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@xxxxxxxxxx> --- drivers/soc/tegra/pmc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index 8a421a0b1ece..52a9e9703668 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -549,6 +549,9 @@ int tegra_powergate_sequence_power_up(unsigned int id, struct clk *clk, struct tegra_powergate pg; int err; + if (!tegra_powergate_is_available(id)) + return -EINVAL; + pg.id = id; pg.clks = &clk; pg.num_clks = 1; -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html