From: Sanjay R Mehta <[email protected]> As per amd ntb spec it says that peer limit register must be programmed
Signed-off-by: Sanjay R Mehta <[email protected]> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 8 ++++---- 1 file 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 efb214f..cd463e1 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); -- 2.7.4
