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-rw-r--r--drivers/serial/8250_gsc.c15
-rw-r--r--drivers/serial/mux.c4
2 files changed, 10 insertions, 9 deletions
diff --git a/drivers/serial/8250_gsc.c b/drivers/serial/8250_gsc.c
index 8b4947933d9..913c71cc056 100644
--- a/drivers/serial/8250_gsc.c
+++ b/drivers/serial/8250_gsc.c
@@ -52,13 +52,14 @@ serial_init_chip(struct parisc_device *dev)
address += 0x800;
}
- memset(&port, 0, sizeof(struct uart_port));
- port.mapbase = address;
- port.irq = dev->irq;
- port.iotype = UPIO_MEM;
- port.flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF;
- port.uartclk = LASI_BASE_BAUD * 16;
- port.dev = &dev->dev;
+ memset(&port, 0, sizeof(port));
+ port.iotype = UPIO_MEM;
+ port.uartclk = LASI_BASE_BAUD * 16;
+ port.mapbase = address;
+ port.membase = ioremap_nocache(address, 16);
+ port.irq = dev->irq;
+ port.flags = UPF_BOOT_AUTOCONF;
+ port.dev = &dev->dev;
err = serial8250_register_port(&port);
if (err < 0) {
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;