Unverified Commit 31ca5d49 authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Palmer Dabbelt
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riscv: errata: thead: only set cbom size & noncoherent during boot 



The CBOM size and whether the HW is noncoherent is known and
determined during booting and won't change after that.

Signed-off-by: default avatarJisheng Zhang <jszhang@kernel.org>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230614165504.532-2-jszhang@kernel.org


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent ac9a7868

arch/riscv/errata/thead/errata.c

+5 −2
Original line number Diff line number Diff line
@@ -45,8 +45,11 @@ static bool errata_probe_cmo(unsigned int stage, 
	if (stage == RISCV_ALTERNATIVES_EARLY_BOOT)

		return false;



	if (stage == RISCV_ALTERNATIVES_BOOT) {

		riscv_cbom_block_size = L1_CACHE_BYTES;

		riscv_noncoherent_supported();

	}



	return true;

}