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mirror of git://projects.qi-hardware.com/openwrt-xburst.git synced 2024-12-25 21:59:34 +02:00
openwrt-xburst/target/linux/at91/patches/600-usb_vbus_active_high.patch
hauke 95ef6e1d42 kernel: update kernel from 2.6.38.2 to 2.6.38.6 and refresh patches
Thank you Peter Wagner for the patch. I refreshed the kernel patches and added the md5sum of the kernel.


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26905 3c298f89-4303-0410-b956-a3cf2f4a3e73
2011-05-15 17:23:02 +00:00

85 lines
3.1 KiB
Diff

--- a/arch/arm/mach-at91/at91cap9_devices.c
+++ b/arch/arm/mach-at91/at91cap9_devices.c
@@ -77,7 +77,7 @@ void __init at91_add_device_usbh(struct
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
}
usbh_data = *data;
--- a/arch/arm/mach-at91/at91sam9263_devices.c
+++ b/arch/arm/mach-at91/at91sam9263_devices.c
@@ -71,7 +71,7 @@ void __init at91_add_device_usbh(struct
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
}
usbh_data = *data;
--- a/arch/arm/mach-at91/at91sam9g45_devices.c
+++ b/arch/arm/mach-at91/at91sam9g45_devices.c
@@ -121,7 +121,7 @@ void __init at91_add_device_usbh_ohci(st
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
}
usbh_ohci_data = *data;
@@ -176,7 +176,7 @@ void __init at91_add_device_usbh_ehci(st
/* Enable VBus control for UHP ports */
for (i = 0; i < data->ports; i++) {
if (data->vbus_pin[i])
- at91_set_gpio_output(data->vbus_pin[i], 0);
+ at91_set_gpio_output(data->vbus_pin[i], data->vbus_active_high);
}
usbh_ehci_data = *data;
--- a/arch/arm/mach-at91/include/mach/board.h
+++ b/arch/arm/mach-at91/include/mach/board.h
@@ -96,8 +96,9 @@ extern void __init at91_add_device_eth(s
/* USB Host */
struct at91_usbh_data {
- u8 ports; /* number of ports on root hub */
- u8 vbus_pin[2]; /* port power-control pin */
+ u8 ports; /* number of ports on root hub */
+ u8 vbus_pin[2]; /* port power-control pin */
+ u8 vbus_active_high; /* true == vbus_pins are active high */
};
extern void __init at91_add_device_usbh(struct at91_usbh_data *data);
extern void __init at91_add_device_usbh_ohci(struct at91_usbh_data *data);
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -277,14 +277,13 @@ static int ohci_hcd_at91_drv_probe(struc
if (pdata) {
/* REVISIT make the driver support per-port power switching,
* and also overcurrent detection. Here we assume the ports
- * are always powered while this driver is active, and use
- * active-low power switches.
+ * are always powered while this driver is active.
*/
for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
if (pdata->vbus_pin[i] <= 0)
continue;
gpio_request(pdata->vbus_pin[i], "ohci_vbus");
- gpio_direction_output(pdata->vbus_pin[i], 0);
+ gpio_direction_output(pdata->vbus_pin[i], pdata->vbus_active_high);
}
}
@@ -301,7 +300,7 @@ static int ohci_hcd_at91_drv_remove(stru
for (i = 0; i < ARRAY_SIZE(pdata->vbus_pin); i++) {
if (pdata->vbus_pin[i] <= 0)
continue;
- gpio_direction_output(pdata->vbus_pin[i], 1);
+ gpio_direction_output(pdata->vbus_pin[i], !pdata->vbus_active_high);
gpio_free(pdata->vbus_pin[i]);
}
}