A-Team_Digital_Solutions/android_kernel_motorola_sm6375
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ARM: 8478/2: arm/arm64: add arm-smccc

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Adds helpers to do SMC and HVC based on ARM SMC Calling Convention.
CONFIG_HAVE_ARM_SMCCC is enabled for architectures that may support the
SMC or HVC instruction. It's the responsibility of the caller to know if
the SMC instruction is supported by the platform.

This patch doesn't provide an implementation of the declared functions.
Later patches will bring in implementations and set
CONFIG_HAVE_ARM_SMCCC for ARM and ARM64 respectively.

Reviewed-by: Lorenzo Pieralisi <[email protected]>
Signed-off-by: Jens Wiklander <[email protected]>
Signed-off-by: Russell King <[email protected]>
This commit is contained in:
Jens Wiklander 2016-01-04 15:37:32 +01:00 • committed by Russell King
commit 98dd64f34f
2 changed files with 107 additions and 0 deletions
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3
drivers/firmware/Kconfig
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@ -173,6 +173,9 @@ config QCOM_SCM_64
def_bool y
depends on QCOM_SCM && ARM64
config HAVE_ARM_SMCCC
bool
source "drivers/firmware/broadcom/Kconfig"
source "drivers/firmware/google/Kconfig"
source "drivers/firmware/efi/Kconfig"