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serial: 8250: Simplify capabilities reset at port unregister 

Since uart->port.type has just reset to PORT_UNKNOWN, capabilities
are reset to uart_config[PORT_UNKNOWN].flags, which is 0.

Removes unnecessary dependency on uart_config[].

Signed-off-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Peter Hurley 2015-02-24 14:25:03 -05:00 committed by Greg Kroah-Hartman
parent e6e98ceff3
commit 5db496b9c8
1 changed files with 1 additions and 1 deletions
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2
drivers/tty/serial/8250/8250_core.c
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@ -3747,7 +3747,7 @@ void serial8250_unregister_port(int line)
uart->port.flags &= ~UPF_BOOT_AUTOCONF;
uart->port.type = PORT_UNKNOWN;
uart->port.dev = &serial8250_isa_devs->dev;
uart->capabilities = uart_config[uart->port.type].flags;
uart->capabilities = 0;
uart_add_one_port(&serial8250_reg, &uart->port);
} else {
uart->port.dev = NULL;