Date: Sun, 8 Feb 2009 20:26:16 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: Perforce Change Reviews <perforce@FreeBSD.org> Subject: PERFORCE change 157384 for review Message-ID: <200902082026.n18KQGYG022363@repoman.freebsd.org>
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http://perforce.freebsd.org/chv.cgi?CH=157384 Change 157384 by hselasky@hselasky_laptop001 on 2009/02/08 20:25:45 USB controller: EHCI High Speed Interrupt endpoint fix. Affected files ... .. //depot/projects/usb/src/sys/dev/usb2/controller/ehci2.c#32 edit Differences ... ==== //depot/projects/usb/src/sys/dev/usb2/controller/ehci2.c#32 (text+ko) ==== @@ -1896,8 +1896,17 @@ EHCI_QH_SET_MPL(xfer->max_packet_size)); if (usb2_get_speed(xfer->xroot->udev) == USB_SPEED_HIGH) { - qh_endp |= (EHCI_QH_SET_EPS(EHCI_QH_SPEED_HIGH) | - EHCI_QH_DTC | EHCI_QH_SET_NRL(8)); + if (methods != &ehci_device_intr_methods) { + qh_endp |= (EHCI_QH_SET_EPS(EHCI_QH_SPEED_HIGH) | + EHCI_QH_DTC | EHCI_QH_SET_NRL(8)); + } else { + /* + * Nak-Reload count must be zero for interrupt + * endpoints See EHCI pdf file, section 4.9 + */ + qh_endp |= (EHCI_QH_SET_EPS(EHCI_QH_SPEED_HIGH) | + EHCI_QH_DTC); + } } else { if (usb2_get_speed(xfer->xroot->udev) == USB_SPEED_FULL) {
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