98 lines
3.1 KiB
Diff
98 lines
3.1 KiB
Diff
FROM: Solidhal <hal@halemmerich.com>
|
|
|
|
This patch reverse commit 2b721118b7821107757eb1d37af4b60e877b27e7, as can bee seen here: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=2b721118b7821107757eb1d37af4b60e877b27e7
|
|
|
|
This commit caused issues on veyron speedy with ath9k and dwc2 drivers. Any ath9k device (ar9271)
|
|
would intermittently work, most of the time ending in errors as can bee seen here: https://github.com/SolidHal/PrawnOS/issues/38
|
|
This commit fixes that issue.
|
|
|
|
diff --git a/drivers/net/wireless/ath/ath9k/hif_usb.c b/drivers/net/wireless/ath/ath9k/hif_usb.c
|
|
--- b/drivers/net/wireless/ath/ath9k/hif_usb.c
|
|
+++ a/drivers/net/wireless/ath/ath9k/hif_usb.c
|
|
@@ -115,10 +115,10 @@
|
|
cmd->skb = skb;
|
|
cmd->hif_dev = hif_dev;
|
|
|
|
+ usb_fill_bulk_urb(urb, hif_dev->udev,
|
|
+ usb_sndbulkpipe(hif_dev->udev, USB_REG_OUT_PIPE),
|
|
- usb_fill_int_urb(urb, hif_dev->udev,
|
|
- usb_sndintpipe(hif_dev->udev, USB_REG_OUT_PIPE),
|
|
skb->data, skb->len,
|
|
+ hif_usb_regout_cb, cmd);
|
|
- hif_usb_regout_cb, cmd, 1);
|
|
|
|
usb_anchor_urb(urb, &hif_dev->regout_submitted);
|
|
ret = usb_submit_urb(urb, GFP_KERNEL);
|
|
@@ -723,11 +723,11 @@
|
|
return;
|
|
}
|
|
|
|
+ usb_fill_bulk_urb(urb, hif_dev->udev,
|
|
+ usb_rcvbulkpipe(hif_dev->udev,
|
|
- usb_fill_int_urb(urb, hif_dev->udev,
|
|
- usb_rcvintpipe(hif_dev->udev,
|
|
USB_REG_IN_PIPE),
|
|
nskb->data, MAX_REG_IN_BUF_SIZE,
|
|
+ ath9k_hif_usb_reg_in_cb, nskb);
|
|
- ath9k_hif_usb_reg_in_cb, nskb, 1);
|
|
}
|
|
|
|
resubmit:
|
|
@@ -909,11 +909,11 @@
|
|
goto err_skb;
|
|
}
|
|
|
|
+ usb_fill_bulk_urb(urb, hif_dev->udev,
|
|
+ usb_rcvbulkpipe(hif_dev->udev,
|
|
- usb_fill_int_urb(urb, hif_dev->udev,
|
|
- usb_rcvintpipe(hif_dev->udev,
|
|
USB_REG_IN_PIPE),
|
|
skb->data, MAX_REG_IN_BUF_SIZE,
|
|
+ ath9k_hif_usb_reg_in_cb, skb);
|
|
- ath9k_hif_usb_reg_in_cb, skb, 1);
|
|
|
|
/* Anchor URB */
|
|
usb_anchor_urb(urb, &hif_dev->reg_in_submitted);
|
|
@@ -1031,7 +1031,9 @@
|
|
|
|
static int ath9k_hif_usb_dev_init(struct hif_device_usb *hif_dev)
|
|
{
|
|
+ struct usb_host_interface *alt = &hif_dev->interface->altsetting[0];
|
|
+ struct usb_endpoint_descriptor *endp;
|
|
+ int ret, idx;
|
|
- int ret;
|
|
|
|
ret = ath9k_hif_usb_download_fw(hif_dev);
|
|
if (ret) {
|
|
@@ -1041,6 +1043,20 @@
|
|
return ret;
|
|
}
|
|
|
|
+ /* 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->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK)
|
|
+ == USB_ENDPOINT_XFER_INT) {
|
|
+ endp->bmAttributes &= ~USB_ENDPOINT_XFERTYPE_MASK;
|
|
+ endp->bmAttributes |= USB_ENDPOINT_XFER_BULK;
|
|
+ endp->bInterval = 0;
|
|
+ }
|
|
+ }
|
|
+
|
|
/* Alloc URBs */
|
|
ret = ath9k_hif_usb_alloc_urbs(hif_dev);
|
|
if (ret) {
|
|
@@ -1252,7 +1268,7 @@
|
|
if (!buf)
|
|
return;
|
|
|
|
+ ret = usb_bulk_msg(udev, usb_sndbulkpipe(udev, USB_REG_OUT_PIPE),
|
|
- ret = usb_interrupt_msg(udev, usb_sndintpipe(udev, USB_REG_OUT_PIPE),
|
|
buf, 4, NULL, USB_MSG_TIMEOUT);
|
|
if (ret)
|
|
dev_err(&udev->dev, "ath9k_htc: USB reboot failed\n");
|
|
|