Messages in this thread | | | Date | Wed, 13 May 2015 10:14:37 -0400 (EDT) | From | Alan Stern <> | Subject | Re: [PATCH v2 1/3] usb: notify hcd when USB device suspend or resume |
| |
On Wed, 13 May 2015, Lu, Baolu wrote:
> From software point of view, the extra time it takes to ask for cache > operation can be measured in xhci_device_suspend(). I can measure > the data later when I complete my tasks in hand. If that data is ignorable > comparing to the suspend time, we can simply do it always.
Or do it whenever the hardware doesn't support FSC. That seems reasonable.
Alan Stern
| |