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From: Mark Salyzyn <salyzyn@android.com>
To: linux-kernel@vger.kernel.org
Cc: Catalin Marinas <catalin.marinas@arm.com>,
	kernel-team@android.com, linux-arm-kernel@lists.infradead.org,
	Will Deacon <will.deacon@arm.com>,
	Mark Salyzyn <salyzyn@android.com>
Subject: [PATCH] arch64: export __flush_dcache_area
Date: Fri, 17 May 2019 12:59:56 -0700
Message-ID: <20190517200012.136519-1-salyzyn@android.com> (raw)

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@android.com>
Cc: linux-kernel@vger.kernel.org
Cc: kernel-team@android.com
---
 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


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Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-17 19:59 Mark Salyzyn [this message]
2019-05-17 21:53 ` Catalin Marinas
2019-05-20 14:29   ` Mark Salyzyn

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