On Thu, 29 Aug 2013, Ming Lei wrote:
On Wed, 28 Aug 2013 12:23:31 -0400 (EDT)
Alan Stern st...@rowland.harvard.edu wrote:
You must never alter ehci-last_iso_frame like this. It violates the
driver's invariants for time to run backward. After all, there may
already be other TDs
On Mon, 26 Aug 2013 14:50:53 -0400 (EDT)
Alan Stern st...@rowland.harvard.edu wrote:
This patch does the real work. It fixes up ehci-hcd so that an URB
submitted by a completion handler will keep the isochronous stream
alive, even if the handler was delayed by running in a tasklet and the
On Wed, 28 Aug 2013, Ming Lei wrote:
Below is the approach I proposed(mentioned in another thread), which should be
simper than this one, any comments?
drivers/usb/host/ehci-sched.c | 53
++---
drivers/usb/host/ehci.h |1 +
2 files
On Thu, Aug 29, 2013 at 12:23 AM, Alan Stern st...@rowland.harvard.edu wrote:
On Wed, 28 Aug 2013, Ming Lei wrote:
Below is the approach I proposed(mentioned in another thread), which should
be
simper than this one, any comments?
drivers/usb/host/ehci-sched.c | 53
This patch does the real work. It fixes up ehci-hcd so that an URB
submitted by a completion handler will keep the isochronous stream
alive, even if the handler was delayed by running in a tasklet and the
queue has emptied out.
As I mentioned earlier, this is not a simple change.
Alan Stern
