Re: [PATCH] serial: 8250: 8250_omap: Fix possible interrupt storm

[Vignesh Raghavendra]

On 6/22/21 11:45 AM, Jan Kiszka wrote:
>>> Vignesh, it seems this quirk needs some soc specific flag added to
>>> it maybe? Or maybe UART_OMAP_RX_LVL register is not available for
>>> all the SoCs?
>>>
>> Yes indeed :(
>>
>>> I think it's best to drop this patch until the issues are resolved,
>>> also there are some open comments above that might be answered by
>>> limiting this quirk to a specific range of SoCs :)
>>>
>> Oops, I did test patch AM33xx assuming its equivalent to OMAP3, but UART
>> IP is quite different. I will respin the patch making sure, workaround
>> applies only to AM65x and K3 SoCs.
>>
>> Regards
>> Vignesh
>>
> What's the status here for AM65x? The issue remains present on that
> platform, and I was hoping to see a quick follow up that limit the fix
> to that target.
> 

Sorry for the delay, I am trying to find which other TI SoCs are
affected by this issue. But that exercise will need a bit more time.
Will send a fix to address K3 SoCs like AM65x today/tomo.