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

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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>
This commit is contained in:
Tero Kristo 2020-10-29 11:33:37 +02:00 committed by Arnd Bergmann
parent 01eea23687
commit 3d696f42c7
1 changed files with 1 additions and 1 deletions
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2
drivers/soc/ti/ti_sci_pm_domains.c
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@ -91,7 +91,7 @@ static struct generic_pm_domain *ti_sci_pd_xlate(
struct genpd_onecell_data *genpd_data = data; struct genpd_onecell_data *genpd_data = data;
unsigned int idx = genpdspec->args[0]; unsigned int idx = genpdspec->args[0];
if (genpdspec->args_count < 2) if (genpdspec->args_count != 1 && genpdspec->args_count != 2)
return ERR_PTR(-EINVAL); return ERR_PTR(-EINVAL);
if (idx >= genpd_data->num_domains) { if (idx >= genpd_data->num_domains) {