diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/fotg210-hcd.c | 4 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-rcar.c | 9 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 10 |
3 files changed, 21 insertions, 2 deletions
diff --git a/drivers/usb/host/fotg210-hcd.c b/drivers/usb/host/fotg210-hcd.c index 77cc36efae95..0dbfa5c10703 100644 --- a/drivers/usb/host/fotg210-hcd.c +++ b/drivers/usb/host/fotg210-hcd.c @@ -1629,6 +1629,10 @@ static int fotg210_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, /* see what we found out */ temp = check_reset_complete(fotg210, wIndex, status_reg, fotg210_readl(fotg210, status_reg)); + + /* restart schedule */ + fotg210->command |= CMD_RUN; + fotg210_writel(fotg210, fotg210->command, &fotg210->regs->command); } if (!(temp & (PORT_RESUME|PORT_RESET))) { diff --git a/drivers/usb/host/xhci-rcar.c b/drivers/usb/host/xhci-rcar.c index 671bce18782c..8616c52849c6 100644 --- a/drivers/usb/host/xhci-rcar.c +++ b/drivers/usb/host/xhci-rcar.c @@ -238,10 +238,15 @@ int xhci_rcar_init_quirk(struct usb_hcd *hcd) * pointers. So, this driver clears the AC64 bit of xhci->hcc_params * to call dma_set_coherent_mask(dev, DMA_BIT_MASK(32)) in * xhci_gen_setup(). + * + * And, since the firmware/internal CPU control the USBSTS.STS_HALT + * and the process speed is down when the roothub port enters U3, + * long delay for the handshake of STS_HALT is neeed in xhci_suspend(). */ if (xhci_rcar_is_gen2(hcd->self.controller) || - xhci_rcar_is_gen3(hcd->self.controller)) - xhci->quirks |= XHCI_NO_64BIT_SUPPORT; + xhci_rcar_is_gen3(hcd->self.controller)) { + xhci->quirks |= XHCI_NO_64BIT_SUPPORT | XHCI_SLOW_SUSPEND; + } if (!xhci_rcar_wait_for_pll_active(hcd)) return -ETIMEDOUT; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 248cd7a8b163..03d1e552769b 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -3089,8 +3089,18 @@ static void xhci_endpoint_reset(struct usb_hcd *hcd, return; udev = (struct usb_device *) host_ep->hcpriv; vdev = xhci->devs[udev->slot_id]; + + /* + * vdev may be lost due to xHC restore error and re-initialization + * during S3/S4 resume. A new vdev will be allocated later by + * xhci_discover_or_reset_device() + */ + if (!udev->slot_id || !vdev) + return; ep_index = xhci_get_endpoint_index(&host_ep->desc); ep = &vdev->eps[ep_index]; + if (!ep) + return; /* Bail out if toggle is already being cleared by a endpoint reset */ if (ep->ep_state & EP_HARD_CLEAR_TOGGLE) { |