Re: [PATCH v3 1/5] xhci: add a quirk for device disconnection errata for Synopsis Designware USB3 core

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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))
>>> +             writel(status & PORT_CSC, port_array[0]);
>>
>> Shouldn't this be writel(...,port_array[dev_port_num - 1]) ?
> 
> yes, thanks for correcting this,
> and I also would like to add xhci_port_state_to_neutral() you mentioned.
> what would you think if I modify it like this?
> 
> +       /* write 1 to clear */
> +       if (!(status & PORT_CONNECT) && (status & PORT_CSC)) {
> +               status = xhci_port_state_to_neutral(status);
> +               writel(status | PORT_CSC, port_array[dev_port_num - 1]);
> +       }
> 

Looks good to me

-Mathias

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