Patrick Georgi (patrick@georgi-clan.de) just uploaded a new patch set to gerrit, which you can find at http://review.coreboot.org/397
-gerrit
commit a77bd2597723266a82d50fd76ffe7c305731ce59 Author: Patrick Georgi patrick.georgi@secunet.com Date: Fri Nov 4 12:06:06 2011 +0100
libpayload: Implement usb_exit
So far it was empty and never published. It now exists and shuts down all controllers (esp. EHCI which resets the port routers).
Change-Id: I81e355e8a05778d6397675417b085a094a6f48ee Signed-off-by: Patrick Georgi patrick.georgi@secunet.com --- payloads/libpayload/drivers/usb/usb.c | 16 ++++++++++++++++ payloads/libpayload/drivers/usb/usbinit.c | 5 ----- payloads/libpayload/include/libpayload.h | 1 + 3 files changed, 17 insertions(+), 5 deletions(-)
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c index 8028d17..b60a463 100644 --- a/payloads/libpayload/drivers/usb/usb.c +++ b/payloads/libpayload/drivers/usb/usb.c @@ -68,6 +68,22 @@ detach_controller (hci_t *controller) }
/** + * Shut down all controllers + */ +int +usb_exit (void) +{ + if (usb_hcs == 0) + return 0; + hci_t *controller = usb_hcs; + while (controller != 0) { + controller->shutdown(controller); + controller = controller->next; + } + return 0; +} + +/** * Polls all hubs on all USB controllers, to find out about device changes */ void diff --git a/payloads/libpayload/drivers/usb/usbinit.c b/payloads/libpayload/drivers/usb/usbinit.c index d3cfbb7..e8c7a78 100644 --- a/payloads/libpayload/drivers/usb/usbinit.c +++ b/payloads/libpayload/drivers/usb/usbinit.c @@ -139,8 +139,3 @@ usb_initialize (void) return 0; }
-int -usb_exit (void) -{ - return 0; -} diff --git a/payloads/libpayload/include/libpayload.h b/payloads/libpayload/include/libpayload.h index 80eaaa4..0e892c8 100644 --- a/payloads/libpayload/include/libpayload.h +++ b/payloads/libpayload/include/libpayload.h @@ -123,6 +123,7 @@ void rtc_read_clock(struct tm *tm); * @{ */ int usb_initialize(void); +int usb_exit (void); int usbhid_havechar(void); int usbhid_getchar(void); /** @} */