diff options
author | Tom Rini <trini@konsulko.com> | 2021-01-05 16:20:26 -0500 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2021-01-05 16:20:26 -0500 |
commit | 720620e6916ba40b9a173bb07706d2c73f3c23e7 (patch) | |
tree | b085821f1d1137d80e9bb73f405ea0680db338b9 /drivers/usb/host | |
parent | c86b18074c9d40bfa63cda1068b6dfb810d4377d (diff) | |
parent | 62b07b5173e3d04fabfac42cf1f4779d021f94ad (diff) |
Merge tag 'v2021.01-rc5' into next
Prepare v2021.01-rc5
Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r-- | drivers/usb/host/dwc3-sti-glue.c | 2 | ||||
-rw-r--r-- | drivers/usb/host/xhci-ring.c | 18 |
2 files changed, 16 insertions, 4 deletions
diff --git a/drivers/usb/host/dwc3-sti-glue.c b/drivers/usb/host/dwc3-sti-glue.c index deb820a0f84..80e543496d9 100644 --- a/drivers/usb/host/dwc3-sti-glue.c +++ b/drivers/usb/host/dwc3-sti-glue.c @@ -3,7 +3,7 @@ * STiH407 family DWC3 specific Glue layer * * Copyright (C) 2017, STMicroelectronics - All Rights Reserved - * Author(s): Patrice Chotard, <patrice.chotard@st.com> for STMicroelectronics. + * Author(s): Patrice Chotard, <patrice.chotard@foss.st.com> for STMicroelectronics. */ #include <common.h> diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 13065d7ca99..d708fc928b2 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -580,10 +580,13 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, int ret; u32 trb_fields[4]; u64 val_64 = virt_to_phys(buffer); + void *last_transfer_trb_addr; + int available_length; debug("dev=%p, pipe=%lx, buffer=%p, length=%d\n", udev, pipe, buffer, length); + available_length = length; ep_index = usb_pipe_ep_index(pipe); virt_dev = ctrl->devs[slot_id]; @@ -697,7 +700,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, trb_fields[2] = length_field; trb_fields[3] = field | TRB_TYPE(TRB_NORMAL); - queue_trb(ctrl, ring, (num_trbs > 1), trb_fields); + last_transfer_trb_addr = queue_trb(ctrl, ring, (num_trbs > 1), trb_fields); --num_trbs; @@ -710,6 +713,7 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, giveback_first_trb(udev, ep_index, start_cycle, start_trb); +again: event = xhci_wait_for_event(ctrl, TRB_TRANSFER); if (!event) { debug("XHCI bulk transfer timed out, aborting...\n"); @@ -718,12 +722,20 @@ int xhci_bulk_tx(struct usb_device *udev, unsigned long pipe, udev->act_len = 0; return -ETIMEDOUT; } - field = le32_to_cpu(event->trans_event.flags); + if ((uintptr_t)(le64_to_cpu(event->trans_event.buffer)) + != (uintptr_t)last_transfer_trb_addr) { + available_length -= + (int)EVENT_TRB_LEN(le32_to_cpu(event->trans_event.transfer_len)); + xhci_acknowledge_event(ctrl); + goto again; + } + + field = le32_to_cpu(event->trans_event.flags); BUG_ON(TRB_TO_SLOT_ID(field) != slot_id); BUG_ON(TRB_TO_EP_INDEX(field) != ep_index); - record_transfer_result(udev, event, length); + record_transfer_result(udev, event, available_length); xhci_acknowledge_event(ctrl); xhci_inval_cache((uintptr_t)buffer, length); |