USB: ch341: only wake up MSR queue on changes
authorJohan Hovold <jhovold@gmail.com>
Thu, 2 Jan 2014 21:49:31 +0000 (22:49 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Jan 2014 20:42:24 +0000 (12:42 -0800)
commitd984fe91a85e49841449b120cda5a50fed1fb126
tree5a428e9c530ac64abdb17679d84674fb7a9f4464
parentfd74b0b144d3e392b5269207ae4abba03f0adf59
USB: ch341: only wake up MSR queue on changes

Only wake up MSR wait queue on actual modem-status changes.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/ch341.c