Add a __weak function that can be overridden to reset devices attached to an ehci devices after the FEAT_POWER has been submitted
Signed-off-by: Dan Murphy <dmur...@ti.com> --- v3 - Modified location of the weak function - http://patchwork.ozlabs.org/patch/258229/ common/usb_hub.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/common/usb_hub.c b/common/usb_hub.c index 774ba63..c655b75 100644 --- a/common/usb_hub.c +++ b/common/usb_hub.c @@ -62,6 +62,10 @@ static struct usb_hub_device hub_dev[USB_MAX_HUB]; static int usb_hub_index; +__weak void usb_hub_reset_devices(int port) +{ + return; +} static int usb_get_hub_descriptor(struct usb_device *dev, void *data, int size) { @@ -444,6 +448,14 @@ static int usb_hub_configure(struct usb_device *dev) "" : "no "); usb_hub_power_on(hub); + /* + * Reset any devices that may be in a bad state when applying + * the power. This is a __weak function. Resettig of the devices + * should occur in the board file of the device. + */ + for (i = 0; i < dev->maxchild; i++) + usb_hub_reset_devices(i + 1); + for (i = 0; i < dev->maxchild; i++) { ALLOC_CACHE_ALIGN_BUFFER(struct usb_port_status, portsts, 1); unsigned short portstatus, portchange; -- 1.7.9.5 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
