diff options
author | Johan Hovold <jhovold@gmail.com> | 2014-01-03 01:49:26 +0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-04 00:42:24 +0400 |
commit | 7603381e3e7ffebe8c0b46c416fe0f88e13b4d34 (patch) | |
tree | c8b66a648938286fb1770f6b1eeb61f745d1606c /drivers/usb/serial/cypress_m8.h | |
parent | 2534be34c9f728759e7e7ba69bab9d3a5cbb5984 (diff) | |
download | linux-7603381e3e7ffebe8c0b46c416fe0f88e13b4d34.tar.xz |
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>
Diffstat (limited to 'drivers/usb/serial/cypress_m8.h')
-rw-r--r-- | drivers/usb/serial/cypress_m8.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/usb/serial/cypress_m8.h b/drivers/usb/serial/cypress_m8.h index 68bfd5197a63..119d2e17077b 100644 --- a/drivers/usb/serial/cypress_m8.h +++ b/drivers/usb/serial/cypress_m8.h @@ -66,6 +66,7 @@ #define CONTROL_RTS 0x10 /* request to send */ #define CONTROL_RESET 0x08 /* sent with output report */ +#define UART_MSR_MASK 0xf0 #define UART_RI 0x80 /* ring indicator */ #define UART_CD 0x40 /* carrier detect */ #define UART_DSR 0x20 /* data set ready */ |