Date: Fri, 6 Mar 2015 16:08:11 +0000 (UTC) From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-10@freebsd.org Subject: svn commit: r279693 - stable/10/sys/dev/usb/controller Message-ID: <201503061608.t26G8Bhb020601@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: hselasky Date: Fri Mar 6 16:08:10 2015 New Revision: 279693 URL: https://svnweb.freebsd.org/changeset/base/279693 Log: MFC r279563: Add quirk for USB 3.0 controllers which don't support 64-bit DMA. Modified: stable/10/sys/dev/usb/controller/xhci_pci.c Directory Properties: stable/10/ (props changed) Modified: stable/10/sys/dev/usb/controller/xhci_pci.c ============================================================================== --- stable/10/sys/dev/usb/controller/xhci_pci.c Fri Mar 6 16:08:03 2015 (r279692) +++ stable/10/sys/dev/usb/controller/xhci_pci.c Fri Mar 6 16:08:10 2015 (r279693) @@ -180,6 +180,7 @@ xhci_pci_attach(device_t self) { struct xhci_softc *sc = device_get_softc(self); int count, err, rid; + uint8_t usedma32; rid = PCI_XHCI_CBMEM; sc->sc_io_res = bus_alloc_resource_any(self, SYS_RES_MEMORY, &rid, @@ -192,7 +193,17 @@ xhci_pci_attach(device_t self) sc->sc_io_hdl = rman_get_bushandle(sc->sc_io_res); sc->sc_io_size = rman_get_size(sc->sc_io_res); - if (xhci_init(sc, self, 0)) { + /* check for USB 3.0 controllers which don't support 64-bit DMA */ + switch (pci_get_devid(self)) { + case 0x01941033: /* NEC uPD720200 USB 3.0 controller */ + usedma32 = 1; + break; + default: + usedma32 = 0; + break; + } + + if (xhci_init(sc, self, usedma32)) { device_printf(self, "Could not initialize softc\n"); bus_release_resource(self, SYS_RES_MEMORY, PCI_XHCI_CBMEM, sc->sc_io_res);
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201503061608.t26G8Bhb020601>