Merge branch 'iommu-common-fixes'

Sowmini Varadhan says:

====================
iommu-common build warning fixes.

This patchset has fixes for 2 architectures
- Part 1: x86_64 warnings generated by sparse
- Part 2: allmodconfig build error for powerpc, identified by Guenter Roeck.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 10 insertions, 10 deletions

diff --git a/lib/iommu-common.c b/lib/iommu-common.c
index a1a517cba7ec..df30632f0bef 100644
--- a/lib/iommu-common.c
+++ b/lib/iommu-common.c
@@ -15,9 +15,9 @@
 #define DMA_ERROR_CODE (~(dma_addr_t)0x0)
 #endif
 
-unsigned long iommu_large_alloc = 15;
+static unsigned long iommu_large_alloc = 15;
 
-static  DEFINE_PER_CPU(unsigned int, iommu_pool_hash);
+static  DEFINE_PER_CPU(unsigned int, iommu_hash_common);
 
 static inline bool need_flush(struct iommu_map_table *iommu)
 {
@@ -44,7 +44,7 @@ static void setup_iommu_pool_hash(void)
                 return;
         do_once = true;
         for_each_possible_cpu(i)
-                per_cpu(iommu_pool_hash, i) = hash_32(i, IOMMU_POOL_HASHBITS);
+                per_cpu(iommu_hash_common, i) = hash_32(i, IOMMU_POOL_HASHBITS);
 }
 
 /*
@@ -53,12 +53,12 @@ static void setup_iommu_pool_hash(void)
  * the top 1/4 of the table will be set aside for pool allocations
  * of more than iommu_large_alloc pages.
  */
-extern void iommu_tbl_pool_init(struct iommu_map_table *iommu,
-                                unsigned long num_entries,
-                                u32 table_shift,
-                                void (*lazy_flush)(struct iommu_map_table *),
-                                bool large_pool, u32 npools,
-                                bool skip_span_boundary_check)
+void iommu_tbl_pool_init(struct iommu_map_table *iommu,
+                         unsigned long num_entries,
+                         u32 table_shift,
+                         void (*lazy_flush)(struct iommu_map_table *),
+                         bool large_pool, u32 npools,
+                         bool skip_span_boundary_check)
 {
         unsigned int start, i;
         struct iommu_pool *p = &(iommu->large_pool);
@@ -106,7 +106,7 @@ unsigned long iommu_tbl_range_alloc(struct device *dev,
                                 unsigned long mask,
                                 unsigned int align_order)
 {
-        unsigned int pool_hash = __this_cpu_read(iommu_pool_hash);
+        unsigned int pool_hash = __this_cpu_read(iommu_hash_common);
         unsigned long n, end, start, limit, boundary_size;
         struct iommu_pool *pool;
         int pass = 0;