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authorSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
committerSteven Whitehouse <swhiteho@redhat.com>2006-10-02 08:45:08 -0400
commit59458f40e25915a355d8b1d701425fe9f4f9ea23 (patch)
treef1c9a2934df686e36d75f759ab7313b6f0e0e5f9 /arch/arm/mach-sa1100/collie.c
parent825f9075d74028d11d7f5932f04e1b5db3022b51 (diff)
parentd834c16516d1ebec4766fc58c059bf01311e6045 (diff)
Merge branch 'master' into gfs2
Diffstat (limited to 'arch/arm/mach-sa1100/collie.c')
-rw-r--r--arch/arm/mach-sa1100/collie.c23
1 files changed, 10 insertions, 13 deletions
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index a0dfa390e34..6496eb645ce 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -91,30 +91,29 @@ static struct mcp_plat_data collie_mcp_data = {
/*
* low-level UART features.
*/
-static struct locomo_dev *uart_dev = NULL;
+struct platform_device collie_locomo_device;
static void collie_uart_set_mctrl(struct uart_port *port, u_int mctrl)
{
- if (!uart_dev) return;
-
if (mctrl & TIOCM_RTS)
- locomo_gpio_write(uart_dev, LOCOMO_GPIO_RTS, 0);
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 0);
else
- locomo_gpio_write(uart_dev, LOCOMO_GPIO_RTS, 1);
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_RTS, 1);
if (mctrl & TIOCM_DTR)
- locomo_gpio_write(uart_dev, LOCOMO_GPIO_DTR, 0);
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 0);
else
- locomo_gpio_write(uart_dev, LOCOMO_GPIO_DTR, 1);
+ locomo_gpio_write(&collie_locomo_device.dev, LOCOMO_GPIO_DTR, 1);
}
static u_int collie_uart_get_mctrl(struct uart_port *port)
{
int ret = TIOCM_CD;
unsigned int r;
- if (!uart_dev) return ret;
- r = locomo_gpio_read_output(uart_dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
+ r = locomo_gpio_read_output(&collie_locomo_device.dev, LOCOMO_GPIO_CTS & LOCOMO_GPIO_DSR);
+ if (r == -ENODEV)
+ return ret;
if (r & LOCOMO_GPIO_CTS)
ret |= TIOCM_CTS;
if (r & LOCOMO_GPIO_DSR)
@@ -130,13 +129,11 @@ static struct sa1100_port_fns collie_port_fns __initdata = {
static int collie_uart_probe(struct locomo_dev *dev)
{
- uart_dev = dev;
return 0;
}
static int collie_uart_remove(struct locomo_dev *dev)
{
- uart_dev = NULL;
return 0;
}
@@ -170,7 +167,7 @@ static struct resource locomo_resources[] = {
},
};
-static struct platform_device locomo_device = {
+struct platform_device collie_locomo_device = {
.name = "locomo",
.id = 0,
.num_resources = ARRAY_SIZE(locomo_resources),
@@ -178,7 +175,7 @@ static struct platform_device locomo_device = {
};
static struct platform_device *devices[] __initdata = {
- &locomo_device,
+ &collie_locomo_device,
&colliescoop_device,
};