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uas: Add the posibilty to blacklist uas devices from using the uas driver

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Once we start supporting uas hardware, and as more and more uas devices
become available, we will likely start seeing broken devices. This patch
prepares for the inevitable need for blacklisting those devices from
using the uas driver (they will use usb-storage instead).

Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
This commit is contained in:
Hans de Goede
2013-10-25 17:04:33 +01:00
committed by Sarah Sharp
parent a82b76f7fa
commit 79b4c06112
4 changed files with 80 additions and 6 deletions
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11
drivers/usb/storage/uas-detect.h
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@@ -38,3 +38,14 @@ static int uas_find_uas_alt_setting(struct usb_interface *intf)
return -ENODEV;
}
static int uas_use_uas_driver(struct usb_interface *intf,
const struct usb_device_id *id)
{
unsigned long flags = id->driver_info;
if (flags & US_FL_IGNORE_UAS)
return 0;
return uas_find_uas_alt_setting(intf) >= 0;
}