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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@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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