ehci: drop old stuff
Drop the "ehci under development" banner. Drop unused & inactive (#if 0) code. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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@ -1471,36 +1471,10 @@ static int ehci_process_itd(EHCIState *ehci,
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}
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qemu_sglist_destroy(&ehci->isgl);
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#if 0
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/* In isoch, there is no facility to indicate a NAK so let's
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* instead just complete a zero-byte transaction. Setting
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* DBERR seems too draconian.
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*/
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if (ret == USB_RET_NAK) {
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if (ehci->isoch_pause > 0) {
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DPRINTF("ISOCH: received a NAK but paused so returning\n");
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ehci->isoch_pause--;
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return 0;
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} else if (ehci->isoch_pause == -1) {
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DPRINTF("ISOCH: recv NAK & isoch pause inactive, setting\n");
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// Pause frindex for up to 50 msec waiting for data from
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// remote
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ehci->isoch_pause = 50;
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return 0;
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} else {
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DPRINTF("ISOCH: isoch pause timeout! return 0\n");
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/* no data for us, so do a zero-length transfer */
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ret = 0;
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}
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} else {
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DPRINTF("ISOCH: received ACK, clearing pause\n");
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ehci->isoch_pause = -1;
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}
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#else
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if (ret == USB_RET_NAK) {
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ret = 0;
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}
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#endif
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if (ret >= 0) {
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if (!dir) {
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@ -2389,8 +2363,6 @@ static int usb_ehci_initfn(PCIDevice *dev)
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memory_region_init_io(&s->mem, &ehci_mem_ops, s, "ehci", MMIO_SIZE);
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pci_register_bar(&s->dev, 0, PCI_BASE_ADDRESS_SPACE_MEMORY, &s->mem);
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fprintf(stderr, "*** EHCI support is under development ***\n");
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return 0;
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}
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