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path: root/drivers/usb/otg/otgdev.c
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Diffstat (limited to 'drivers/usb/otg/otgdev.c')
-rw-r--r--drivers/usb/otg/otgdev.c49
1 files changed, 34 insertions, 15 deletions
diff --git a/drivers/usb/otg/otgdev.c b/drivers/usb/otg/otgdev.c
index 29cb0d362b..5a86263430 100644
--- a/drivers/usb/otg/otgdev.c
+++ b/drivers/usb/otg/otgdev.c
@@ -2,10 +2,10 @@
#include <common.h>
#include <driver.h>
-#include <usb/usb.h>
+#include <linux/usb/usb.h>
struct otg_mode {
- struct device_d dev;
+ struct device dev;
unsigned int var_mode;
unsigned int cur_mode;
int (*set_mode_callback)(void *ctx, enum usb_dr_mode mode);
@@ -42,7 +42,7 @@ static const char *otg_mode_names[] = {
[USB_DR_MODE_OTG] = "otg",
};
-static int register_otg_device(struct device_d *dev, struct otg_mode *otg)
+static int register_otg_device(struct device *dev, struct otg_mode *otg)
{
struct param_d *param_mode;
int ret;
@@ -58,20 +58,33 @@ static int register_otg_device(struct device_d *dev, struct otg_mode *otg)
return PTR_ERR_OR_ZERO(param_mode);
}
-static struct device_d otg_device = {
- .name = "otg",
- .id = DEVICE_ID_SINGLE,
+struct bus_type otg_bus_type = {
+ .name = "usbotg" /* "otg" is already taken for the alias */
};
-int usb_register_otg_device(struct device_d *parent,
+int otg_device_get_mode(struct device *dev)
+{
+ struct otg_mode *otg;
+
+ if (dev->bus != &otg_bus_type)
+ return -ENODEV;
+
+ otg = dev->priv;
+
+ return otg->cur_mode;
+}
+
+int usb_register_otg_device(struct device *parent,
int (*set_mode)(void *ctx, enum usb_dr_mode mode), void *ctx)
{
+ bool first_otg = list_empty(&otg_bus_type.device_list);
int ret;
struct otg_mode *otg;
otg = xzalloc(sizeof(*otg));
otg->dev.priv = otg;
otg->dev.parent = parent;
+ otg->dev.bus = &otg_bus_type;
otg->dev.id = DEVICE_ID_DYNAMIC;
dev_set_name(&otg->dev, "otg");
@@ -80,13 +93,19 @@ int usb_register_otg_device(struct device_d *parent,
otg->set_mode_callback = set_mode;
otg->ctx = ctx;
+ ret = register_otg_device(&otg->dev, otg);
+ if (ret)
+ return ret;
+
/* register otg.mode as an alias of otg0.mode */
- if (otg_device.parent == NULL) {
- otg_device.parent = parent;
- ret = register_otg_device(&otg_device, otg);
- if (ret)
- return ret;
- }
-
- return register_otg_device(&otg->dev, otg);
+ if (first_otg)
+ dev_add_alias(&otg->dev, "otg");
+
+ return 0;
+}
+
+static int otg_bus_init(void)
+{
+ return bus_register(&otg_bus_type);
}
+pure_initcall(otg_bus_init);