linux-kernel - [PATCH] arch: score: Export necessary symbols in related files

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Date:	Wed, 09 Jul 2014 16:48:45 +0800
From:	Chen Gang <gang.chen.5i5j@...il.com>
To:	Liqin Chen <liqin.linux@...il.com>, Lennox Wu <lennox.wu@...il.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: [PATCH] arch: score: Export necessary symbols in related files

'csum_partial_copy_from_user' and 'flush_dcache_page' are also needed by
outside modules, so need export them in the related files.

The related error (with allmodconfig under score):

    MODPOST 1365 modules
  ERROR: "csum_partial_copy_from_user" [net/rxrpc/af-rxrpc.ko] undefined!
  ERROR: "flush_dcache_page" [net/sunrpc/sunrpc.ko] undefined!


Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
---
 arch/score/lib/checksum_copy.c | 1 +
 arch/score/mm/cache.c          | 1 +
 2 files changed, 2 insertions(+)

diff --git a/arch/score/lib/checksum_copy.c b/arch/score/lib/checksum_copy.c
index 04565dd..9b770b3 100644
--- a/arch/score/lib/checksum_copy.c
+++ b/arch/score/lib/checksum_copy.c
@@ -50,3 +50,4 @@ unsigned int csum_partial_copy_from_user(const char *src, char *dst,
 
 	return csum_partial(dst, len, sum);
 }
+EXPORT_SYMBOL(csum_partial_copy_from_user);
diff --git a/arch/score/mm/cache.c b/arch/score/mm/cache.c
index f85ec1a..be91041 100644
--- a/arch/score/mm/cache.c
+++ b/arch/score/mm/cache.c
@@ -72,6 +72,7 @@ void flush_dcache_page(struct page *page)
 	addr = (unsigned long) page_address(page);
 	flush_data_cache_page(addr);
 }
+EXPORT_SYMBOL(flush_dcache_page);
 
 /* called by update_mmu_cache. */
 void __update_cache(struct vm_area_struct *vma, unsigned long address,
-- 
1.9.2.459.g68773ac
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