diff options
| author | Clément Léger <clement.leger@bootlin.com> | 2022-06-06 16:57:00 +0200 |
|---|---|---|
| committer | Claudiu Beznea <claudiu.beznea@microchip.com> | 2022-07-20 11:03:45 +0300 |
| commit | c71572aa544ca64cbd2ff2052c79bc7e3573baed (patch) | |
| tree | 08a42a1ba6f90011f1db04b4622d7cdde2c1cab2 /arch/arm/mach-at91 | |
| parent | f2906aa863381afb0015a9eb7fefad885d4e5a56 (diff) | |
ARM: at91: add sam_linux_is_optee_available() function
Add sam_linux_is_optee_available() which allows to know if OP-TEE is
available for Linux. This function is used by code which needs to
know if we running with OP-TEE available or not.
Signed-off-by: Clément Léger <clement.leger@bootlin.com>
[claudiu.beznea: edit commit title and message, renamed
sam_linux_is_in_normal_world() into sam_linux_is_optee_available()]
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Link: https://lore.kernel.org/r/20220606145701.185552-2-clement.leger@bootlin.com
Diffstat (limited to 'arch/arm/mach-at91')
| -rw-r--r-- | arch/arm/mach-at91/sam_secure.c | 6 | ||||
| -rw-r--r-- | arch/arm/mach-at91/sam_secure.h | 1 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/mach-at91/sam_secure.c b/arch/arm/mach-at91/sam_secure.c index 2a01f7a7d13f..f7789cbe289f 100644 --- a/arch/arm/mach-at91/sam_secure.c +++ b/arch/arm/mach-at91/sam_secure.c @@ -27,6 +27,12 @@ struct arm_smccc_res sam_smccc_call(u32 fn, u32 arg0, u32 arg1) return res; } +bool sam_linux_is_optee_available(void) +{ + /* If optee has been detected, then we are running in normal world */ + return optee_available; +} + void __init sam_secure_init(void) { struct device_node *np; diff --git a/arch/arm/mach-at91/sam_secure.h b/arch/arm/mach-at91/sam_secure.h index 1e7d8b20ba1e..1a0b5ebbfc39 100644 --- a/arch/arm/mach-at91/sam_secure.h +++ b/arch/arm/mach-at91/sam_secure.h @@ -14,5 +14,6 @@ void __init sam_secure_init(void); struct arm_smccc_res sam_smccc_call(u32 fn, u32 arg0, u32 arg1); +bool sam_linux_is_optee_available(void); #endif /* SAM_SECURE_H */ |