diff options
| author | Sanjay R Mehta <sanju.mehta@amd.com> | 2019-02-15 09:21:46 +0000 |
|---|---|---|
| committer | Jon Mason <jdmason@kudzu.us> | 2019-03-20 13:53:47 -0400 |
| commit | ce8775c0ff292602b50b1bf9cd64551bb20c1862 (patch) | |
| tree | 31e81b978b091b7f473ae11b6b64f5c16a963430 /drivers/ntb | |
| parent | d074bab2259a3565b143e8a521ce05c804927581 (diff) | |
NTB: ntb_hw_amd: set peer limit register
As per amd ntb spec it says that peer limit register
must be programmed
Signed-off-by: Sanjay R Mehta <sanju.mehta@amd.com>
Acked-by: Allen Hubbe <allenbh@gmail.com>
Acked-by: Logan Gunthorpe <logang@deltatee.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/ntb')
| -rw-r--r-- | drivers/ntb/hw/amd/ntb_hw_amd.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index efb214fc545a..cd463e132035 100644 --- a/drivers/ntb/hw/amd/ntb_hw_amd.c +++ b/drivers/ntb/hw/amd/ntb_hw_amd.c @@ -160,8 +160,8 @@ static int amd_ntb_mw_set_trans(struct ntb_dev *ntb, int pidx, int idx, } /* set and verify setting the limit */ - write64(limit, mmio + limit_reg); - reg_val = read64(mmio + limit_reg); + write64(limit, peer_mmio + limit_reg); + reg_val = read64(peer_mmio + limit_reg); if (reg_val != limit) { write64(base_addr, mmio + limit_reg); write64(0, peer_mmio + xlat_reg); @@ -183,8 +183,8 @@ static int amd_ntb_mw_set_trans(struct ntb_dev *ntb, int pidx, int idx, } /* set and verify setting the limit */ - writel(limit, mmio + limit_reg); - reg_val = readl(mmio + limit_reg); + writel(limit, peer_mmio + limit_reg); + reg_val = readl(peer_mmio + limit_reg); if (reg_val != limit) { writel(base_addr, mmio + limit_reg); writel(0, peer_mmio + xlat_reg); |