diff options
author | Jerry Huang <r66093@freescale.com> | 2011-10-18 13:09:48 +0800 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-11-07 13:47:21 -0800 |
commit | fc94e7993593e0594524c8bef4616d38b1be9206 (patch) | |
tree | ac1f84e173603300a7696f6b01e059f015fd3c74 /drivers | |
parent | 77447121fe52022de89494cc59631d9a5b58cdd8 (diff) |
QE/FHCI: fixed the CONTROL bug
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>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/usb/host/fhci-sched.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c index ff43747a614..b13d78a1c15 100644 --- 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 *fhci, struct urb *urb) 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 *fhci, struct urb *urb) 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: |