X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fpci%2Fpci-sysfs.c;h=fdefa7dcd15675758f31c3ce3ababd69368433d4;hb=ca78f6baca863afe2e6a244a0fe94b3a70211d46;hp=56ac2bc003c7fdae7ab2fe47d00b7a1e2670229a;hpb=4bbf7bc4c7bf1c80ec3c942fa5f1b6e6fa67dd99;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c
index 56ac2bc003c..fdefa7dcd15 100644
--- a/drivers/pci/pci-sysfs.c
+++ b/drivers/pci/pci-sysfs.c
@@ -15,7 +15,6 @@
  */
 
 
-#include <linux/config.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
 #include <linux/stat.h>
@@ -43,6 +42,29 @@ pci_config_attr(subsystem_vendor, "0x%04x\n");
 pci_config_attr(subsystem_device, "0x%04x\n");
 pci_config_attr(class, "0x%06x\n");
 pci_config_attr(irq, "%u\n");
+pci_config_attr(is_enabled, "%u\n");
+
+static ssize_t broken_parity_status_show(struct device *dev,
+					 struct device_attribute *attr,
+					 char *buf)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	return sprintf (buf, "%u\n", pdev->broken_parity_status);
+}
+
+static ssize_t broken_parity_status_store(struct device *dev,
+					  struct device_attribute *attr,
+					  const char *buf, size_t count)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+	ssize_t consumed = -EINVAL;
+
+	if ((count > 0) && (*buf == '0' || *buf == '1')) {
+		pdev->broken_parity_status = *buf == '1' ? 1 : 0;
+		consumed = count;
+	}
+	return consumed;
+}
 
 static ssize_t local_cpus_show(struct device *dev,
 			struct device_attribute *attr, char *buf)
@@ -64,7 +86,7 @@ resource_show(struct device * dev, struct device_attribute *attr, char * buf)
 	char * str = buf;
 	int i;
 	int max = 7;
-	u64 start, end;
+	resource_size_t start, end;
 
 	if (pci_dev->subordinate)
 		max = DEVICE_COUNT_RESOURCE;
@@ -90,6 +112,25 @@ static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
 		       (u8)(pci_dev->class >> 16), (u8)(pci_dev->class >> 8),
 		       (u8)(pci_dev->class));
 }
+static ssize_t
+is_enabled_store(struct device *dev, struct device_attribute *attr,
+		const char *buf, size_t count)
+{
+	struct pci_dev *pdev = to_pci_dev(dev);
+
+	/* this can crash the machine when done on the "wrong" device */
+	if (!capable(CAP_SYS_ADMIN))
+		return count;
+
+	if (*buf == '0')
+		pci_disable_device(pdev);
+
+	if (*buf == '1')
+		pci_enable_device(pdev);
+
+	return count;
+}
+
 
 struct device_attribute pci_dev_attrs[] = {
 	__ATTR_RO(resource),
@@ -101,6 +142,9 @@ struct device_attribute pci_dev_attrs[] = {
 	__ATTR_RO(irq),
 	__ATTR_RO(local_cpus),
 	__ATTR_RO(modalias),
+	__ATTR(enable, 0600, is_enabled_show, is_enabled_store),
+	__ATTR(broken_parity_status,(S_IRUGO|S_IWUSR),
+		broken_parity_status_show,broken_parity_status_store),
 	__ATTR_NULL,
 };
 
@@ -320,7 +364,7 @@ pci_mmap_resource(struct kobject *kobj, struct bin_attribute *attr,
 						       struct device, kobj));
 	struct resource *res = (struct resource *)attr->private;
 	enum pci_mmap_state mmap_type;
-	u64 start, end;
+	resource_size_t start, end;
 	int i;
 
 	for (i = 0; i < PCI_ROM_RESOURCE; i++)