[PATCH] UHCI: Eliminate the TD-removal list

This patch (as682) gets rid of the TD-removal list in uhci-hcd.  It is
no longer needed because now TDs are not freed until we know the
hardware isn't using them.  It also simplifies the code for adding and
removing TDs to/from URBs.

Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Alan Stern
2006-05-12 11:29:04 -04:00
committed by Greg Kroah-Hartman
parent a0b458b64b
commit 04538a255a
3 changed files with 27 additions and 71 deletions

View File

@@ -228,7 +228,6 @@ struct uhci_td {
dma_addr_t dma_handle;
struct list_head list;
struct list_head remove_list;
int frame; /* for iso: what frame? */
struct list_head fl_list;
@@ -420,10 +419,6 @@ struct uhci_hcd {
unsigned long resuming_ports;
unsigned long ports_timeout; /* Time to stop signalling */
/* List of TDs that are done, but waiting to be freed (race) */
struct list_head td_remove_list;
unsigned int td_remove_age; /* Age in frames */
struct list_head idle_qh_list; /* Where the idle QHs live */
int rh_numports; /* Number of root-hub ports */