linux-kernel - [PATCH] ia64: remove duplicated swiotbl externs

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Message-Id: <20080908183053D.fujita.tomonori@lab.ntt.co.jp>
Date:	Mon, 8 Sep 2008 18:31:05 +0900
From:	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
To:	tony.luck@...el.com
Cc:	linux-kernel@...r.kernel.org, linux-ia64@...r.kernel.org
Subject: [PATCH] ia64: remove duplicated swiotbl externs

We can safely remove the following duplication?

=
From: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
Subject: [PATCH] ia64: remove duplicated swiotbl externs

Signed-off-by: FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>
---
 arch/ia64/hp/common/hwsw_iommu.c |   11 -----------
 arch/ia64/hp/common/sba_iommu.c  |    2 --
 arch/ia64/include/asm/machvec.h  |    5 ++---
 3 files changed, 2 insertions(+), 16 deletions(-)

diff --git a/arch/ia64/hp/common/hwsw_iommu.c b/arch/ia64/hp/common/hwsw_iommu.c
index 88b6e6f..a309bb3 100644
--- a/arch/ia64/hp/common/hwsw_iommu.c
+++ b/arch/ia64/hp/common/hwsw_iommu.c
@@ -16,17 +16,6 @@
 
 #include <asm/machvec.h>
 
-/* swiotlb declarations & definitions: */
-extern int swiotlb_late_init_with_default_size (size_t size);
-extern ia64_mv_dma_alloc_coherent	swiotlb_alloc_coherent;
-extern ia64_mv_dma_free_coherent	swiotlb_free_coherent;
-extern ia64_mv_dma_map_single_attrs	swiotlb_map_single_attrs;
-extern ia64_mv_dma_unmap_single_attrs	swiotlb_unmap_single_attrs;
-extern ia64_mv_dma_map_sg_attrs		swiotlb_map_sg_attrs;
-extern ia64_mv_dma_unmap_sg_attrs	swiotlb_unmap_sg_attrs;
-extern ia64_mv_dma_supported		swiotlb_dma_supported;
-extern ia64_mv_dma_mapping_error	swiotlb_dma_mapping_error;
-
 /* hwiommu declarations & definitions: */
 
 extern ia64_mv_dma_alloc_coherent	sba_alloc_coherent;
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index 4956be4..8b69363 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -45,8 +45,6 @@
 
 #include <asm/acpi-ext.h>
 
-extern int swiotlb_late_init_with_default_size (size_t size);
-
 #define PFX "IOC: "
 
 /*
diff --git a/arch/ia64/include/asm/machvec.h b/arch/ia64/include/asm/machvec.h
index 2b850cc..4cd6064 100644
--- a/arch/ia64/include/asm/machvec.h
+++ b/arch/ia64/include/asm/machvec.h
@@ -293,9 +293,8 @@ extern void machvec_init_from_cmdline(const char *cmdline);
 #  error Unknown configuration.  Update arch/ia64/include/asm/machvec.h.
 # endif /* CONFIG_IA64_GENERIC */
 
-/*
- * Declare default routines which aren't declared anywhere else:
- */
+/* swiotlb declarations & definitions: */
+extern int swiotlb_late_init_with_default_size (size_t size);
 extern ia64_mv_dma_init			swiotlb_init;
 extern ia64_mv_dma_alloc_coherent	swiotlb_alloc_coherent;
 extern ia64_mv_dma_free_coherent	swiotlb_free_coherent;
-- 
1.5.4.2

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