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authorTero Kristo <t-kristo@ti.com>2020-10-29 12:33:37 +0300
committerArnd Bergmann <arnd@arndb.de>2020-10-30 00:13:38 +0300
commit3d696f42c7f4bfcc54bde545898d4b89a74f9cc0 (patch)
treed9c3831f97a463c8410458b17e5750b380d8f80d /drivers/soc
parent01eea23687ed0aa4e251f80ae795fc586e68343a (diff)
downloadlinux-3d696f42c7f4bfcc54bde545898d4b89a74f9cc0.tar.xz
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/20201029093337.21170-1-t-kristo@ti.com Fixes: efa5c01cd7ee ("soc: ti: ti_sci_pm_domains: switch to use multiple genpds instead of one") Reported-by: Nishanth Menon <nm@ti.com> Signed-off-by: Tero Kristo <t-kristo@ti.com> Acked-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/soc')
-rw-r--r--drivers/soc/ti/ti_sci_pm_domains.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/soc/ti/ti_sci_pm_domains.c b/drivers/soc/ti/ti_sci_pm_domains.c
index af2126d2b2ff..8afb3f45d263 100644
--- 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) {