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NTB: Correct USD/DSD Identification

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commit b6750cfe07 upstream.

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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jon Mason
2013-05-31 14:05:53 -07:00
committed by Greg Kroah-Hartman
parent 576db18cb6
commit 8293fc2416
1 changed files with 5 additions and 2 deletions
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7
drivers/ntb/ntb_hw.c
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@@ -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);