diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 07:47:47 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 07:47:47 +0200 |
commit | 93022136fff9e6130aa128a5ed8a599e93ac813c (patch) | |
tree | 185390fb75a3d7423cc508610b76637c957205b9 /drivers/usb/host/ohci-q.c | |
parent | c49c412a47b5102516d3313d4eba38cb1e968721 (diff) | |
parent | b7279469d66b55119784b8b9529c99c1955fe747 (diff) |
Merge commit 'v2.6.26-rc9' into x86/cpu
Diffstat (limited to 'drivers/usb/host/ohci-q.c')
-rw-r--r-- | drivers/usb/host/ohci-q.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/usb/host/ohci-q.c b/drivers/usb/host/ohci-q.c index 9c9f3b59186f..9b547407c934 100644 --- a/drivers/usb/host/ohci-q.c +++ b/drivers/usb/host/ohci-q.c @@ -952,6 +952,7 @@ rescan_this: struct urb *urb; urb_priv_t *urb_priv; __hc32 savebits; + u32 tdINFO; td = list_entry (entry, struct td, td_list); urb = td->urb; @@ -966,6 +967,17 @@ rescan_this: savebits = *prev & ~cpu_to_hc32 (ohci, TD_MASK); *prev = td->hwNextTD | savebits; + /* If this was unlinked, the TD may not have been + * retired ... so manually save the data toggle. + * The controller ignores the value we save for + * control and ISO endpoints. + */ + tdINFO = hc32_to_cpup(ohci, &td->hwINFO); + if ((tdINFO & TD_T) == TD_T_DATA0) + ed->hwHeadP &= ~cpu_to_hc32(ohci, ED_C); + else if ((tdINFO & TD_T) == TD_T_DATA1) + ed->hwHeadP |= cpu_to_hc32(ohci, ED_C); + /* HC may have partly processed this TD */ td_done (ohci, urb, td); urb_priv->td_cnt++; |