diff options
Diffstat (limited to 'kernels/linux-libre-aarch64/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch')
| -rw-r--r-- | kernels/linux-libre-aarch64/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/kernels/linux-libre-aarch64/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch b/kernels/linux-libre-aarch64/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch new file mode 100644 index 000000000..e9de435fd --- /dev/null +++ b/kernels/linux-libre-aarch64/0001-usb-serial-gadget-no-TTY-hangup-on-USB-disconnect-WI.patch @@ -0,0 +1,39 @@ +From 716120e8010a7f400c6bed7384000e95e1465c94 Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Ky=C3=B6sti=20M=C3=A4lkki?= <kyosti.malkki@gmail.com> +Date: Mon, 26 Aug 2013 19:19:44 +0300 +Subject: [PATCH 1/2] usb serial gadget: no TTY hangup on USB disconnect [WIP] +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +We may want to maintain the TTY over USB disconnects. + +This is useful when we have a terminal console to a host which +power-cycles or for other reasons resets the USB host controller. + +Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com> +--- + drivers/usb/gadget/function/u_serial.c | 5 +++++ + 1 file changed, 5 insertions(+) + +diff --git a/drivers/usb/gadget/function/u_serial.c b/drivers/usb/gadget/function/u_serial.c +index b369292..d156a28 100644 +--- a/drivers/usb/gadget/function/u_serial.c ++++ b/drivers/usb/gadget/function/u_serial.c +@@ -1258,8 +1258,13 @@ void gserial_disconnect(struct gserial *gser) + gser->ioport = NULL; + if (port->port.count > 0 || port->openclose) { + wake_up_interruptible(&port->drain_wait); ++#if 0 + if (port->port.tty) + tty_hangup(port->port.tty); ++#else ++ if (port->port.tty) ++ stop_tty(port->port.tty); ++#endif + } + spin_unlock_irqrestore(&port->port_lock, flags); + +-- +1.8.1.1 + |