diff options
| author | Bin Meng <bmeng.cn@gmail.com> | 2017-07-19 21:51:11 +0800 |
|---|---|---|
| committer | Marek Vasut <marex@denx.de> | 2017-07-28 23:34:30 +0200 |
| commit | 46c1d49330fe21b3f9d2f7577ee4268248e7b666 (patch) | |
| tree | 68584c48afb9880819e0b16eb985f047ce047092 /drivers/usb/host | |
| parent | a199a7244899f6385035459cbc62409bd9bbcc23 (diff) | |
usb: hub: Add a new API to test if a hub device is root hub
Sometimes we need know if a given hub device is root hub or not.
Add a new API to test this. This removes the xHCI driver's own
version is_root_hub() and change to use the new API.
While we are here, remove the unused/commented out get_usb_device()
in the xHCI driver too.
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/xhci.c | 24 |
1 files changed, 2 insertions, 22 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 62ab62b31b..0c88980522 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -1116,26 +1116,6 @@ int usb_lowlevel_stop(int index) #endif /* CONFIG_DM_USB */ #ifdef CONFIG_DM_USB -/* -static struct usb_device *get_usb_device(struct udevice *dev) -{ - struct usb_device *udev; - - if (device_get_uclass_id(dev) == UCLASS_USB) - udev = dev_get_uclass_priv(dev); - else - udev = dev_get_parent_priv(dev); - - return udev; -} -*/ -static bool is_root_hub(struct udevice *dev) -{ - if (device_get_uclass_id(dev->parent) != UCLASS_USB_HUB) - return true; - - return false; -} static int xhci_submit_control_msg(struct udevice *dev, struct usb_device *udev, unsigned long pipe, void *buffer, int length, @@ -1150,10 +1130,10 @@ static int xhci_submit_control_msg(struct udevice *dev, struct usb_device *udev, hub = udev->dev; if (device_get_uclass_id(hub) == UCLASS_USB_HUB) { /* Figure out our port number on the root hub */ - if (is_root_hub(hub)) { + if (usb_hub_is_root_hub(hub)) { root_portnr = udev->portnr; } else { - while (!is_root_hub(hub->parent)) + while (!usb_hub_is_root_hub(hub->parent)) hub = hub->parent; uhop = dev_get_parent_priv(hub); root_portnr = uhop->portnr; |