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| author | hselasky <hselasky@FreeBSD.org> | 2014-10-02 16:56:00 +0000 |
|---|---|---|
| committer | hselasky <hselasky@FreeBSD.org> | 2014-10-02 16:56:00 +0000 |
| commit | 223886f22f4cd1c9210b299ae0738b6016c5d662 (patch) | |
| tree | 57c1a779372acc1050212087988b9707d0841b84 /sys/dev/usb/controller/xhci.c | |
| parent | 83fc5b7af7613164edcf4575015b27822b707b43 (diff) | |
| download | FreeBSD-src-223886f22f4cd1c9210b299ae0738b6016c5d662.zip FreeBSD-src-223886f22f4cd1c9210b299ae0738b6016c5d662.tar.gz | |
Make sure we always set the maximum number of valid contexts.
MFC after: 3 days
Diffstat (limited to 'sys/dev/usb/controller/xhci.c')
| -rw-r--r-- | sys/dev/usb/controller/xhci.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sys/dev/usb/controller/xhci.c b/sys/dev/usb/controller/xhci.c index 90acb5c..8676c0f 100644 --- a/sys/dev/usb/controller/xhci.c +++ b/sys/dev/usb/controller/xhci.c @@ -2271,14 +2271,17 @@ xhci_configure_mask(struct usb_device *udev, uint32_t mask, uint8_t drop) /* adjust */ x--; - /* figure out maximum */ - if (x > sc->sc_hw.devs[index].context_num) { + /* figure out the maximum number of contexts */ + if (x > sc->sc_hw.devs[index].context_num) sc->sc_hw.devs[index].context_num = x; - temp = xhci_ctx_get_le32(sc, &pinp->ctx_slot.dwSctx0); - temp &= ~XHCI_SCTX_0_CTX_NUM_SET(31); - temp |= XHCI_SCTX_0_CTX_NUM_SET(x + 1); - xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp); - } + else + x = sc->sc_hw.devs[index].context_num; + + /* update number of contexts */ + temp = xhci_ctx_get_le32(sc, &pinp->ctx_slot.dwSctx0); + temp &= ~XHCI_SCTX_0_CTX_NUM_SET(31); + temp |= XHCI_SCTX_0_CTX_NUM_SET(x + 1); + xhci_ctx_set_le32(sc, &pinp->ctx_slot.dwSctx0, temp); } return (0); } |
