diff options
Diffstat (limited to 'drivers/usb/host/whci/qset.c')
| -rw-r--r-- | drivers/usb/host/whci/qset.c | 24 |
1 files changed, 21 insertions, 3 deletions
diff --git a/drivers/usb/host/whci/qset.c b/drivers/usb/host/whci/qset.c index 08280869ed1c..39e855a55c63 100644 --- a/drivers/usb/host/whci/qset.c +++ b/drivers/usb/host/whci/qset.c @@ -49,11 +49,13 @@ struct whc_qset *qset_alloc(struct whc *whc, gfp_t mem_flags) * state * @urb: an urb for a transfer to this endpoint */ -static void qset_fill_qh(struct whc_qset *qset, struct urb *urb) +static void qset_fill_qh(struct whc *whc, struct whc_qset *qset, struct urb *urb) { struct usb_device *usb_dev = urb->dev; + struct wusb_dev *wusb_dev = usb_dev->wusb_dev; struct usb_wireless_ep_comp_descriptor *epcd; bool is_out; + uint8_t phy_rate; is_out = usb_pipeout(urb->pipe); @@ -68,6 +70,22 @@ static void qset_fill_qh(struct whc_qset *qset, struct urb *urb) qset->max_burst = 1; } + /* + * Initial PHY rate is 53.3 Mbit/s for control endpoints or + * the maximum supported by the device for other endpoints + * (unless limited by the user). + */ + if (usb_pipecontrol(urb->pipe)) + phy_rate = UWB_PHY_RATE_53; + else { + uint16_t phy_rates; + + phy_rates = le16_to_cpu(wusb_dev->wusb_cap_descr->wPHYRates); + phy_rate = fls(phy_rates) - 1; + if (phy_rate > whc->wusbhc.phy_rate) + phy_rate = whc->wusbhc.phy_rate; + } + qset->qh.info1 = cpu_to_le32( QH_INFO1_EP(usb_pipeendpoint(urb->pipe)) | (is_out ? QH_INFO1_DIR_OUT : QH_INFO1_DIR_IN) @@ -87,7 +105,7 @@ static void qset_fill_qh(struct whc_qset *qset, struct urb *urb) * strength and can presumably guess the Tx power required * from that? */ qset->qh.info3 = cpu_to_le32( - QH_INFO3_TX_RATE_53_3 + QH_INFO3_TX_RATE(phy_rate) | QH_INFO3_TX_PWR(0) /* 0 == max power */ ); @@ -149,7 +167,7 @@ struct whc_qset *get_qset(struct whc *whc, struct urb *urb, qset->ep = urb->ep; urb->ep->hcpriv = qset; - qset_fill_qh(qset, urb); + qset_fill_qh(whc, qset, urb); } return qset; } |