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[PATCH 3/4] serial: Allow port type to specify bugs that are not probed

To: linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@linux-mips.org
Subject: [PATCH 3/4] serial: Allow port type to specify bugs that are not probed for.
From: David Daney <ddaney@caviumnetworks.com>
Date: Tue, 07 Oct 2008 16:57:19 -0700
Cc: "Paoletti, Tomaso" <Tomaso.Paoletti@caviumnetworks.com>
In-reply-to: <48EBF426.9080500@caviumnetworks.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <48EBF426.9080500@caviumnetworks.com>
Sender: linux-mips-bounce@linux-mips.org
User-agent: Thunderbird 2.0.0.16 (X11/20080723)
Allow port type to specify bugs that are not probed for.

Add a bugs field to the serial8250_config and propagate it to the
port's bugs field when the port is registered and configured.

Signed-off-by: David Daney <ddaney@caviumnetworks.com>
---
drivers/serial/8250.c |    2 ++
drivers/serial/8250.h |    1 +
2 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index c575b61..19a8373 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -1197,6 +1197,7 @@ static void autoconfig(struct uart_8250_port *up, 
unsigned int probeflags)
        up->port.fifosize = uart_config[up->port.type].fifo_size;
        up->capabilities = uart_config[up->port.type].flags;
        up->tx_loadsz = uart_config[up->port.type].tx_loadsz;
+       up->bugs |= uart_config[up->port.type].bugs;

        if (up->port.type == PORT_UNKNOWN)
                goto out;
@@ -2981,6 +2982,7 @@ int serial8250_register_port(struct uart_port *port)
                        uart->port.fifosize = uart_config[port->type].fifo_size;
                        uart->capabilities = uart_config[port->type].flags;
                        uart->tx_loadsz = uart_config[port->type].tx_loadsz;
+                       uart->bugs = uart_config[port->type].bugs;
                }

                set_io_fns_from_upio(&uart->port);
diff --git a/drivers/serial/8250.h b/drivers/serial/8250.h
index 5202603..c9b3002 100644
--- a/drivers/serial/8250.h
+++ b/drivers/serial/8250.h
@@ -34,6 +34,7 @@ struct serial8250_config {
        const char      *name;
        unsigned short  fifo_size;
        unsigned short  tx_loadsz;
+       unsigned short  bugs;
        unsigned char   fcr;
        unsigned int    flags;
};

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