Unverified Commit 8500808a authored by Jisheng Zhang's avatar Jisheng Zhang Committed by Palmer Dabbelt
Browse files

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: default avatarJisheng Zhang <jszhang@kernel.org>
Reviewed-by: default avatarConor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230614165504.532-4-jszhang@kernel.org


Signed-off-by: default avatarPalmer Dabbelt <palmer@rivosinc.com>
parent 3b472f86

arch/riscv/mm/dma-noncoherent.c

+1 −1
Original line number Diff line number Diff line
@@ -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)