| Date | Wed, 09 Nov 2011 13:32:00 -0800 | From | Greg KH <> | Subject | [073/264] QE/FHCI: fixed the CONTROL bug |
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3.1-stable review patch. If anyone has any objections, please let me know.
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From: Jerry Huang <r66093@freescale.com>
commit 273d23574f9dacd9c63c80e7d63639a669aad441 upstream.
For USB CONTROL transaction, when the data length is zero, the IN package is needed to finish this transaction in status stage.
Signed-off-by: Jerry Huang <r66093@freescale.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
--- drivers/usb/host/fhci-sched.c | 19 +++++++++++++++---- 1 file changed, 15 insertions(+), 4 deletions(-)
--- a/drivers/usb/host/fhci-sched.c +++ b/drivers/usb/host/fhci-sched.c @@ -1,7 +1,7 @@ /* * Freescale QUICC Engine USB Host Controller Driver * - * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Copyright (c) Freescale Semicondutor, Inc. 2006, 2011. * Shlomi Gridish <gridish@freescale.com> * Jerry Huang <Chang-Ming.Huang@freescale.com> * Copyright (c) Logic Product Development, Inc. 2007 @@ -810,9 +810,11 @@ void fhci_queue_urb(struct fhci_hcd *fhc ed->dev_addr = usb_pipedevice(urb->pipe); ed->max_pkt_size = usb_maxpacket(urb->dev, urb->pipe, usb_pipeout(urb->pipe)); + /* setup stage */ td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP, USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true); + /* data stage */ if (data_len > 0) { td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, usb_pipeout(urb->pipe) ? FHCI_TA_OUT : @@ -820,9 +822,18 @@ void fhci_queue_urb(struct fhci_hcd *fhc USB_TD_TOGGLE_DATA1, data, data_len, 0, 0, true); } - td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, - usb_pipeout(urb->pipe) ? FHCI_TA_IN : FHCI_TA_OUT, - USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true); + + /* status stage */ + if (data_len > 0) + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, + (usb_pipeout(urb->pipe) ? FHCI_TA_IN : + FHCI_TA_OUT), + USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true); + else + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, + FHCI_TA_IN, + USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true); + urb_state = US_CTRL_SETUP; break; case FHCI_TF_ISO:
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