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-rw-r--r--drivers/soc/tegra/pmc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c
index 48e1de2f7aeb..1f702538f8ec 100644
--- a/drivers/soc/tegra/pmc.c
+++ b/drivers/soc/tegra/pmc.c
@@ -1228,6 +1228,14 @@ static int tegra_pmc_probe(struct platform_device *pdev)
struct resource *res;
int err;
+ /*
+ * Early initialisation should have configured an initial
+ * register mapping and setup the soc data pointer. If these
+ * are not valid then something went badly wrong!
+ */
+ if (WARN_ON(!pmc->base || !pmc->soc))
+ return -ENODEV;
+
err = tegra_pmc_parse_dt(pmc, pdev->dev.of_node);
if (err < 0)
return err;