soc: ti: ti_sci_pm_domains: check for proper args count in xlate

K2G devices still only use single parameter for power-domains property, so check for this properly in the driver. Without this, every peripheral fails to probe resulting in boot failure. Link: https://lore.kernel.org/r/[email protected] Fixes: efa5c01 ("soc: ti: ti_sci_pm_domains: switch to use multiple genpds instead of one") Reported-by: Nishanth Menon <[email protected]> Signed-off-by: Tero Kristo <[email protected]> Acked-by: Nishanth Menon <[email protected]> Acked-by: Santosh Shilimkar <[email protected]> Signed-off-by: Arnd Bergmann <[email protected]>
berg · Oct 29, 2020 · 3d696f4 · 3d696f4
1 parent 01eea23
commit 3d696f4
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c
@@ -91,7 +91,7 @@ static struct generic_pm_domain *ti_sci_pd_xlate(
 	struct genpd_onecell_data *genpd_data = data;
 	unsigned int idx = genpdspec->args[0];
 
-	if (genpdspec->args_count < 2)
+	if (genpdspec->args_count != 1 && genpdspec->args_count != 2)
 		return ERR_PTR(-EINVAL);
 
 	if (idx >= genpd_data->num_domains) {