Nico Huber ([email protected]) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/1903
-gerrit commit a194d14df2677e48ac3726106a6545ebded463a5 Author: Nico Huber <[email protected]> Date: Thu Nov 22 11:18:19 2012 +0100 libpayload: Detach devices behind removed USB hubs When a USB hub got removed, we should also remove all devices that were attached to it. Change-Id: I73c0da1b7570f1af9726925ca222781b3d752557 Signed-off-by: Nico Huber <[email protected]> --- payloads/libpayload/drivers/usb/usbhub.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/payloads/libpayload/drivers/usb/usbhub.c b/payloads/libpayload/drivers/usb/usbhub.c index 47215fc..90e08db 100644 --- a/payloads/libpayload/drivers/usb/usbhub.c +++ b/payloads/libpayload/drivers/usb/usbhub.c @@ -53,6 +53,17 @@ typedef struct { static void usb_hub_destroy (usbdev_t *dev) { + int i; + + /* First, detach all devices behind this hub. */ + int *const ports = HUB_INST (dev)->ports; + for (i = 1; i <= HUB_INST (dev)->num_ports; i++) { + if (ports[i] != -1) { + usb_detach_device(dev->controller, ports[i]); + ports[i] = -1; + } + } + free (HUB_INST (dev)->ports); free (HUB_INST (dev)->descriptor); free (HUB_INST (dev)); -- coreboot mailing list: [email protected] http://www.coreboot.org/mailman/listinfo/coreboot
