[PATCH 3/5] ARM64: kernel: psci: let ACPI probe PSCI version
From: guohanjun@huawei.com (Hanjun Guo)
Date: 2015-03-25 13:35:43
Also in:
linux-acpi, lkml
On 2015/3/25 1:58, Lorenzo Pieralisi wrote:
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 <redacted> Cc: Hanjun Guo <redacted> Cc: Sudeep Holla <redacted> Cc: Mark Rutland <mark.rutland@arm.com> ---
Reviewed-by: Hanjun Guo <redacted> Thanks Hanjun
quoted hunk ↗ jump to hunk
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