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Merge branch 'for-usb-linus' of git+ssh://master.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
* 'for-usb-linus' of git+ssh://master.kernel.org/pub/scm/linux/kernel/git/sarah/xhci: usb/config: use proper endian access for wMaxPacketSize USB: xhci: fix OS want to own HC xhci: Don't submit commands or URBs to halted hosts.
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commit
8e36f79ecf
@ -123,10 +123,11 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
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}
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if (usb_endpoint_xfer_isoc(&ep->desc))
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max_tx = ep->desc.wMaxPacketSize * (desc->bMaxBurst + 1) *
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(desc->bmAttributes + 1);
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max_tx = (desc->bMaxBurst + 1) * (desc->bmAttributes + 1) *
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le16_to_cpu(ep->desc.wMaxPacketSize);
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else if (usb_endpoint_xfer_int(&ep->desc))
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max_tx = ep->desc.wMaxPacketSize * (desc->bMaxBurst + 1);
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max_tx = le16_to_cpu(ep->desc.wMaxPacketSize) *
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(desc->bMaxBurst + 1);
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else
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max_tx = 999999;
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if (le16_to_cpu(desc->wBytesPerInterval) > max_tx) {
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@ -134,10 +135,10 @@ static void usb_parse_ss_endpoint_companion(struct device *ddev, int cfgno,
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"config %d interface %d altsetting %d ep %d: "
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"setting to %d\n",
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usb_endpoint_xfer_isoc(&ep->desc) ? "Isoc" : "Int",
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desc->wBytesPerInterval,
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le16_to_cpu(desc->wBytesPerInterval),
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cfgno, inum, asnum, ep->desc.bEndpointAddress,
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max_tx);
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ep->ss_ep_comp.wBytesPerInterval = max_tx;
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ep->ss_ep_comp.wBytesPerInterval = cpu_to_le16(max_tx);
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}
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}
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@ -817,7 +817,7 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev)
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/* If the BIOS owns the HC, signal that the OS wants it, and wait */
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if (val & XHCI_HC_BIOS_OWNED) {
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writel(val & XHCI_HC_OS_OWNED, base + ext_cap_offset);
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writel(val | XHCI_HC_OS_OWNED, base + ext_cap_offset);
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/* Wait for 5 seconds with 10 microsecond polling interval */
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timeout = handshake(base + ext_cap_offset, XHCI_HC_BIOS_OWNED,
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@ -345,7 +345,8 @@ static void xhci_event_ring_work(unsigned long arg)
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spin_lock_irqsave(&xhci->lock, flags);
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temp = xhci_readl(xhci, &xhci->op_regs->status);
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xhci_dbg(xhci, "op reg status = 0x%x\n", temp);
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if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING)) {
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if (temp == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING) ||
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(xhci->xhc_state & XHCI_STATE_HALTED)) {
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xhci_dbg(xhci, "HW died, polling stopped.\n");
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spin_unlock_irqrestore(&xhci->lock, flags);
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return;
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@ -939,8 +940,11 @@ static int xhci_check_args(struct usb_hcd *hcd, struct usb_device *udev,
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return 0;
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}
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if (check_virt_dev) {
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xhci = hcd_to_xhci(hcd);
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if (xhci->xhc_state & XHCI_STATE_HALTED)
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return -ENODEV;
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if (check_virt_dev) {
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if (!udev->slot_id || !xhci->devs
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|| !xhci->devs[udev->slot_id]) {
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printk(KERN_DEBUG "xHCI %s called with unaddressed "
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@ -1242,7 +1246,8 @@ int xhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status)
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xhci_urb_free_priv(xhci, urb_priv);
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return ret;
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}
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if (xhci->xhc_state & XHCI_STATE_DYING) {
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if ((xhci->xhc_state & XHCI_STATE_DYING) ||
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(xhci->xhc_state & XHCI_STATE_HALTED)) {
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xhci_dbg(xhci, "Ep 0x%x: URB %p to be canceled on "
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"non-responsive xHCI host.\n",
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urb->ep->desc.bEndpointAddress, urb);
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@ -2665,7 +2670,10 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
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int i, ret;
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ret = xhci_check_args(hcd, udev, NULL, 0, true, __func__);
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if (ret <= 0)
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/* If the host is halted due to driver unload, we still need to free the
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* device.
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*/
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if (ret <= 0 && ret != -ENODEV)
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return;
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virt_dev = xhci->devs[udev->slot_id];
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@ -2679,7 +2687,8 @@ void xhci_free_dev(struct usb_hcd *hcd, struct usb_device *udev)
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spin_lock_irqsave(&xhci->lock, flags);
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/* Don't disable the slot if the host controller is dead. */
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state = xhci_readl(xhci, &xhci->op_regs->status);
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if (state == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING)) {
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if (state == 0xffffffff || (xhci->xhc_state & XHCI_STATE_DYING) ||
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(xhci->xhc_state & XHCI_STATE_HALTED)) {
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xhci_free_virt_device(xhci, udev->slot_id);
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spin_unlock_irqrestore(&xhci->lock, flags);
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return;
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