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USB: add a blacklist for devices that can't handle some things we throw at them.

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This adds a blacklist to the USB core to handle some autosuspend and
string issues that devices have.

Originally written by Oliver, but hacked up a lot by Greg.

Signed-off-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Oliver Neukum
2007-01-26 14:26:21 +01:00
committed by Greg Kroah-Hartman
parent bb417020ba
commit 7ceec1f1d2
8 changed files with 108 additions and 2 deletions
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11
drivers/usb/core/sysfs.c
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@@ -148,6 +148,16 @@ show_maxchild(struct device *dev, struct device_attribute *attr, char *buf)
}
static DEVICE_ATTR(maxchild, S_IRUGO, show_maxchild, NULL);
static ssize_t
show_quirks(struct device *dev, struct device_attribute *attr, char *buf)
{
struct usb_device *udev;
udev = to_usb_device(dev);
return sprintf(buf, "0x%x\n", udev->quirks);
}
static DEVICE_ATTR(quirks, S_IRUGO, show_quirks, NULL);
/* Descriptor fields */
#define usb_descriptor_attr_le16(field, format_string) \
static ssize_t \
@@ -204,6 +214,7 @@ static struct attribute *dev_attrs[] = {
&dev_attr_devnum.attr,
&dev_attr_version.attr,
&dev_attr_maxchild.attr,
&dev_attr_quirks.attr,
NULL,
};
static struct attribute_group dev_attr_grp = {