dmaengine: bcm-scm-raid: statify functions

This driver builds with warnings which can be fixed by making these
functions static.

  CC [M]  drivers/dma/bcm-sba-raid.o
drivers/dma/bcm-sba-raid.c:786:1: warning: no previous prototype for ‘sba_prep_dma_xor_req’ [-Wmissing-prototypes]
 sba_prep_dma_xor_req(struct sba_device *sba,
 ^
drivers/dma/bcm-sba-raid.c:995:1: warning: no previous prototype for ‘sba_prep_dma_pq_req’ [-Wmissing-prototypes]
 sba_prep_dma_pq_req(struct sba_device *sba, dma_addr_t off,
 ^
drivers/dma/bcm-sba-raid.c:1247:1: warning: no previous prototype for ‘sba_prep_dma_pq_single_req’ [-Wmissing-prototypes]
 sba_prep_dma_pq_single_req(struct sba_device *sba, dma_addr_t off,
 ^

Signed-off-by: Vinod Koul <vinod.koul@intel.com>

1 files changed, 3 insertions, 3 deletions

diff --git a/drivers/dma/bcm-sba-raid.c b/drivers/dma/bcm-sba-raid.c
index e41bbc7cb094..8246c26eabe5 100644
--- a/drivers/dma/bcm-sba-raid.c
+++ b/drivers/dma/bcm-sba-raid.c
@@ -782,7 +782,7 @@ static void sba_fillup_xor_msg(struct sba_request *req,
         msg->error = 0;
 }
 
-struct sba_request *
+static struct sba_request *
 sba_prep_dma_xor_req(struct sba_device *sba,
                      dma_addr_t off, dma_addr_t dst, dma_addr_t *src,
                      u32 src_cnt, size_t len, unsigned long flags)
@@ -991,7 +991,7 @@ static void sba_fillup_pq_msg(struct sba_request *req,
         msg->error = 0;
 }
 
-struct sba_request *
+static struct sba_request *
 sba_prep_dma_pq_req(struct sba_device *sba, dma_addr_t off,
                     dma_addr_t *dst_p, dma_addr_t *dst_q, dma_addr_t *src,
                     u32 src_cnt, const u8 *scf, size_t len, unsigned long flags)
@@ -1243,7 +1243,7 @@ skip_q:
         msg->error = 0;
 }
 
-struct sba_request *
+static struct sba_request *
 sba_prep_dma_pq_single_req(struct sba_device *sba, dma_addr_t off,
                            dma_addr_t *dst_p, dma_addr_t *dst_q,
                            dma_addr_t src, u8 scf, size_t len,