X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=drivers%2Fserial%2Fmux.c;h=64c0e89124c9983bc4a29e844e2842e9cac18fb8;hb=33b37a33c242542fac2980b8ccd90977388b7a8d;hp=4e49168c31761a976588c35fee2a0d446644cd4a;hpb=0825788ff27c7145e9d558cb2a26f3837d1f9be5;p=powerpc.git

diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 4e49168c31..64c0e89124 100644
--- a/drivers/serial/mux.c
+++ b/drivers/serial/mux.c
@@ -51,7 +51,7 @@
 #define MUX_BREAK(status) ((status & 0xF000) == 0x2000)
 
 #define MUX_NR 256
-static unsigned int port_cnt = 0;
+static unsigned int port_cnt __read_mostly;
 static struct uart_port mux_ports[MUX_NR];
 
 static struct uart_driver mux_driver = {
@@ -461,8 +461,8 @@ static int __init mux_probe(struct parisc_device *dev)
 		port->iobase	= 0;
 		port->mapbase	= dev->hpa.start + MUX_OFFSET +
 						(i * MUX_LINE_OFFSET);
-		port->membase	= ioremap(port->mapbase, MUX_LINE_OFFSET);
-		port->iotype	= SERIAL_IO_MEM;
+		port->membase	= ioremap_nocache(port->mapbase, MUX_LINE_OFFSET);
+		port->iotype	= UPIO_MEM;
 		port->type	= PORT_MUX;
 		port->irq	= NO_IRQ;
 		port->uartclk	= 0;