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[PARISC] I/O-Space must be ioremap_nocache()'d

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Addresses in F-space must be accessed uncached on most parisc machines.

Signed-off-by: Helge Deller <deller@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Helge Deller
2006-03-27 12:52:15 -07:00
committed by Kyle McMartin
parent 94c3e87a79
commit 5076c15862
13 changed files with 47 additions and 53 deletions
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15
drivers/serial/8250_gsc.c
View File

@@ -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) {

4
drivers/serial/mux.c
View File

@@ -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;