diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.19/950-0652-Revert-usb-xhci-hack-xhci_urb_enqueue-to-support-hid.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.19/950-0652-Revert-usb-xhci-hack-xhci_urb_enqueue-to-support-hid.patch | 113 |
1 files changed, 113 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.19/950-0652-Revert-usb-xhci-hack-xhci_urb_enqueue-to-support-hid.patch b/target/linux/brcm2708/patches-4.19/950-0652-Revert-usb-xhci-hack-xhci_urb_enqueue-to-support-hid.patch new file mode 100644 index 0000000000..13347ce662 --- /dev/null +++ b/target/linux/brcm2708/patches-4.19/950-0652-Revert-usb-xhci-hack-xhci_urb_enqueue-to-support-hid.patch @@ -0,0 +1,113 @@ +From adeaf5a2d52777cb4e4de1b7ebaf525e9a7991b7 Mon Sep 17 00:00:00 2001 +From: popcornmix <popcornmix@gmail.com> +Date: Fri, 7 Jun 2019 14:50:12 +0100 +Subject: [PATCH 652/782] Revert "usb: xhci: hack xhci_urb_enqueue to support + hid.mousepoll behaviour" + +This reverts commit 1cf1071a79f320bc4497a3ade77431f04442eb17. +--- + drivers/usb/host/xhci.c | 86 ----------------------------------------- + 1 file changed, 86 deletions(-) + +--- a/drivers/usb/host/xhci.c ++++ b/drivers/usb/host/xhci.c +@@ -1416,87 +1416,6 @@ command_cleanup: + } + + /* +- * RPI: Fixup endpoint intervals when requested +- * - Check interval versus the (cached) endpoint context +- * - set the endpoint interval to the new value +- * - force an endpoint configure command +- */ +-static void xhci_fixup_interval(struct xhci_hcd *xhci, struct urb *urb, +- unsigned int slot_id, unsigned int ep_index) +-{ +- struct xhci_ep_ctx *ep_ctx_out, *ep_ctx_in; +- struct xhci_command *command; +- struct xhci_input_control_ctx *ctrl_ctx; +- struct xhci_virt_device *vdev; +- int xhci_interval, ep_interval; +- int ret; +- unsigned long flags; +- u32 ep_info_tmp; +- +- spin_lock_irqsave(&xhci->lock, flags); +- +- vdev = xhci->devs[slot_id]; +- /* Get context-derived endpoint interval */ +- ep_ctx_out = xhci_get_ep_ctx(xhci, vdev->out_ctx, ep_index); +- ep_ctx_in = xhci_get_ep_ctx(xhci, vdev->in_ctx, ep_index); +- xhci_interval = EP_INTERVAL_TO_UFRAMES(le32_to_cpu(ep_ctx_out->ep_info)); +- ep_interval = urb->interval * 8; +- +- if (ep_interval == xhci_interval) { +- spin_unlock_irqrestore(&xhci->lock, flags); +- return; +- } +- +- xhci_dbg(xhci, "Fixup interval ep_interval=%d xhci_interval=%d\n", +- ep_interval, xhci_interval); +- command = xhci_alloc_command_with_ctx(xhci, true, GFP_ATOMIC); +- if (!command) { +- /* Failure here is benign, poll at the original rate */ +- spin_unlock_irqrestore(&xhci->lock, flags); +- return; +- } +- +- /* xHCI uses exponents for intervals... */ +- xhci_interval = fls(ep_interval) - 1; +- xhci_interval = clamp_val(xhci_interval, 3, 10); +- ep_info_tmp = le32_to_cpu(ep_ctx_out->ep_info); +- ep_info_tmp &= ~EP_INTERVAL(255); +- ep_info_tmp |= EP_INTERVAL(xhci_interval); +- +- /* Keep the endpoint context up-to-date while issuing the command. */ +- xhci_endpoint_copy(xhci, vdev->in_ctx, +- vdev->out_ctx, ep_index); +- ep_ctx_in->ep_info = cpu_to_le32(ep_info_tmp); +- +- /* +- * We need to drop the lock, so take an explicit copy +- * of the ep context. +- */ +- xhci_endpoint_copy(xhci, command->in_ctx, vdev->in_ctx, ep_index); +- +- ctrl_ctx = xhci_get_input_control_ctx(command->in_ctx); +- if (!ctrl_ctx) { +- xhci_warn(xhci, +- "%s: Could not get input context, bad type.\n", +- __func__); +- spin_unlock_irqrestore(&xhci->lock, flags); +- xhci_free_command(xhci, command); +- return; +- } +- ctrl_ctx->add_flags = xhci_get_endpoint_flag_from_index(ep_index); +- ctrl_ctx->drop_flags = 0; +- +- spin_unlock_irqrestore(&xhci->lock, flags); +- +- ret = xhci_configure_endpoint(xhci, urb->dev, command, +- false, false); +- if (ret) +- xhci_warn(xhci, "%s: Configure endpoint failed: %d\n", +- __func__, ret); +- xhci_free_command(xhci, command); +-} +- +-/* + * non-error returns are a promise to giveback() the urb later + * we drop ownership so next owner (or urb unlink) can get it + */ +@@ -1564,11 +1483,6 @@ static int xhci_urb_enqueue(struct usb_h + } + } + +- if (usb_endpoint_xfer_int(&urb->ep->desc) && +- (urb->dev->speed == USB_SPEED_FULL || +- urb->dev->speed == USB_SPEED_LOW)) +- xhci_fixup_interval(xhci, urb, slot_id, ep_index); +- + spin_lock_irqsave(&xhci->lock, flags); + + if (xhci->xhc_state & XHCI_STATE_DYING) { |