We already maintain a list of USB host controllers, so we can use that to implement a generic detect callback. Currently, all drivers define their own, which uses driver-specific means to arrive at the struct usb_host and then call usb_host_detect(). Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx> --- v1 -> v2: - no change --- drivers/usb/core/usb.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index ea244d4bcf6c..938a28e030bf 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -88,11 +88,25 @@ static inline void usb_host_release(struct usb_host *host) slice_release(&host->slice); } +static int usb_hw_detect(struct device_d *dev) +{ + struct usb_host *host; + + list_for_each_entry(host, &host_list, list) { + if (dev == host->hw_dev) + return usb_host_detect(host); + } + + return -ENODEV; +} + int usb_register_host(struct usb_host *host) { list_add_tail(&host->list, &host_list); host->busnum = host_busnum++; slice_init(&host->slice, dev_name(host->hw_dev)); + if (!host->hw_dev->detect) + host->hw_dev->detect = usb_hw_detect; return 0; } -- 2.30.0 _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox