diff options
| author | Varadarajan Narayanan <[email protected]> | 2026-01-21 12:09:16 +0530 |
|---|---|---|
| committer | Casey Connolly <[email protected]> | 2026-04-27 12:38:44 +0200 |
| commit | f9e3f5f75c577895fac748f47acf684337ba2cee (patch) | |
| tree | 4ff622961d86c85bca3569d6579a63f93a593fd9 /arch/arm/include | |
| parent | c3d00f1827868ba88a081b1395a8fb9ec2e386e2 (diff) | |
arm: psci: Add API to check for support of specific PSCI function
Add an API to check if a specific PSCI function is supported or not.
This is based on the psci_features() function present in Linux kernel
(drivers/firmware/psci/psci.c).
Reviewed-by: Casey Connolly <[email protected]>
Reviewed-by: Sumit Garg <[email protected]>
Signed-off-by: Varadarajan Narayanan <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Casey Connolly <[email protected]>
Diffstat (limited to 'arch/arm/include')
| -rw-r--r-- | arch/arm/include/asm/system.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/include/asm/system.h b/arch/arm/include/asm/system.h index 9e3ad57073d..5ed6833c155 100644 --- a/arch/arm/include/asm/system.h +++ b/arch/arm/include/asm/system.h @@ -342,6 +342,7 @@ void smc_call(struct pt_regs *args); void __noreturn psci_system_reset(void); void __noreturn psci_system_reset2(u32 reset_level, u32 cookie); void __noreturn psci_system_off(void); +int psci_features(u32 psci_func_id); #ifdef CONFIG_ARMV8_PSCI extern char __secure_start[]; |