diff options
| author | Nico Huber <nico.huber@secunet.com> | 2012-05-21 16:19:05 +0200 |
|---|---|---|
| committer | Patrick Georgi <patrick@georgi-clan.de> | 2012-06-01 12:21:14 +0200 |
| commit | 5f595cb6ebd8edddb1e253353753bf1c5433395e (patch) | |
| tree | de83ca514f80dbd983a26bf7e7a0ba830ab19f28 /payloads/libpayload/drivers/usb/usb.c | |
| parent | cefec0ea8c436f36a2fd71b58364d4a65f52948a (diff) | |
libpayload: Add clear_feature() function to USB framework
This function will be used by the USB hub driver.
Change-Id: I4d1d2e94f4442cbb636ae989e8ffd543181c4357
Signed-off-by: Nico Huber <nico.huber@secunet.com>
Reviewed-on: http://review.coreboot.org/1079
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
Diffstat (limited to 'payloads/libpayload/drivers/usb/usb.c')
| -rw-r--r-- | payloads/libpayload/drivers/usb/usb.c | 25 |
1 files changed, 16 insertions, 9 deletions
diff --git a/payloads/libpayload/drivers/usb/usb.c b/payloads/libpayload/drivers/usb/usb.c index 1f21e6a994..1e8f24814c 100644 --- a/payloads/libpayload/drivers/usb/usb.c +++ b/payloads/libpayload/drivers/usb/usb.c @@ -205,22 +205,29 @@ set_configuration (usbdev_t *dev) dev->controller->control (dev, OUT, sizeof (dr), &dr, 0, 0); } -int -clear_stall (endpoint_t *ep) +void +clear_feature (usbdev_t *dev, int endp, int feature, int rtype) { - usbdev_t *dev = ep->dev; - int endp = ep->endpoint; dev_req_t dr; - dr.bmRequestType = 0; - if (endp != 0) { - dr.req_recp = endp_recp; - } + dr.bmRequestType = rtype; + dr.data_dir = host_to_device; dr.bRequest = CLEAR_FEATURE; - dr.wValue = ENDPOINT_HALT; + dr.wValue = feature; dr.wIndex = endp; dr.wLength = 0; dev->controller->control (dev, OUT, sizeof (dr), &dr, 0, 0); +} + +int +clear_stall (endpoint_t *ep) +{ + usbdev_t *dev = ep->dev; + int endp = ep->endpoint; + int rtype = gen_bmRequestType (host_to_device, standard_type, + endp ? endp_recp : dev_recp); + + clear_feature (dev, endp, ENDPOINT_HALT, rtype); ep->toggle = 0; return 0; } |