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| author | Johan Hovold <jhovold@gmail.com> | 2014-01-02 22:49:26 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-01-03 12:42:24 -0800 |
| commit | 7603381e3e7ffebe8c0b46c416fe0f88e13b4d34 (patch) | |
| tree | c8b66a648938286fb1770f6b1eeb61f745d1606c /drivers/usb/serial/cypress_m8.h | |
| parent | 2534be34c9f728759e7e7ba69bab9d3a5cbb5984 (diff) | |
| download | linux-stable-7603381e3e7ffebe8c0b46c416fe0f88e13b4d34.tar.gz linux-stable-7603381e3e7ffebe8c0b46c416fe0f88e13b4d34.tar.bz2 linux-stable-7603381e3e7ffebe8c0b46c416fe0f88e13b4d34.zip | |
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 */ |