Hi,
>
>Peter Chen <peter.chen@xxxxxxx> writes:
>> From: Pawel Laszczak <pawell@xxxxxxxxxxx>
>>
>> Patch fixes issue caused setting On-chip memory overflow bit in usb_sts
>> register. The issue occurred because EP_CFG register was set twice
>> before USB_STS.CFGSTS was set. Every write operation on EP_CFG.BUFFERING
>> causes that controller increases internal counter holding the number
>> of reserved on-chip buffers. First time this register was updated in
>> function cdns3_ep_config before delegating SET_CONFIGURATION request
>> to class driver and again it was updated when class wanted to enable
>> endpoint. This patch fixes this issue by configuring endpoints
>> enabled by class driver in cdns3_gadget_ep_enable and others just
>> before status stage.
>>
>> Cc: <stable@xxxxxxxxxxxxxxx> #v5.8+
>> Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
>> Reported-and-tested-by: Peter Chen <peter.chen@xxxxxxx>
>> Signed-off-by: Pawel Laszczak <pawell@xxxxxxxxxxx>
>> Signed-off-by: Peter Chen <peter.chen@xxxxxxx>
>
>comment from previous thread is still valid. Far too extensive change to
>qualify for stable or -rc. Sure there isn't a minimal patch possible?
>
I think that it's the only way to fix this issue. This fix require to displacement
of code fragments and it's the reason why this patch is such extensive.
Regards,
Pawel
