diff options
| author | Alexander Shiyan <shc_work@mail.ru> | 2012-10-14 09:05:28 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-24 20:39:47 +0200 |
| commit | 1593daf9a84f4b29e90027e0999c93da1d25478b (patch) | |
| tree | 7e1dd93c9c9fcdffe6d5f33bc60881546543ef0d /drivers/tty/serial/clps711x.c | |
| parent | serial: clps711x: Improved TX FIFO handling (diff) | |
| download | linux-1593daf9a84f4b29e90027e0999c93da1d25478b.tar.xz linux-1593daf9a84f4b29e90027e0999c93da1d25478b.zip | |
serial: clps711x: Return valid modem controls for port that not support it
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/serial/clps711x.c')
| -rw-r--r-- | drivers/tty/serial/clps711x.c | 10 |
1 files changed, 4 insertions, 6 deletions
diff --git a/drivers/tty/serial/clps711x.c b/drivers/tty/serial/clps711x.c index d37460965ba7..7b0e539ee9c0 100644 --- a/drivers/tty/serial/clps711x.c +++ b/drivers/tty/serial/clps711x.c @@ -191,12 +191,9 @@ static unsigned int clps711xuart_tx_empty(struct uart_port *port) static unsigned int clps711xuart_get_mctrl(struct uart_port *port) { - unsigned int port_addr; - unsigned int result = 0; - unsigned int status; + unsigned int status, result = 0; - port_addr = SYSFLG(port); - if (port_addr == SYSFLG1) { + if (port->line == 0) { status = clps_readl(SYSFLG1); if (status & SYSFLG1_DCD) result |= TIOCM_CAR; @@ -204,7 +201,8 @@ static unsigned int clps711xuart_get_mctrl(struct uart_port *port) result |= TIOCM_DSR; if (status & SYSFLG1_CTS) result |= TIOCM_CTS; - } + } else + result = TIOCM_DSR | TIOCM_CTS | TIOCM_CAR; return result; } |