USB: cypress_m8: only wake up MSR queue on changes
authorJohan Hovold <jhovold@gmail.com>
Thu, 2 Jan 2014 21:49:26 +0000 (22:49 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 3 Jan 2014 20:42:24 +0000 (12:42 -0800)
commit7603381e3e7ffebe8c0b46c416fe0f88e13b4d34
treec8b66a648938286fb1770f6b1eeb61f745d1606c
parent2534be34c9f728759e7e7ba69bab9d3a5cbb5984
USB: cypress_m8: 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/cypress_m8.c
drivers/usb/serial/cypress_m8.h