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| author | Jisheng Zhang <jszhang@kernel.org> | 2023-06-15 00:55:02 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-07-06 10:32:03 -0700 |
| commit | 31ca5d49264ba6197aa48a926f6a035ed08b3715 (patch) | |
| tree | 112f09c25b721fe09dc98b1eb27360c4b4457a11 | |
| parent | ac9a78681b921877518763ba0e89202254349d1b (diff) | |
| download | linux-pm-31ca5d49264ba6197aa48a926f6a035ed08b3715.tar.gz | |
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: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230614165504.532-2-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
| -rw-r--r-- | arch/riscv/errata/thead/errata.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c index c259dc925ec1e7..be84b14f01180a 100644 --- a/arch/riscv/errata/thead/errata.c +++ b/arch/riscv/errata/thead/errata.c @@ -45,8 +45,11 @@ static bool errata_probe_cmo(unsigned int stage, if (stage == RISCV_ALTERNATIVES_EARLY_BOOT) return false; - riscv_cbom_block_size = L1_CACHE_BYTES; - riscv_noncoherent_supported(); + if (stage == RISCV_ALTERNATIVES_BOOT) { + riscv_cbom_block_size = L1_CACHE_BYTES; + riscv_noncoherent_supported(); + } + return true; } |