On Wed, Nov 19, 2014 at 1:47 AM, 李云志 wrote:
> hi Julius & Alan
>
> Shall we use dwc2's private status "hsotg->lx_state" here instesd of
> "hcd->state" for checking root hub is in suspend state ?
> I see the EHCI driver do something like this(ehci->rh_state ==
> EHCI_RH_SUSPENDED) before resume
On 18.11.2014 18:41, Felipe Balbi wrote:
> On Tue, Nov 18, 2014 at 11:07:34AM -0500, Alan Stern wrote:
>> On Tue, 18 Nov 2014, Kever Yang wrote:
>>
>>> After we implement the bus_suspend/resume, auto suspend id enabled.
>>> The root hub will be auto suspend if there is no device connected,
>>> we n
On Tue, 18 Nov 2014, Julius Werner wrote:
> >> You should be aware that it's not safe to use hcd->state for anything
> >> in a host controller driver. That field is owned by usbcore, not by
> >> the HCD, and it is not protected by any locks.
> >>
> >> Thus, for example, hcd->state does not get se
>> You should be aware that it's not safe to use hcd->state for anything
>> in a host controller driver. That field is owned by usbcore, not by
>> the HCD, and it is not protected by any locks.
>>
>> Thus, for example, hcd->state does not get set to HC_STATE_SUSPENDED
>> until some time after the
On Tue, Nov 18, 2014 at 11:07:34AM -0500, Alan Stern wrote:
> On Tue, 18 Nov 2014, Kever Yang wrote:
>
> > After we implement the bus_suspend/resume, auto suspend id enabled.
> > The root hub will be auto suspend if there is no device connected,
> > we need to resume the root hub when a device con
On Tue, 18 Nov 2014, Kever Yang wrote:
> After we implement the bus_suspend/resume, auto suspend id enabled.
> The root hub will be auto suspend if there is no device connected,
> we need to resume the root hub when a device connect detect.
>
> This patch tested on rk3288.
>
> Signed-off-by: Roy
On Tue, Nov 18, 2014 at 09:21:24AM +0800, Kever Yang wrote:
> After we implement the bus_suspend/resume, auto suspend id enabled.
> The root hub will be auto suspend if there is no device connected,
> we need to resume the root hub when a device connect detect.
>
> This patch tested on rk3288.
>
Kever,
On Mon, Nov 17, 2014 at 5:21 PM, Kever Yang wrote:
> After we implement the bus_suspend/resume, auto suspend id enabled.
> The root hub will be auto suspend if there is no device connected,
> we need to resume the root hub when a device connect detect.
>
> This patch tested on rk3288.
>
>
After we implement the bus_suspend/resume, auto suspend id enabled.
The root hub will be auto suspend if there is no device connected,
we need to resume the root hub when a device connect detect.
This patch tested on rk3288.
Signed-off-by: Roy Li
Signed-off-by: Kever Yang
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Changes in v2:
-
