From: <gregkh@linuxfoundation.org>
To: brant.merryman@silabs.com, johan@kernel.org, phu.luu@silabs.com,
stable@vger.kernel.org
Subject: patch "USB: serial: cp210x: enable usb generic throttle/unthrottle" added to usb-next
Date: Wed, 29 Jul 2020 07:56:50 +0200 [thread overview]
Message-ID: <15960022105970@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
USB: serial: cp210x: enable usb generic throttle/unthrottle
to my usb git tree which can be found at
git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git
in the usb-next branch.
The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)
The patch will also be merged in the next major kernel release
during the merge window.
If you have any questions about this process, please let me know.
From 4387b3dbb079d482d3c2b43a703ceed4dd27ed28 Mon Sep 17 00:00:00 2001
From: Brant Merryman <brant.merryman@silabs.com>
Date: Fri, 26 Jun 2020 04:22:58 +0000
Subject: USB: serial: cp210x: enable usb generic throttle/unthrottle
Assign the .throttle and .unthrottle functions to be generic function
in the driver structure to prevent data loss that can otherwise occur
if the host does not enable USB throttling.
Signed-off-by: Brant Merryman <brant.merryman@silabs.com>
Co-developed-by: Phu Luu <phu.luu@silabs.com>
Signed-off-by: Phu Luu <phu.luu@silabs.com>
Link: https://lore.kernel.org/r/57401AF3-9961-461F-95E1-F8AFC2105F5E@silabs.com
[ johan: fix up tags ]
Fixes: 39a66b8d22a3 ("[PATCH] USB: CP2101 Add support for flow control")
Cc: stable <stable@vger.kernel.org> # 2.6.12
Signed-off-by: Johan Hovold <johan@kernel.org>
---
drivers/usb/serial/cp210x.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index f5143eedbc48..bcceb4ad8be0 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -272,6 +272,8 @@ static struct usb_serial_driver cp210x_device = {
.break_ctl = cp210x_break_ctl,
.set_termios = cp210x_set_termios,
.tx_empty = cp210x_tx_empty,
+ .throttle = usb_serial_generic_throttle,
+ .unthrottle = usb_serial_generic_unthrottle,
.tiocmget = cp210x_tiocmget,
.tiocmset = cp210x_tiocmset,
.attach = cp210x_attach,
--
2.27.0
reply other threads:[~2020-07-29 5:57 UTC|newest]
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