summaryrefslogtreecommitdiffstats
path: root/drivers/ntb
diff options
context:
space:
mode:
authorSanjay R Mehta <sanju.mehta@amd.com>2019-02-15 09:21:46 +0000
committerJon Mason <jdmason@kudzu.us>2019-06-13 08:58:08 -0400
commita5c3666f1c32714d8ee8735a129a9f13773135ba (patch)
treeed4990ed10e574ef4cf44ff865f0f4c615aed7c9 /drivers/ntb
parent12c023d7c32ae14254c8903f0466d37dea6d21ed (diff)
downloadlinux-a5c3666f1c32714d8ee8735a129a9f13773135ba.tar.bz2
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.c8
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);