iommu/omap: Do not export unneeded functions

The following functions were exported previously for usage by
the OMAP IOMMU debug module:
	omap_iommu_dump_ctx()
	omap_dump_tlb_entries()
	omap_iopgtable_store_entry()

These functions need not be exported anymore as the OMAP IOMMU
debugfs code is integrated with the OMAP IOMMU driver, and
there won't be external users for these functions. So, remove
the EXPORT_SYMBOL_GPL on these. The omap_iopgtable_store_entry()
is also made internal only, after making the 'pagetable' debugfs
entry read-only.

Signed-off-by: Suman Anna <s-anna@ti.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

2 files changed, 2 insertions, 7 deletions

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index 91711126cb25..3dcaef068382 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -511,7 +511,6 @@ ssize_t omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t bytes)
 
         return bytes;
 }
-EXPORT_SYMBOL_GPL(omap_iommu_dump_ctx);
 
 static int
 __dump_tlb_entries(struct omap_iommu *obj, struct cr_regs *crs, int num)
@@ -579,7 +578,6 @@ size_t omap_dump_tlb_entries(struct omap_iommu *obj, char *buf, ssize_t bytes)
 
         return p - buf;
 }
-EXPORT_SYMBOL_GPL(omap_dump_tlb_entries);
 
 #endif /* CONFIG_OMAP_IOMMU_DEBUG */
 
@@ -764,7 +762,8 @@ iopgtable_store_entry_core(struct omap_iommu *obj, struct iotlb_entry *e)
  * @obj:        target iommu
  * @e:          an iommu tlb entry info
  **/
-int omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e)
+static int
+omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e)
 {
         int err;
 
@@ -774,7 +773,6 @@ int omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e)
                 prefetch_iotlb_entry(obj, e);
         return err;
 }
-EXPORT_SYMBOL_GPL(omap_iopgtable_store_entry);
 
 /**
  * iopgtable_lookup_entry - Lookup an iommu pte entry
diff --git a/drivers/iommu/omap-iommu.h b/drivers/iommu/omap-iommu.h
index b18ceccd4845..d736630df3c8 100644
--- a/drivers/iommu/omap-iommu.h
+++ b/drivers/iommu/omap-iommu.h
@@ -190,9 +190,6 @@ static inline struct omap_iommu *dev_to_omap_iommu(struct device *dev)
 /*
  * global functions
  */
-extern int
-omap_iopgtable_store_entry(struct omap_iommu *obj, struct iotlb_entry *e);
-
 #ifdef CONFIG_OMAP_IOMMU_DEBUG
 extern ssize_t
 omap_iommu_dump_ctx(struct omap_iommu *obj, char *buf, ssize_t len);