diff options
| author | Patrick Georgi <patrick.georgi@secunet.com> | 2011-11-04 12:06:06 +0100 |
|---|---|---|
| committer | Stefan Reinauer <stefan.reinauer@coreboot.org> | 2011-11-04 22:14:29 +0100 |
| commit | bbc523146cfe732eef2ed81fee73c93b1c8e3b34 (patch) | |
| tree | c5a2830a72d2c3dd134abd7c8c6adbc3a7e68f3f | |
| parent | 01178bb03b1ae9bf51962ad03f8f73929a48e4b2 (diff) | |
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>
Reviewed-on: http://review.coreboot.org/397
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
| -rw-r--r-- | payloads/libpayload/drivers/usb/usb.c | 16 | ||||
| -rw-r--r-- | payloads/libpayload/drivers/usb/usbinit.c | 5 | ||||
| -rw-r--r-- | 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 4f423327d5..995b4c2918 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 3964197038..8499b82411 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 80eaaa40b7..0e892c80cd 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); /** @} */ |