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riscv: errata: thead: use pa based instructions for CMO
authorJisheng Zhang <jszhang@kernel.org>
Tue, 14 Nov 2023 14:33:38 +0000 (22:33 +0800)
committerPalmer Dabbelt <palmer@rivosinc.com>
Wed, 10 Jan 2024 17:54:27 +0000 (09:54 -0800)
commit3690492612ecd2b3fd69f39f3a56f6313ea8ef8b
tree17331dfaef60886b5bde8350696b86f3d361fcfdtree | snapshot
parenta4ff64edf9edc8f05e2183610dc8306d3279c6accommit | diff
riscv: errata: thead: use pa based instructions for CMO

T-HEAD CPUs such as C906/C910/C920 support phy address based CMO, use
them so that we don't need to convert to virt address.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Guo Ren <guoren@kernel.org>
Link: https://lore.kernel.org/r/20231114143338.2406-3-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
arch/riscv/errata/thead/errata.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git