linux-kernel - [PATCH 3/4] serial: Allow port type to specify bugs that are not probed for.

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Message-ID: <48EBF75F.2000404@caviumnetworks.com>
Date:	Tue, 07 Oct 2008 16:57:19 -0700
From:	David Daney <ddaney@...iumnetworks.com>
To:	linux-serial@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-mips@...ux-mips.org
CC:	"Paoletti, Tomaso" <Tomaso.Paoletti@...iumnetworks.com>
Subject: [PATCH 3/4] serial: Allow port type to specify bugs that are not
 probed for.

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@...iumnetworks.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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