Patch "CDC-ACM: apply quirk for card reader" has been added to the 4.15-stable tree
Subsystems (3)
This is a note to let you know that I've just added the patch titled
CDC-ACM: apply quirk for card reader
to the 4.15-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
cdc-acm-apply-quirk-for-card-reader.patch
and it can be found in the queue-4.15 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.
Quoted 1 line
From
df1cc78a52491f71d8170d513d0f6f114faa1bdaMon Sep 17 00:00:00 2001
From: Oliver Neukum <[email protected]>
Date: Thu, 18 Jan 2018 12:13:45 +0100
Subject: CDC-ACM: apply quirk for card reader
From: Oliver Neukum <[email protected]>
commit df1cc78a52491f71d8170d513d0f6f114faa1bda upstream.
This devices drops random bytes from messages if you talk to it too fast.
--- drivers/usb/class/cdc-acm.c | 3 +++ 1 file changed, 3 insertions(+)
drivers/usb/class/cdc-acm.c +3 -0
@@ -1752,6 +1752,9 @@ static const struct usb_device_id acm_id { 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 */ },
Patches currently in stable-queue which might be from [email protected] are
queue-4.15/usb-uas-unconditionally-bring-back-host-after-reset.patch queue-4.15/cdc-acm-apply-quirk-for-card-reader.patch queue-4.15/usb-cdc-acm-do-not-log-urb-submission-errors-on-disconnect.patch