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authorLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 11:47:02 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-23 11:47:02 -0700
commit5f05647dd81c11a6a165ccc8f0c1370b16f3bcb0 (patch)
tree7851ef1c93aa1aba7ef327ca4b75fd35e6d10f29 /drivers/net/wireless/ath/ath9k/hif_usb.c
parent02f36038c568111ad4fc433f6fa760ff5e38fab4 (diff)
parentec37a48d1d16c30b655ac5280209edf52a6775d4 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits) bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL. vlan: Calling vlan_hwaccel_do_receive() is always valid. tproxy: use the interface primary IP address as a default value for --on-ip tproxy: added IPv6 support to the socket match cxgb3: function namespace cleanup tproxy: added IPv6 support to the TPROXY target tproxy: added IPv6 socket lookup function to nf_tproxy_core be2net: Changes to use only priority codes allowed by f/w tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled tproxy: added tproxy sockopt interface in the IPV6 layer tproxy: added udp6_lib_lookup function tproxy: added const specifiers to udp lookup functions tproxy: split off ipv6 defragmentation to a separate module l2tp: small cleanup nf_nat: restrict ICMP translation for embedded header can: mcp251x: fix generation of error frames can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set can-raw: add msg_flags to distinguish local traffic 9p: client code cleanup rds: make local functions/variables static ... Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and drivers/net/wireless/ath/ath9k/debug.c as per David
Diffstat (limited to 'drivers/net/wireless/ath/ath9k/hif_usb.c')
-rw-r--r--drivers/net/wireless/ath/ath9k/hif_usb.c35
1 files changed, 28 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
index 17e7a9a367e7..728d904c74d7 100644
--- a/drivers/net/wireless/ath/ath9k/hif_usb.c
+++ b/drivers/net/wireless/ath/ath9k/hif_usb.c
@@ -92,10 +92,10 @@ static int hif_usb_send_regout(struct hif_device_usb *hif_dev,
cmd->skb = skb;
cmd->hif_dev = hif_dev;
- usb_fill_int_urb(urb, hif_dev->udev,
- usb_sndintpipe(hif_dev->udev, USB_REG_OUT_PIPE),
+ usb_fill_bulk_urb(urb, hif_dev->udev,
+ usb_sndbulkpipe(hif_dev->udev, USB_REG_OUT_PIPE),
skb->data, skb->len,
- hif_usb_regout_cb, cmd, 1);
+ hif_usb_regout_cb, cmd);
usb_anchor_urb(urb, &hif_dev->regout_submitted);
ret = usb_submit_urb(urb, GFP_KERNEL);
@@ -541,7 +541,8 @@ static void ath9k_hif_usb_reg_in_cb(struct urb *urb)
}
usb_fill_int_urb(urb, hif_dev->udev,
- usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE),
+ usb_rcvbulkpipe(hif_dev->udev,
+ USB_REG_IN_PIPE),
nskb->data, MAX_REG_IN_BUF_SIZE,
ath9k_hif_usb_reg_in_cb, nskb, 1);
@@ -720,7 +721,8 @@ static int ath9k_hif_usb_alloc_reg_in_urb(struct hif_device_usb *hif_dev)
goto err;
usb_fill_int_urb(hif_dev->reg_in_urb, hif_dev->udev,
- usb_rcvintpipe(hif_dev->udev, USB_REG_IN_PIPE),
+ usb_rcvbulkpipe(hif_dev->udev,
+ USB_REG_IN_PIPE),
skb->data, MAX_REG_IN_BUF_SIZE,
ath9k_hif_usb_reg_in_cb, skb, 1);
@@ -822,7 +824,9 @@ static int ath9k_hif_usb_download_fw(struct hif_device_usb *hif_dev)
static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
{
- int ret;
+ int ret, idx;
+ struct usb_host_interface *alt = &hif_dev->interface->altsetting[0];
+ struct usb_endpoint_descriptor *endp;
/* Request firmware */
ret = request_firmware(&hif_dev->firmware, hif_dev->fw_name,
@@ -850,6 +854,22 @@ static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
goto err_fw_download;
}
+ /* On downloading the firmware to the target, the USB descriptor of EP4
+ * is 'patched' to change the type of the endpoint to Bulk. This will
+ * bring down CPU usage during the scan period.
+ */
+ for (idx = 0; idx < alt->desc.bNumEndpoints; idx++) {
+ endp = &alt->endpoint[idx].desc;
+ if (((endp->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK)
+ == 0x04) &&
+ ((endp->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
+ == USB_ENDPOINT_XFER_INT)) {
+ endp->bmAttributes &= ~USB_ENDPOINT_XFERTYPE_MASK;
+ endp->bmAttributes |= USB_ENDPOINT_XFER_BULK;
+ endp->bInterval = 0;
+ }
+ }
+
return 0;
err_fw_download:
@@ -920,7 +940,8 @@ static int ath9k_hif_usb_probe(struct usb_interface *interface,
}
ret = ath9k_htc_hw_init(hif_dev->htc_handle,
- &hif_dev->udev->dev, hif_dev->device_id);
+ &hif_dev->udev->dev, hif_dev->device_id,
+ hif_dev->udev->product);
if (ret) {
ret = -EINVAL;
goto err_htc_hw_init;