[PATCH] PCI: add modalias sysfs file for pci devices

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[PATCH] PCI: add modalias sysfs file for pci devices

Signed-off-by: Greg Kroah-Hartman <[email protected]>

---
commit 9888549e0507cc95d1d7ade1595c00ff8e902659
tree 9c31d2b34ef9b747733f7f39916a8031f89c3d1e
parent c22610dadc0452b1273494f2b5157123c6cd60e1
author Greg KH <[email protected]> Thu, 05 May 2005 11:57:25 -0700
committer Greg KH <[email protected]> Tue, 17 May 2005 14:31:12 -0700

 drivers/pci/pci-sysfs.c |   12 ++++++++++++
 1 files changed, 12 insertions(+)

Index: drivers/pci/pci-sysfs.c
===================================================================
--- 150d5315df21f02605ad5a6541ef7cb00176d023/drivers/pci/pci-sysfs.c  (mode:100644)
+++ 9c31d2b34ef9b747733f7f39916a8031f89c3d1e/drivers/pci/pci-sysfs.c  (mode:100644)
@@ -73,6 +73,17 @@
 	return (str - buf);
 }
 
+static ssize_t modalias_show(struct device *dev, char *buf)
+{
+	struct pci_dev *pci_dev = to_pci_dev(dev);
+
+	return sprintf(buf, "pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x\n",
+		       pci_dev->vendor, pci_dev->device,
+		       pci_dev->subsystem_vendor, pci_dev->subsystem_device,
+		       (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
+		       (u8)(pci_dev->class));
+}
+
 struct device_attribute pci_dev_attrs[] = {
 	__ATTR_RO(resource),
 	__ATTR_RO(vendor),
@@ -82,6 +93,7 @@
 	__ATTR_RO(class),
 	__ATTR_RO(irq),
 	__ATTR_RO(local_cpus),
+	__ATTR_RO(modalias),
 	__ATTR_NULL,
 };
 

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