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authorJisheng Zhang <jszhang@kernel.org>2023-06-14 19:55:04 +0300
committerPalmer Dabbelt <palmer@rivosinc.com>2023-07-06 20:32:05 +0300
commit8500808a991f0e569b3d835a6223848c0717a6c7 (patch)
tree5546627633a6d8ff23d77cd581c4f2efc4faabad /arch/riscv/mm
parent3b472f860c5c73244a9b951c10c289cc9ee080f3 (diff)
downloadlinux-8500808a991f0e569b3d835a6223848c0717a6c7.tar.xz
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/riscv/mm')
-rw-r--r--arch/riscv/mm/dma-noncoherent.c2
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)