usb: ehci: fully align interrupt QHs/QTDs

[karo-tx-uboot.git] / drivers / usb / host / ehci-hcd.c

diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 17187caed4827841615bf2f3a66b915bb291a131..6017090ebeec93092953cc53266cd6de4a745dc7 100644 (file)
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -395,6 +395,7 @@ ehci_submit_async(struct usb_device *dev, unsigned long pipe, void *buffer,
                QH_ENDPT2_UFCMASK(0) | QH_ENDPT2_UFSMASK(0);
        qh->qh_endpt2 = cpu_to_hc32(endpt);
        qh->qh_overlay.qt_next = cpu_to_hc32(QT_NEXT_TERMINATE);
+       qh->qh_overlay.qt_altnext = cpu_to_hc32(QT_NEXT_TERMINATE);
 
        tdp = &qh->qh_overlay.qt_next;
 
@@ -1161,14 +1162,16 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
                debug("ehci intr queue: out of memory\n");
                goto fail1;
        }
-       result->first = memalign(32, sizeof(struct QH) * queuesize);
+       result->first = memalign(USB_DMA_MINALIGN,
+                                sizeof(struct QH) * queuesize);
        if (!result->first) {
                debug("ehci intr queue: out of memory\n");
                goto fail2;
        }
        result->current = result->first;
        result->last = result->first + queuesize - 1;
-       result->tds = memalign(32, sizeof(struct qTD) * queuesize);
+       result->tds = memalign(USB_DMA_MINALIGN,
+                              sizeof(struct qTD) * queuesize);
        if (!result->tds) {
                debug("ehci intr queue: out of memory\n");
                goto fail3;
@@ -1186,6 +1189,7 @@ create_int_queue(struct usb_device *dev, unsigned long pipe, int queuesize,
                        qh->qh_link = QH_LINK_TERMINATE;
 
                qh->qh_overlay.qt_next = (uint32_t)td;
+               qh->qh_overlay.qt_altnext = QT_NEXT_TERMINATE;
                qh->qh_endpt1 = (0 << 28) | /* No NAK reload (ehci 4.9) */
                        (usb_maxpacket(dev, pipe) << 16) | /* MPS */
                        (1 << 14) |