On 15.02.2015 16:29, Sneeker Yeh wrote:
> hi Mathias:
>
> thanks for reviewing these patch,
> and sorry for replying lately~
>
>>> + status = readl(port_array[dev_port_num - 1]);
>>> +
>>> + /* write 1 to clear */
>>> + if (!(status & PORT_CONNECT) && (status & PORT_CSC))
>>> +
Hi Alan:
thanks for comment it,
and sorry that a little bit late for replying,
2015-02-12 23:18 GMT+08:00 Alan Stern :
> On Thu, 12 Feb 2015, Mathias Nyman wrote:
>
>> On 25.01.2015 10:13, Sneeker Yeh wrote:
>> > This issue is defined by a three-way race at disconnect, between
>> > 1) Class drive
hi Mathias:
thanks for reviewing these patch,
and sorry for replying lately~
2015-02-12 21:50 GMT+08:00 Mathias Nyman :
> On 25.01.2015 10:13, Sneeker Yeh wrote:
>> This issue is defined by a three-way race at disconnect, between
>> 1) Class driver interrupt endpoint resheduling attempts if the I
On 25.01.2015 10:13, Sneeker Yeh wrote:
Oh, and one more thing:
>
> +static void xhci_try_to_clear_csc(struct usb_hcd *hcd, int dev_port_num)
> +{
> + int max_ports;
> + struct xhci_hcd *xhci = hcd_to_xhci(hcd);
> + __le32 __iomem **port_array;
> + u32 status;
> +
> + /* pri
On 12.02.2015 17:18, Alan Stern wrote:
> On Thu, 12 Feb 2015, Mathias Nyman wrote:
>
>> On 25.01.2015 10:13, Sneeker Yeh wrote:
>>> This issue is defined by a three-way race at disconnect, between
>>> 1) Class driver interrupt endpoint resheduling attempts if the ISR gave an
>>> ep
>>>error e
On Thu, 12 Feb 2015, Mathias Nyman wrote:
> On 25.01.2015 10:13, Sneeker Yeh wrote:
> > This issue is defined by a three-way race at disconnect, between
> > 1) Class driver interrupt endpoint resheduling attempts if the ISR gave an
> > ep
> >error event due to device detach (it would try 3 ti
On 25.01.2015 10:13, Sneeker Yeh wrote:
> This issue is defined by a three-way race at disconnect, between
> 1) Class driver interrupt endpoint resheduling attempts if the ISR gave an ep
>error event due to device detach (it would try 3 times)
> 2) Disconnect interrupt on PORTSC_CSC, which is c
This issue is defined by a three-way race at disconnect, between
1) Class driver interrupt endpoint resheduling attempts if the ISR gave an ep
error event due to device detach (it would try 3 times)
2) Disconnect interrupt on PORTSC_CSC, which is cleared by hub thread
asynchronously
3) The ha
