riscv: Add stimecmp save and restore

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If the HW support the SSTC extension, we should save and restore the
stimecmp register while cpu non retention suspend.

Signed-off-by: Nick Hu <nick.hu@sifive.com>
Reviewed-by: Anup Patel <anup@brainfault.org>
Link: https://lore.kernel.org/r/20250219114135.27764-2-nick.hu@sifive.com
Signed-off-by: Alexandre Ghiti <alexghiti@rivosinc.com>

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Nick Hu 2025-02-19 19:41:34 +08:00 • committed by Alexandre Ghiti

parent 6586788f0a

commit ffef54ad41

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4

arch/riscv/include/asm/suspend.h

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14

arch/riscv/kernel/suspend.c

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