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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2008-05-01 04:34:59 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-01 08:04:00 -0700
commit6f441fe99814f64315b8c11890744230b990c460 (patch)
tree306cbcb8669d3a2f56b214da201c75be2ca499b9
parent4ed99a27d161ce6f1eb6657c5cd5e6aef365c665 (diff)
downloadop-kernel-dev-6f441fe99814f64315b8c11890744230b990c460.zip
op-kernel-dev-6f441fe99814f64315b8c11890744230b990c460.tar.gz
8250: switch 8250 drivers to use _nocache ioremaps
Signed-off-by: Alan Cox <alan@redhat.com> Cc: Russell King <rmk@arm.linux.org.uk> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--drivers/serial/8250.c3
-rw-r--r--drivers/serial/8250_early.c2
-rw-r--r--drivers/serial/8250_pci.c14
3 files changed, 11 insertions, 8 deletions
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index ea41f26..a1ca9b7 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2271,7 +2271,8 @@ static int serial8250_request_std_resource(struct uart_8250_port *up)
}
if (up->port.flags & UPF_IOREMAP) {
- up->port.membase = ioremap(up->port.mapbase, size);
+ up->port.membase = ioremap_nocache(up->port.mapbase,
+ size);
if (!up->port.membase) {
release_mem_region(up->port.mapbase, size);
ret = -ENOMEM;
diff --git a/drivers/serial/8250_early.c b/drivers/serial/8250_early.c
index cd89870..f279745 100644
--- a/drivers/serial/8250_early.c
+++ b/drivers/serial/8250_early.c
@@ -153,7 +153,7 @@ static int __init parse_options(struct early_serial8250_device *device,
(void __iomem *)__fix_to_virt(FIX_EARLYCON_MEM_BASE);
port->membase += port->mapbase & ~PAGE_MASK;
#else
- port->membase = ioremap(port->mapbase, 64);
+ port->membase = ioremap_nocache(port->mapbase, 64);
if (!port->membase) {
printk(KERN_ERR "%s: Couldn't ioremap 0x%llx\n",
__func__,
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index 6e57382..53fa19c 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -86,7 +86,7 @@ setup_port(struct serial_private *priv, struct uart_port *port,
len = pci_resource_len(dev, bar);
if (!priv->remapped_bar[bar])
- priv->remapped_bar[bar] = ioremap(base, len);
+ priv->remapped_bar[bar] = ioremap_nocache(base, len);
if (!priv->remapped_bar[bar])
return -ENOMEM;
@@ -270,7 +270,7 @@ static int pci_plx9050_init(struct pci_dev *dev)
/*
* enable/disable interrupts
*/
- p = ioremap(pci_resource_start(dev, 0), 0x80);
+ p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
if (p == NULL)
return -ENOMEM;
writel(irq_config, p + 0x4c);
@@ -294,7 +294,7 @@ static void __devexit pci_plx9050_exit(struct pci_dev *dev)
/*
* disable interrupts
*/
- p = ioremap(pci_resource_start(dev, 0), 0x80);
+ p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
if (p != NULL) {
writel(0, p + 0x4c);
@@ -341,7 +341,8 @@ static int sbs_init(struct pci_dev *dev)
{
u8 __iomem *p;
- p = ioremap(pci_resource_start(dev, 0), pci_resource_len(dev, 0));
+ p = ioremap_nocache(pci_resource_start(dev, 0),
+ pci_resource_len(dev, 0));
if (p == NULL)
return -ENOMEM;
@@ -365,7 +366,8 @@ static void __devexit sbs_exit(struct pci_dev *dev)
{
u8 __iomem *p;
- p = ioremap(pci_resource_start(dev, 0), pci_resource_len(dev, 0));
+ p = ioremap_nocache(pci_resource_start(dev, 0),
+ pci_resource_len(dev, 0));
/* FIXME: What if resource_len < OCT_REG_CR_OFF */
if (p != NULL)
writeb(0, p + OCT_REG_CR_OFF);
@@ -419,7 +421,7 @@ static int pci_siig10x_init(struct pci_dev *dev)
break;
}
- p = ioremap(pci_resource_start(dev, 0), 0x80);
+ p = ioremap_nocache(pci_resource_start(dev, 0), 0x80);
if (p == NULL)
return -ENOMEM;
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