CDC-ACM: apply quirk for card reader

commit df1cc78a52491f71d8170d513d0f6f114faa1bda upstream.

This devices drops random bytes from messages if you talk to it
too fast.

Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 4ae83f299658b8b1b8f0d9ddc0aad560792ac2cd..e01d39509172867fc97d0ee8011e0a096105c540 100644 (file)
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1712,6 +1712,9 @@ static const struct usb_device_id acm_ids[] = {
        { USB_DEVICE(0x0ace, 0x1611), /* ZyDAS 56K USB MODEM - new version */
        .driver_info = SINGLE_RX_URB, /* firmware bug */
        },
+       { USB_DEVICE(0x11ca, 0x0201), /* VeriFone Mx870 Gadget Serial */
+       .driver_info = SINGLE_RX_URB,
+       },
        { USB_DEVICE(0x22b8, 0x7000), /* Motorola Q Phone */
        .driver_info = NO_UNION_NORMAL, /* has no union descriptor */
        },