[RESEND PATCH 3/4] usb: dwc2: assert phy reset when waking up in rk3288 platform
John.Youn at synopsys.com
Mon Aug 29 11:24:49 PDT 2016
On 8/29/2016 12:51 AM, Felipe Balbi wrote:
> John Youn <John.Youn at synopsys.com> writes:
>>>>> + */
>>>>> + if (of_device_is_compatible(np, "rockchip,rk3288-usb"))
>>>>> + hsotg->phy->ops->reset(hsotg->phy);
>>>> You should probably check for NULL before calling the reset()
>>>> Also, I'd rather see a generic quirk property that you set for your
>>>> Something like "phy_reset_on_wakeup_quirk".
>>> But Rob Herring want me to implied by the SoC specific compatible
>>> string. I agree with him. It is certainly bug in RK3288 platform.
>>> It is no found no the other platform.
>> Ok, I missed that before.
>> Based on the drivers I'm familiar with (like dwc3), you would
>> typically add a "quirk" anyways.
>> Do you have some policy or preference on this?
> if it's not a dwc2-generic feature, then let's do it via compatible
> flag, sure. What we don't want is for things like:
> if (is_compatible('synopsys') || is_compatible('rockchip') ||
> is_compatible('foobar') ... )
> For that, we'd be better of adding a generic quirk flag which several
> can use.
Alright sounds reasonable.
Randy, could you respin with the other feedback? There's no need to
add a quirk.
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