linux-kernel - [PATCH 03/17] iommu/vt-d: Make two functions static

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Date:	Fri,  5 Jun 2015 16:10:49 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	iommu@...ts.linux-foundation.org
Cc:	zhen-hual@...com, bhe@...hat.com, dwmw2@...radead.org,
	vgoyal@...hat.com, dyoung@...hat.com, alex.williamson@...hat.com,
	ddutile@...hat.com, ishii.hironobu@...fujitsu.com,
	indou.takao@...fujitsu.com, bhelgaas@...gle.com, doug.hatch@...com,
	jerry.hoemann@...com, tom.vaden@...com, li.zhang6@...com,
	lisa.mitchell@...com, billsumnerlinux@...il.com, rwright@...com,
	linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org,
	kexec@...ts.infradead.org, joro@...tes.org, jroedel@...e.de
Subject: [PATCH 03/17] iommu/vt-d: Make two functions static

From: Joerg Roedel <jroedel@...e.de>

These functions are only used in intel-iommu.c and can be
static:

	* __iommu_load_from_oldmem()
	* __iommu_free_mapped_mem()

Tested-by: Baoquan He <bhe@...hat.com>
Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/iommu/intel-iommu.c | 5 +++--
 include/linux/intel-iommu.h | 4 ----
 2 files changed, 3 insertions(+), 6 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index a061c3f..982b8c8 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4942,7 +4942,8 @@ static struct context_entry *device_to_existing_context_entry(
 /*
  * Copy memory from a physically-addressed area into a virtually-addressed area
  */
-int __iommu_load_from_oldmem(void *to, unsigned long from, unsigned long size)
+static int __iommu_load_from_oldmem(void *to, unsigned long from,
+				    unsigned long size)
 {
 	unsigned long pfn;		/* Page Frame Number */
 	size_t csize = (size_t)size;	/* Num(bytes to copy) */
@@ -4980,7 +4981,7 @@ int __iommu_load_from_oldmem(void *to, unsigned long from, unsigned long size)
 /*
  * Free the mapped memory for ioremap;
  */
-int __iommu_free_mapped_mem(void)
+static int __iommu_free_mapped_mem(void)
 {
 	struct iommu_remapped_entry *mem_entry, *tmp;
 
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index 9526c28..7e771c2 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -391,8 +391,4 @@ extern int dmar_ir_support(void);
 
 extern const struct attribute_group *intel_iommu_groups[];
 
-extern int __iommu_load_from_oldmem(void *to, unsigned long from,
-					unsigned long size);
-extern int __iommu_free_mapped_mem(void);
-
 #endif
-- 
1.9.1

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