From: Alexander Shiyan <shc_work@mail.ru>
To: linux-serial@vger.kernel.org
Cc: Alan Cox <alan@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Arnd Bergmann <arnd@arndb.de>,
Alexander Shiyan <shc_work@mail.ru>
Subject: [PATCH 06/12] serial: clps711x: Return valid modem controls for port that not support it
Date: Sun, 14 Oct 2012 11:05:28 +0400 [thread overview]
Message-ID: <1350198334-18737-6-git-send-email-shc_work@mail.ru> (raw)
In-Reply-To: <1350198334-18737-1-git-send-email-shc_work@mail.ru>
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
---
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 d374609..7b0e539 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;
}
--
1.7.8.6
next prev parent reply other threads:[~2012-10-14 7:06 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-14 7:05 [PATCH 01/12] serial: clps711x: Add platform_driver interface to clps711x driver Alexander Shiyan
2012-10-14 7:05 ` [PATCH 02/12] serial: clps711x: Convert all static variables to dynamic Alexander Shiyan
2012-10-14 7:05 ` [PATCH 03/12] serial: clps711x: Do not use "uart_port->unused" field Alexander Shiyan
2012-10-14 7:05 ` [PATCH 04/12] serial: clps711x: Using CPU clock subsystem for getting base UART speed Alexander Shiyan
2012-10-14 7:05 ` [PATCH 05/12] serial: clps711x: Improved TX FIFO handling Alexander Shiyan
2012-10-14 7:05 ` Alexander Shiyan [this message]
2012-10-14 7:05 ` [PATCH 07/12] serial: clps711x: Fix break control handling Alexander Shiyan
2012-10-14 7:05 ` [PATCH 08/12] serial: clps711x: Check for valid TTY in RX-interrupt Alexander Shiyan
2012-10-14 7:05 ` [PATCH 09/12] serial: clps711x: Using resource-managed functions Alexander Shiyan
2012-10-14 7:05 ` [PATCH 10/12] serial: clps711x: Disable "break"-state before port startup Alexander Shiyan
2012-10-14 7:05 ` [PATCH 11/12] serial: clps711x: Fix TERMIOS-flags handling Alexander Shiyan
2012-10-14 7:05 ` [PATCH 12/12] serial: clps711x: Cleanup driver Alexander Shiyan
2012-10-14 7:54 ` [PATCH 01/12] serial: clps711x: Add platform_driver interface to clps711x driver Arnd Bergmann
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