MIPS: AR7: Ensure that serial ports are properly set up

Without UPF_FIXED_TYPE, the data from the PORT_AR7 uart_config entry is
never copied, resulting in a dead port.

Fixes: 154615d ("MIPS: AR7: Use correct UART port type")
Signed-off-by: Oswald Buddenhagen <[email protected]>
[jonas.gorski: add Fixes tag]
Signed-off-by: Jonas Gorski <[email protected]>
Reviewed-by: Florian Fainelli <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Greg Kroah-Hartman <[email protected]>
Cc: Yoshihiro YUNOMAE <[email protected]>
Cc: Nicolas Schichan <[email protected]>
Cc: Oswald Buddenhagen <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/17543/
Signed-off-by: James Hogan <[email protected]>

Author: ossilator

arch/mips/ar7/platform.c

@@ -575,6 +575,7 @@ static int __init ar7_register_uarts(void)
 	uart_port.type		= PORT_AR7;
 	uart_port.uartclk	= clk_get_rate(bus_clk) / 2;
 	uart_port.iotype	= UPIO_MEM32;
+	uart_port.flags		= UPF_FIXED_TYPE;
 	uart_port.regshift	= 2;
 
 	uart_port.line		= 0;