#include <common.h>
#include <dm.h>
#include <errno.h>
+#include <memalign.h>
#include <usb.h>
#include <dm/device-internal.h>
#include <dm/lists.h>
-#include <dm/root.h>
#include <dm/uclass-internal.h>
DECLARE_GLOBAL_DATA_PTR;
return ops->reset_root_port(bus, udev);
}
+int usb_update_hub_device(struct usb_device *udev)
+{
+ struct udevice *bus = udev->controller_dev;
+ struct dm_usb_ops *ops = usb_get_ops(bus);
+
+ if (!ops->update_hub_device)
+ return -ENOSYS;
+
+ return ops->update_hub_device(bus, udev);
+}
+
int usb_stop(void)
{
struct udevice *bus;
uc_priv = uc->priv;
uclass_foreach_dev(bus, uc) {
- ret = device_remove(bus);
- if (ret && !err)
- err = ret;
- ret = device_unbind_children(bus);
+ ret = device_remove(bus, DM_REMOVE_NORMAL);
if (ret && !err)
err = ret;
}
-
+#ifdef CONFIG_BLK
+ ret = blk_unbind_all(IF_TYPE_USB);
+ if (ret && !err)
+ err = ret;
+#endif
#ifdef CONFIG_SANDBOX
struct udevice *dev;
uclass_foreach_dev(dev, uc)
usb_emul_reset(dev);
#endif
+#ifdef CONFIG_USB_STORAGE
usb_stor_reset();
- usb_hub_reset();
+#endif
uc_priv->companion_device_count = 0;
usb_started = 0;
printf("%d USB Device(s) found\n", priv->next_addr);
}
+static void remove_inactive_children(struct uclass *uc, struct udevice *bus)
+{
+ uclass_foreach_dev(bus, uc) {
+ struct udevice *dev, *next;
+
+ if (!device_active(bus))
+ continue;
+ device_foreach_child_safe(dev, next, bus) {
+ if (!device_active(dev))
+ device_unbind(dev);
+ }
+ }
+}
+
int usb_init(void)
{
int controllers_initialized = 0;
int ret;
asynch_allowed = 1;
- usb_hub_reset();
ret = uclass_get(UCLASS_USB, &uc);
if (ret)
}
debug("scan end\n");
+
+ /* Remove any devices that were not found on this scan */
+ remove_inactive_children(uc, bus);
+
+ ret = uclass_get(UCLASS_USB_HUB, &uc);
+ if (ret)
+ return ret;
+ remove_inactive_children(uc, bus);
+
/* if we were not able to find at least one working bus, bail out */
if (!count)
printf("No controllers found\n");
return usb_started ? 0 : -1;
}
+/*
+ * TODO(sjg@chromium.org): Remove this legacy function. At present it is needed
+ * to support boards which use driver model for USB but not Ethernet, and want
+ * to use USB Ethernet.
+ *
+ * The #if clause is here to ensure that remains the only case.
+ */
+#if !defined(CONFIG_DM_ETH) && defined(CONFIG_USB_HOST_ETHER)
static struct usb_device *find_child_devnum(struct udevice *parent, int devnum)
{
struct usb_device *udev;
if (!device_active(parent))
return NULL;
- udev = dev_get_parentdata(parent);
+ udev = dev_get_parent_priv(parent);
if (udev->devnum == devnum)
return udev;
return find_child_devnum(dev, devnum);
}
-
-int usb_post_bind(struct udevice *dev)
-{
- /* Scan the bus for devices */
- return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
-}
+#endif
int usb_setup_ehci_gadget(struct ehci_ctrl **ctlrp)
{
ret = uclass_find_device_by_seq(UCLASS_USB, 0, true, &dev);
if (ret)
return ret;
- ret = device_remove(dev);
+ ret = device_remove(dev, DM_REMOVE_NORMAL);
if (ret)
return ret;
}
/* returns 0 if no match, 1 if match */
-int usb_match_device(const struct usb_device_descriptor *desc,
- const struct usb_device_id *id)
+static int usb_match_device(const struct usb_device_descriptor *desc,
+ const struct usb_device_id *id)
{
if ((id->match_flags & USB_DEVICE_ID_MATCH_VENDOR) &&
id->idVendor != le16_to_cpu(desc->idVendor))
}
/* returns 0 if no match, 1 if match */
-int usb_match_one_id_intf(const struct usb_device_descriptor *desc,
- const struct usb_interface_descriptor *int_desc,
- const struct usb_device_id *id)
+static int usb_match_one_id_intf(const struct usb_device_descriptor *desc,
+ const struct usb_interface_descriptor *int_desc,
+ const struct usb_device_id *id)
{
/* The interface class, subclass, protocol and number should never be
* checked for a match if the device class is Vendor Specific,
}
/* returns 0 if no match, 1 if match */
-int usb_match_one_id(struct usb_device_descriptor *desc,
- struct usb_interface_descriptor *int_desc,
- const struct usb_device_id *id)
+static int usb_match_one_id(struct usb_device_descriptor *desc,
+ struct usb_interface_descriptor *int_desc,
+ const struct usb_device_id *id)
{
if (!usb_match_device(desc, id))
return 0;
}
/**
- * usb_find_emul_child() - Find an existing device for emulated devices
+ * usb_find_child() - Find an existing device which matches our needs
+ *
+ *
*/
-static int usb_find_emul_child(struct udevice *parent,
- struct usb_device_descriptor *desc,
- struct usb_interface_descriptor *iface,
- struct udevice **devp)
+static int usb_find_child(struct udevice *parent,
+ struct usb_device_descriptor *desc,
+ struct usb_interface_descriptor *iface,
+ struct udevice **devp)
{
-#ifdef CONFIG_SANDBOX
struct udevice *dev;
*devp = NULL;
return 0;
}
}
-#endif
+
return -ENOENT;
}
udev->portnr = port;
debug("Calling usb_setup_device(), portnr=%d\n", udev->portnr);
parent_udev = device_get_uclass_id(parent) == UCLASS_USB_HUB ?
- dev_get_parentdata(parent) : NULL;
+ dev_get_parent_priv(parent) : NULL;
ret = usb_setup_device(udev, priv->desc_before_addr, parent_udev);
debug("read_descriptor for '%s': ret=%d\n", parent->name, ret);
if (ret)
return ret;
- ret = usb_find_emul_child(parent, &udev->descriptor, iface, &dev);
- debug("** usb_find_emul_child returns %d\n", ret);
+ ret = usb_find_child(parent, &udev->descriptor, iface, &dev);
+ debug("** usb_find_child returns %d\n", ret);
if (ret) {
if (ret != -ENOENT)
return ret;
if (!device_active(dev))
continue;
- udev = dev_get_parentdata(dev);
+ udev = dev_get_parent_priv(dev);
if (usb_get_port_status(udev, udev->portnr, &status)
< 0)
/* USB request failed */
return change;
}
-int usb_child_post_bind(struct udevice *dev)
+static int usb_child_post_bind(struct udevice *dev)
{
struct usb_dev_platdata *plat = dev_get_parent_platdata(dev);
- const void *blob = gd->fdt_blob;
int val;
- if (dev->of_offset == -1)
+ if (!dev_of_valid(dev))
return 0;
/* We only support matching a few things */
- val = fdtdec_get_int(blob, dev->of_offset, "usb,device-class", -1);
+ val = dev_read_u32_default(dev, "usb,device-class", -1);
if (val != -1) {
plat->id.match_flags |= USB_DEVICE_ID_MATCH_DEV_CLASS;
plat->id.bDeviceClass = val;
}
- val = fdtdec_get_int(blob, dev->of_offset, "usb,interface-class", -1);
+ val = dev_read_u32_default(dev, "usb,interface-class", -1);
if (val != -1) {
plat->id.match_flags |= USB_DEVICE_ID_MATCH_INT_CLASS;
plat->id.bInterfaceClass = val;
int usb_child_pre_probe(struct udevice *dev)
{
- struct usb_device *udev = dev_get_parentdata(dev);
+ struct usb_device *udev = dev_get_parent_priv(dev);
struct usb_dev_platdata *plat = dev_get_parent_platdata(dev);
int ret;
.id = UCLASS_USB,
.name = "usb",
.flags = DM_UC_FLAG_SEQ_ALIAS,
- .post_bind = usb_post_bind,
+ .post_bind = dm_scan_fdt_dev,
.priv_auto_alloc_size = sizeof(struct usb_uclass_priv),
.per_child_auto_alloc_size = sizeof(struct usb_device),
.per_device_auto_alloc_size = sizeof(struct usb_bus_priv),
projects / platform / kernel / u-boot.git / blobdiff