6 +549,9 @@
struct tegra_powergate pg;
int err;
+ if (!tegra_powergate_is_available(id))
+ return -EINVAL;
+
pg.id = id;
pg.clks = &clk;
pg.num_clks = 1;
