diff options
| author | Jisheng Zhang <jszhang@kernel.org> | 2023-06-15 00:55:04 +0800 |
|---|---|---|
| committer | Palmer Dabbelt <palmer@rivosinc.com> | 2023-07-06 10:32:05 -0700 |
| commit | 8500808a991f0e569b3d835a6223848c0717a6c7 (patch) | |
| tree | 5546627633a6d8ff23d77cd581c4f2efc4faabad /arch | |
| parent | 3b472f860c5c73244a9b951c10c289cc9ee080f3 (diff) | |
riscv: mm: mark noncoherent_supported as __ro_after_init
The noncoherent_supported indicates whether the HW is coherent or not,
it won't change after booting, mark it as __ro_after_init.
Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230614165504.532-4-jszhang@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/riscv/mm/dma-noncoherent.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/riscv/mm/dma-noncoherent.c b/arch/riscv/mm/dma-noncoherent.c index d919efab6eba..d51a75864e53 100644 --- a/arch/riscv/mm/dma-noncoherent.c +++ b/arch/riscv/mm/dma-noncoherent.c @@ -10,7 +10,7 @@ #include <linux/mm.h> #include <asm/cacheflush.h> -static bool noncoherent_supported; +static bool noncoherent_supported __ro_after_init; void arch_sync_dma_for_device(phys_addr_t paddr, size_t size, enum dma_data_direction dir) |