X-Git-Url: http://pilppa.org/gitweb/?a=blobdiff_plain;f=drivers%2Fserial%2Fmux.c;h=64c0e89124c9983bc4a29e844e2842e9cac18fb8;hb=5b542e4422766d644ca303b8a47b27ec9eeeef3a;hp=868eaf4a1a68c08a533c8676243d27b06f0b0534;hpb=0b1fc9b86f49e1e73e473e06a16556ca0dce53ae;p=linux-2.6-omap-h63xx.git

diff --git a/drivers/serial/mux.c b/drivers/serial/mux.c
index 868eaf4a1a6..64c0e89124c 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 = {
@@ -461,7 +461,7 @@ 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->membase	= ioremap_nocache(port->mapbase, MUX_LINE_OFFSET);
 		port->iotype	= UPIO_MEM;
 		port->type	= PORT_MUX;
 		port->irq	= NO_IRQ;