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

Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

[PATCH] PCI: add modalias sysfs file for pci devices
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Greg KH
1 parent c22610dadc
Showing 1 changed file with 12 additions and 0 deletions Side-by-side Diff
drivers/pci/pci-sysfs.c
@@ -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,
 };
...	...	@@ -73,6 +73,17 @@
73	73	return (str - buf);
74	74	}
75	75
	76	+static ssize_t modalias_show(struct device dev, char buf)
	77	+{
	78	+ struct pci_dev *pci_dev = to_pci_dev(dev);
	79	+
	80	+ return sprintf(buf, "pci:v%08Xd%08Xsv%08Xsd%08Xbc%02Xsc%02Xi%02x\n",
	81	+ pci_dev->vendor, pci_dev->device,
	82	+ pci_dev->subsystem_vendor, pci_dev->subsystem_device,
	83	+ (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
	84	+ (u8)(pci_dev->class));
	85	+}
	86	+
76	87	struct device_attribute pci_dev_attrs[] = {
77	88	__ATTR_RO(resource),
78	89	__ATTR_RO(vendor),
...	...	@@ -82,6 +93,7 @@
82	93	__ATTR_RO(class),
83	94	__ATTR_RO(irq),
84	95	__ATTR_RO(local_cpus),
	96	+ __ATTR_RO(modalias),
85	97	__ATTR_NULL,
86	98	};
87	99