diff options
| -rw-r--r-- | payloads/libpayload/drivers/usb/usb.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c index 53006fff21..54b113ce47 100644 --- a/payloads/libpayload/drivers/usb/usb.c +++ b/payloads/libpayload/drivers/usb/usb.c @@ -393,6 +393,9 @@ set_address (hci_t *controller, usb_speed speed, int hubport, int hubaddr) usb_detach_device (controller, dev->address); return -1; } + /* workaround for some USB devices: wait until they're ready, or + * they send a NAK when they're not allowed to do. 1ms is enough */ + mdelay(1); dev->configuration = malloc(buf[1]); if (!dev->configuration) { usb_debug ("could not allocate %d bytes for DT_CFG\n", buf[1]); |