From b2f51e925e73e1809472b84d1ecc04afc010bed0 Mon Sep 17 00:00:00 2001
From: Felix Zeng <felix.zeng@rock-chips.com>
Date: Tue, 28 Jun 2022 16:31:53 +0800
Subject: [PATCH] arm64: mm: Export __dma_map_area/__dma_unmap_area to support
 sram cache invalid/clean

Signed-off-by: Felix Zeng <felix.zeng@rock-chips.com>
Change-Id: Iaffc599649e98112ea4561e14e8af9be4f86b6dc
---
 arch/arm64/mm/dma-mapping.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/mm/dma-mapping.c b/arch/arm64/mm/dma-mapping.c
index e75e5e75b192..b44bd952b831 100644
--- a/arch/arm64/mm/dma-mapping.c
+++ b/arch/arm64/mm/dma-mapping.c
@@ -61,3 +61,8 @@ void arch_setup_dma_ops(struct device *dev, u64 dma_base, u64 size,
 		dev->dma_ops = &xen_swiotlb_dma_ops;
 #endif
 }
+
+#ifdef CONFIG_NO_GKI
+EXPORT_SYMBOL(__dma_map_area);
+EXPORT_SYMBOL(__dma_unmap_area);
+#endif