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| author | Simon Glass <sjg@chromium.org> | 2015-03-25 12:22:04 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-04-18 11:11:20 -0600 |
| commit | 862e75c0dbb578ec2e1f374794007048f3dd29c6 (patch) | |
| tree | 0358873bc0ccfe7219a2aa526f5613d530a335f9 /include/usb.h | |
| parent | 53d8aa0f612325abb5754b8cbf33170e89f08b1e (diff) | |
| download | u-boot-imx-862e75c0dbb578ec2e1f374794007048f3dd29c6.zip u-boot-imx-862e75c0dbb578ec2e1f374794007048f3dd29c6.tar.gz u-boot-imx-862e75c0dbb578ec2e1f374794007048f3dd29c6.tar.bz2 | |
dm: usb: Refactor port resets
Move the port reset code into its own function. Rename usb_hub_reset() to
indicate that is is now a legacy function.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Marek Vasut <marex@denx.de>
Diffstat (limited to 'include/usb.h')
| -rw-r--r-- | include/usb.h | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/include/usb.h b/include/usb.h index 8cedaa2..9625148 100644 --- a/include/usb.h +++ b/include/usb.h @@ -700,9 +700,25 @@ bool usb_device_has_child_on_port(struct usb_device *parent, int port); int usb_hub_probe(struct usb_device *dev, int ifnum); void usb_hub_reset(void); -int hub_port_reset(struct usb_device *dev, int port, + +/** + * legacy_hub_port_reset() - reset a port given its usb_device pointer + * + * Reset a hub port and see if a device is present on that port, providing + * sufficient time for it to show itself. The port status is returned. + * + * With driver model this moves to hub_port_reset() and is passed a struct + * udevice. + * + * @dev: USB device to reset + * @port: Port number to reset (note ports are numbered from 0 here) + * @portstat: Returns port status + */ +int legacy_hub_port_reset(struct usb_device *dev, int port, unsigned short *portstat); +int hub_port_reset(struct udevice *dev, int port, unsigned short *portstat); + /** * usb_alloc_new_device() - Allocate a new device * |