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authorJon Mason <jon.mason@intel.com>2013-06-01 01:05:53 +0400
committerJon Mason <jon.mason@intel.com>2013-09-03 22:13:14 +0400
commitb6750cfe0710a14fd147ba27fddbecae8ba88c77 (patch)
tree147600a777558f8034a8ac27b76b2604d39c0f72 /drivers/ntb/ntb_hw.c
parent87034511519815259e37336f52edf06d114d43b6 (diff)
downloadlinux-b6750cfe0710a14fd147ba27fddbecae8ba88c77.tar.xz
NTB: Correct USD/DSD Identification
Due to ambiguous documentation, the USD/DSD identification is backward when compared to the setting in BIOS. Correct the bits to match the BIOS setting. Signed-off-by: Jon Mason <jon.mason@intel.com>
Diffstat (limited to 'drivers/ntb/ntb_hw.c')
-rw-r--r--drivers/ntb/ntb_hw.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/ntb/ntb_hw.c b/drivers/ntb/ntb_hw.c
index 3b0ab50e2d5c..26b808b4d3a0 100644
--- a/drivers/ntb/ntb_hw.c
+++ b/drivers/ntb/ntb_hw.c
@@ -531,9 +531,9 @@ static int ntb_xeon_setup(struct ntb_device *ndev)
}
if (val & SNB_PPD_DEV_TYPE)
- ndev->dev_type = NTB_DEV_DSD;
- else
ndev->dev_type = NTB_DEV_USD;
+ else
+ ndev->dev_type = NTB_DEV_DSD;
ndev->reg_ofs.pdb = ndev->reg_base + SNB_PDOORBELL_OFFSET;
ndev->reg_ofs.pdb_mask = ndev->reg_base + SNB_PDBMSK_OFFSET;
@@ -647,6 +647,9 @@ static int ntb_device_setup(struct ntb_device *ndev)
if (rc)
return rc;
+ dev_info(&ndev->pdev->dev, "Device Type = %s\n",
+ ndev->dev_type == NTB_DEV_USD ? "USD/DSP" : "DSD/USP");
+
/* Enable Bus Master and Memory Space on the secondary side */
writew(PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER, ndev->reg_ofs.spci_cmd);