diff options
| author | david-b@pacbell.net <david-b@pacbell.net> | 2005-08-13 18:44:58 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2005-09-08 16:28:36 -0700 |
| commit | d0384200f6b608e77fb5ddf7dfae1bf0e42c1c6e (patch) | |
| tree | 4ab0d9bcf70a42a2c75b7a4aca7a757e7085ee94 /drivers/usb/host/ehci-sched.c | |
| parent | e09711aef4180002241c7f2eab37390ddf40d6a0 (diff) | |
[PATCH] ehci: add tt_usecs
This adds the field tt_usecs to ehci_qh and ehci_iso_stream, and sets it
appropriately when setting them up as periodic endpoints. It records
the transation translator's think_time (added in last patch) plus the
downstream (i.e. low or full speed) bustime of the transfer associated
with each interrupt or iso frame, as calculated by usb_calc_bus_time.
Signed-off-by: Dan Streetman <ddstreet@ieee.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/host/ehci-sched.c')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 4c972b57c7c3..ccc7300baa6d 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -700,6 +700,7 @@ iso_stream_init ( } else { u32 addr; + int think_time; addr = dev->ttport << 24; if (!ehci_is_TDI(ehci) @@ -709,6 +710,9 @@ iso_stream_init ( addr |= epnum << 8; addr |= dev->devnum; stream->usecs = HS_USECS_ISO (maxp); + think_time = dev->tt ? dev->tt->think_time : 0; + stream->tt_usecs = NS_TO_US (think_time + usb_calc_bus_time ( + dev->speed, is_input, 1, maxp)); if (is_input) { u32 tmp; |