Re: [PATCH i2c-next v6] i2c: aspeed: Handle master/slave combined irq events properly

From: CÃdric Le Goater
Date: Fri Sep 14 2018 - 02:16:01 EST


>>> That seems to suggest that none of the status bits auto-clears, and that
>>> the above code clearing intr_status should be removed entirely.
>>> Am I missing something ?
>>
>> You are right. I just pushed another version of the previous patch with this
>> new hunk :
>>
>> @@ -188,7 +200,6 @@ static void aspeed_i2c_bus_handle_cmd(As
>> Â {
>> ÂÂÂÂÂ bus->cmd &= ~0xFFFF;
>> ÂÂÂÂÂ bus->cmd |= value & 0xFFFF;
>> -ÂÂÂ bus->intr_status = 0;
>> Â ÂÂÂÂÂ if (bus->cmd & I2CD_M_START_CMD) {
>> ÂÂÂÂÂÂÂÂÂ uint8_t state = aspeed_i2c_get_state(bus) & I2CD_MACTIVE ?
>>
>>
>> The QEMU palmetto and witherspoon machines seem to behave fine. Can you give
>> it a try ?
>>
>
> Works fine for me for all affected qemu platforms.
>
> How do you want to proceed with the qemu patches ? I attached my patches
> for reference. Maybe you can add them to your tree if they are ok and submit
> the entire series together to the qemu mailing list ?

yes. They are pushed in my aspeed-3.1 branch. I will send the series
on the list.

Thanks,

C.