[PATCH -next] iommu/msm: Make msm_iommu_lock static

[Samuel Zou]

Fix the following sparse warning:

drivers/iommu/msm_iommu.c:37:1: warning: symbol 'msm_iommu_lock' was not declared.

The msm_iommu_lock has only call site within msm_iommu.c
It should be static

Fixes: 0720d1f052dc ("msm: Add MSM IOMMU support")
Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: Samuel Zou <zou_wei@xxxxxxxxxx>
---
 drivers/iommu/msm_iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/msm_iommu.c b/drivers/iommu/msm_iommu.c
index 10cd4db..3d8a635 100644
--- a/drivers/iommu/msm_iommu.c
+++ b/drivers/iommu/msm_iommu.c
@@ -34,7 +34,7 @@ __asm__ __volatile__ (							\
 /* bitmap of the page sizes currently supported */
 #define MSM_IOMMU_PGSIZES	(SZ_4K | SZ_64K | SZ_1M | SZ_16M)
 
-DEFINE_SPINLOCK(msm_iommu_lock);
+static DEFINE_SPINLOCK(msm_iommu_lock);
 static LIST_HEAD(qcom_iommu_devices);
 static struct iommu_ops msm_iommu_ops;
 
-- 
2.6.2