diff options
| author | Oliver Neukum <oneukum@suse.de> | 2007-01-26 14:26:21 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2007-02-23 15:03:46 -0800 |
| commit | 7ceec1f1d26f966c0816b86a1aab1e0b3b208757 (patch) | |
| tree | 3b444fb3eedff17366a7aa01106ee7eed50e051a /include | |
| parent | bb417020ba8c559eb52f57379ba17f669f8f72cd (diff) | |
USB: add a blacklist for devices that can't handle some things we throw at them.
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>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb.h | 1 | ||||
| -rw-r--r-- | include/linux/usb/quirks.h | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h index a8e8d1ecebb1..37e522eba47f 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -388,6 +388,7 @@ struct usb_device { struct usb_device *children[USB_MAXCHILDREN]; int pm_usage_cnt; /* usage counter for autosuspend */ + u32 quirks; /* quirks of the whole device */ #ifdef CONFIG_PM struct delayed_work autosuspend; /* for delayed autosuspends */ struct mutex pm_mutex; /* protects PM operations */ diff --git a/include/linux/usb/quirks.h b/include/linux/usb/quirks.h new file mode 100644 index 000000000000..6bac8faacbc6 --- /dev/null +++ b/include/linux/usb/quirks.h @@ -0,0 +1,11 @@ +/* + * This file holds the definitions of quirks found in USB devices. + * Only quirks that affect the whole device, not an interface, + * belong here. + */ + +/* device must not be autosuspended */ +#define USB_QUIRK_NO_AUTOSUSPEND 0x00000001 + +/* string descriptors must not be fetched using a 255-byte read */ +#define USB_QUIRK_STRING_FETCH_255 0x00000002 |