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| author |   Heiko Stuebner <heiko@sntech.de> | 2022-09-05 13:10:27 +0200 |
|---|---|---|
| committer |   Palmer Dabbelt <palmer@rivosinc.com> | 2022-10-13 08:46:30 -0700 |
| commit | 14057733109dcc83c35a6730f3b7112aac4d2b82 (patch) | |
| tree | 754cd9b0b4f6a325a5839116b093250673e1849e /arch | |
| parent | riscv: use BIT() marco for cpufeature probing (diff) | |
| download | linux-dev-14057733109dcc83c35a6730f3b7112aac4d2b82.tar.xz linux-dev-14057733109dcc83c35a6730f3b7112aac4d2b82.zip | |
riscv: check for kernel config option in t-head memory types errata
The t-head variant of page-based memory types should also check first
for the enabled kernel config option.
Fixes: a35707c3d850 ("riscv: add memory-type errata for T-Head")
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20220905111027.2463297-6-heiko@sntech.de
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/errata/thead/errata.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/riscv/errata/thead/errata.c b/arch/riscv/errata/thead/errata.c index a6f4bd8ccf3f..902e12452821 100644 --- a/arch/riscv/errata/thead/errata.c +++ b/arch/riscv/errata/thead/errata.c @@ -17,6 +17,9 @@ static bool errata_probe_pbmt(unsigned int stage, unsigned long arch_id, unsigned long impid) { + if (!IS_ENABLED(CONFIG_ERRATA_THEAD_PBMT)) + return false; + if (arch_id != 0 || impid != 0) return false; |