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Diffstat (limited to 'arch/riscv/mm/dma-noncoherent.c')
-rw-r--r--arch/riscv/mm/dma-noncoherent.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/riscv/mm/dma-noncoherent.c b/arch/riscv/mm/dma-noncoherent.c
index e3f9bdf47c5f..b0add983530a 100644
--- a/arch/riscv/mm/dma-noncoherent.c
+++ b/arch/riscv/mm/dma-noncoherent.c
@@ -13,6 +13,8 @@
#include <asm/cacheflush.h>
unsigned int riscv_cbom_block_size;
+EXPORT_SYMBOL_GPL(riscv_cbom_block_size);
+
static bool noncoherent_supported;
void arch_sync_dma_for_device(phys_addr_t paddr, size_t size,