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>

diff --git a/drivers/ntb/test/ntb_perf.c b/drivers/ntb/test/ntb_perf.c
index 6bdc1e7b7503cc7a1bff2bb649373de9851f3a84..f798beb01ac638e01a64027bae4ad4e7263f9c04 100644 (file)
--- 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;
 }