ntb: add missing setup of translation window

The perf tool is missing the setup of translation window. Adding call to
setup the translation window for backed memory.

Signed-off-by: John Kading <john.kading@gd-ms.com>
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index 6bdc1e7b7503..f798beb01ac6 100644
--- a/drivers/ntb/test/ntb_perf.c
+++ b/drivers/ntb/test/ntb_perf.c
@@ -425,6 +425,7 @@ static int perf_set_mw(struct perf_ctx *perf, resource_size_t size)
 {
         struct perf_mw *mw = &perf->mw;
         size_t xlat_size, buf_size;
+        int rc;
 
         if (!size)
                 return -EINVAL;
@@ -448,6 +449,13 @@ static int perf_set_mw(struct perf_ctx *perf, resource_size_t size)
                 mw->buf_size = 0;
         }
 
+        rc = ntb_mw_set_trans(perf->ntb, 0, mw->dma_addr, mw->xlat_size);
+        if (rc) {
+                dev_err(&perf->ntb->dev, "Unable to set mw0 translation\n");
+                perf_free_mw(perf);
+                return -EIO;
+        }
+
         return 0;
 }