Patchwork [7/9] skge: set VPD size

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Submitter stephen hemminger
Date Oct. 13, 2008, 8:13 p.m.
Message ID <20081013201453.254303973@vyatta.com>
Download mbox | patch
Permalink /patch/4352/
State Awaiting Upstream
Delegated to: David Miller
Headers show

Comments

stephen hemminger - Oct. 13, 2008, 8:13 p.m.
Read configuration register during probe and use it to size the
available VPD.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>

Patch

--- a/drivers/net/skge.c	2008-10-13 12:46:16.000000000 -0700
+++ b/drivers/net/skge.c	2008-10-13 13:04:10.000000000 -0700
@@ -3898,6 +3898,7 @@  static int __devinit skge_probe(struct p
 	struct net_device *dev, *dev1;
 	struct skge_hw *hw;
 	int err, using_dac = 0;
+	u32 reg;
 
 	err = pci_enable_device(pdev);
 	if (err) {
@@ -3926,15 +3927,17 @@  static int __devinit skge_probe(struct p
 		goto err_out_free_regions;
 	}
 
+	pci_read_config_dword(pdev, PCI_DEV_REG2, &reg);
+
+	/* set size of available VPD, only impacts sysfs */
+	err = pci_vpd_truncate(pdev, 1ul << (((reg & PCI_VPD_ROM_SZ) >> 14) + 8));
+	if (err)
+		dev_warn(&pdev->dev, "Can't set VPD size\n");
+
 #ifdef __BIG_ENDIAN
 	/* byte swap descriptors in hardware */
-	{
-		u32 reg;
-
-		pci_read_config_dword(pdev, PCI_DEV_REG2, &reg);
-		reg |= PCI_REV_DESC;
-		pci_write_config_dword(pdev, PCI_DEV_REG2, reg);
-	}
+	reg |= PCI_REV_DESC;
+	pci_write_config_dword(pdev, PCI_DEV_REG2, reg);
 #endif
 
 	err = -ENOMEM;