PSCI v0.2+ allows the kernel to probe the PSCI firmware version.
This patch replaces the default initialization of PSCI v0.2+
functions with code that allows probing PSCI firmware version
and initializes PSCI functions accordingly.
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieral...@arm.com>
Cc: Hanjun Guo <hanjun....@linaro.org>
Cc: Sudeep Holla <sudeep.ho...@arm.com>
Cc: Mark Rutland <mark.rutl...@arm.com>
---
arch/arm64/kernel/psci.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/arch/arm64/kernel/psci.c b/arch/arm64/kernel/psci.c
index 2caac44..ea18cb5 100644
--- a/arch/arm64/kernel/psci.c
+++ b/arch/arm64/kernel/psci.c
@@ -439,9 +439,7 @@ int __init psci_acpi_init(void)
else
invoke_psci_fn = __invoke_psci_fn_smc;
- psci_0_2_set_functions();
-
- return 0;
+ return psci_probe();
}
#ifdef CONFIG_SMP
--
2.2.1
--
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