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authorDave Jiang <dave.jiang@intel.com>2016-10-27 20:06:44 +0200
committerJon Mason <jdmason@kudzu.us>2016-11-13 22:48:29 +0100
commit25ea9f2bf5f76082da919f2a91ea8d920932c1da (patch)
treee011001648928005b421e63ed8587d06b4facf5a /drivers
parentntb: make DMA_OUT_RESOURCE_TO HZ independent (diff)
downloadlinux-25ea9f2bf5f76082da919f2a91ea8d920932c1da.tar.xz
linux-25ea9f2bf5f76082da919f2a91ea8d920932c1da.zip
ntb: ntb_hw_intel: init peer_addr in struct intel_ntb_dev
The peer_addr member of intel_ntb_dev is not set, therefore when acquiring ntb_peer_db and ntb_peer_spad we only get the offset rather than the actual physical address. Adding fix to correct that. Signed-off-by: Dave Jiang <dave.jiang@intel.com> Acked-by: Allen Hubbe <Allen.Hubbe@emc.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ntb/hw/intel/ntb_hw_intel.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c
index 1ee61d92c54b..7310a261c858 100644
--- a/drivers/ntb/hw/intel/ntb_hw_intel.c
+++ b/drivers/ntb/hw/intel/ntb_hw_intel.c
@@ -1755,6 +1755,8 @@ static int xeon_setup_b2b_mw(struct intel_ntb_dev *ndev,
XEON_B2B_MIN_SIZE);
if (!ndev->peer_mmio)
return -EIO;
+
+ ndev->peer_addr = pci_resource_start(pdev, b2b_bar);
}
return 0;
@@ -2019,6 +2021,7 @@ static int intel_ntb_init_pci(struct intel_ntb_dev *ndev, struct pci_dev *pdev)
goto err_mmio;
}
ndev->peer_mmio = ndev->self_mmio;
+ ndev->peer_addr = pci_resource_start(pdev, 0);
return 0;