On 09/13/2018 10:38 PM, Cédric Le Goater wrote:
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
   {
       bus->cmd &= ~0xFFFF;
       bus->cmd |= value & 0xFFFF;
-    bus->intr_status = 0;
         if (bus->cmd & I2CD_M_START_CMD) {
           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.


Excellent. Thanks a lot!

Guenter

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