aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/usb/host/ohci-q.c
diff options
context:
space:
mode:
authorRussell King <rmk@dyn-67.arm.linux.org.uk>2008-07-10 11:41:50 -0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2008-07-10 11:41:50 -0400
commitf0006314d37639714da9658cf4ff3f1f9f420764 (patch)
treeb8a18e014a40f2f8fd5148aab09c869dfaabd7a9 /drivers/usb/host/ohci-q.c
parenta177ba3b7a08beef3f0fe74efa0f90701891945a (diff)
parent1bd55a436f1f90de0e7f476e514e01bd67497b88 (diff)
Merge branch 'imx' into devel
Conflicts: arch/arm/mm/Kconfig
Diffstat (limited to 'drivers/usb/host/ohci-q.c')
-rw-r--r--drivers/usb/host/ohci-q.c12
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:
952 struct urb *urb; 952 struct urb *urb;
953 urb_priv_t *urb_priv; 953 urb_priv_t *urb_priv;
954 __hc32 savebits; 954 __hc32 savebits;
955 u32 tdINFO;
955 956
956 td = list_entry (entry, struct td, td_list); 957 td = list_entry (entry, struct td, td_list);
957 urb = td->urb; 958 urb = td->urb;
@@ -966,6 +967,17 @@ rescan_this:
966 savebits = *prev & ~cpu_to_hc32 (ohci, TD_MASK); 967 savebits = *prev & ~cpu_to_hc32 (ohci, TD_MASK);
967 *prev = td->hwNextTD | savebits; 968 *prev = td->hwNextTD | savebits;
968 969
970 /* If this was unlinked, the TD may not have been
971 * retired ... so manually save the data toggle.
972 * The controller ignores the value we save for
973 * control and ISO endpoints.
974 */
975 tdINFO = hc32_to_cpup(ohci, &td->hwINFO);
976 if ((tdINFO & TD_T) == TD_T_DATA0)
977 ed->hwHeadP &= ~cpu_to_hc32(ohci, ED_C);
978 else if ((tdINFO & TD_T) == TD_T_DATA1)
979 ed->hwHeadP |= cpu_to_hc32(ohci, ED_C);
980
969 /* HC may have partly processed this TD */ 981 /* HC may have partly processed this TD */
970 td_done (ohci, urb, td); 982 td_done (ohci, urb, td);
971 urb_priv->td_cnt++; 983 urb_priv->td_cnt++;