From 34b812ca30389a3759bf89d424c2d256185face3 Mon Sep 17 00:00:00 2001 From: Oliver Neukum Date: Thu, 18 Jan 2018 12:13:45 +0100 Subject: [PATCH] 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index b133fc68b3fd..4149a965516e 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1765,6 +1765,9 @@ 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 */ }, -- 2.20.1