[PATCH] arch64: export __flush_dcache_area
From: Mark Salyzyn
Date: Fri May 17 2019 - 16:02:37 EST
Some (out of tree modular) drivers feel a need to ensure
data is flushed to the DDR before continuing flow.
Signed-off-by: Mark Salyzyn <salyzyn@xxxxxxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: kernel-team@xxxxxxxxxxx
---
arch/arm64/mm/cache.S | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/mm/cache.S b/arch/arm64/mm/cache.S
index a194fd0e837f..70d7cb5c0bd2 100644
--- a/arch/arm64/mm/cache.S
+++ b/arch/arm64/mm/cache.S
@@ -120,6 +120,7 @@ ENTRY(__flush_dcache_area)
dcache_by_line_op civac, sy, x0, x1, x2, x3
ret
ENDPIPROC(__flush_dcache_area)
+EXPORT_SYMBOL_GPL(__flush_dcache_area)
/*
* __clean_dcache_area_pou(kaddr, size)
--
2.21.0.1020.gf2820cf01a-goog