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| author | Alan Stern <stern@rowland.harvard.edu> | 2005-09-16 14:22:51 -0400 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-10-28 16:47:39 -0700 |
| commit | a1d59ce842a35b552f22868404e4e7c923242257 (patch) | |
| tree | ee92b9406d1d10e07dcc433ae403dc6574f3013c /drivers/usb/host/uhci-q.c | |
| parent | 8b4cd42134fbd3c9a9a5c3467d31717798219b1b (diff) | |
| download | blackbird-op-linux-a1d59ce842a35b552f22868404e4e7c923242257.tar.gz blackbird-op-linux-a1d59ce842a35b552f22868404e4e7c923242257.zip | |
[PATCH] USB: UHCI: Split apart the physical and logical framelist arrays
This patch (as563) splits the physical and logical framelist arrays in
uhci-hcd into two separate pieces. This will allow slightly better memory
utilization, since each piece is no larger than a single page whereas
before the whole thing was a little bigger than two pages. It also allows
the logical array to be allocated in non-DMA-coherent memory.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/uhci-q.c')
| -rw-r--r-- | drivers/usb/host/uhci-q.c | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c index d54038211ca6..51de06bc438d 100644 --- a/drivers/usb/host/uhci-q.c +++ b/drivers/usb/host/uhci-q.c @@ -89,10 +89,10 @@ static void uhci_insert_td_frame_list(struct uhci_hcd *uhci, struct uhci_td *td, td->frame = framenum; /* Is there a TD already mapped there? */ - if (uhci->fl->frame_cpu[framenum]) { + if (uhci->frame_cpu[framenum]) { struct uhci_td *ftd, *ltd; - ftd = uhci->fl->frame_cpu[framenum]; + ftd = uhci->frame_cpu[framenum]; ltd = list_entry(ftd->fl_list.prev, struct uhci_td, fl_list); list_add_tail(&td->fl_list, &ftd->fl_list); @@ -101,10 +101,10 @@ static void uhci_insert_td_frame_list(struct uhci_hcd *uhci, struct uhci_td *td, wmb(); ltd->link = cpu_to_le32(td->dma_handle); } else { - td->link = uhci->fl->frame[framenum]; + td->link = uhci->frame[framenum]; wmb(); - uhci->fl->frame[framenum] = cpu_to_le32(td->dma_handle); - uhci->fl->frame_cpu[framenum] = td; + uhci->frame[framenum] = cpu_to_le32(td->dma_handle); + uhci->frame_cpu[framenum] = td; } } @@ -114,16 +114,16 @@ static void uhci_remove_td(struct uhci_hcd *uhci, struct uhci_td *td) if (td->frame == -1 && list_empty(&td->fl_list)) return; - if (td->frame != -1 && uhci->fl->frame_cpu[td->frame] == td) { + if (td->frame != -1 && uhci->frame_cpu[td->frame] == td) { if (list_empty(&td->fl_list)) { - uhci->fl->frame[td->frame] = td->link; - uhci->fl->frame_cpu[td->frame] = NULL; + uhci->frame[td->frame] = td->link; + uhci->frame_cpu[td->frame] = NULL; } else { struct uhci_td *ntd; ntd = list_entry(td->fl_list.next, struct uhci_td, fl_list); - uhci->fl->frame[td->frame] = cpu_to_le32(ntd->dma_handle); - uhci->fl->frame_cpu[td->frame] = ntd; + uhci->frame[td->frame] = cpu_to_le32(ntd->dma_handle); + uhci->frame_cpu[td->frame] = ntd; } } else { struct uhci_td *ptd; |
