1 Nov
2022
1 Nov
'22
9:39 p.m.
Johannes,
On Wed, Oct 26, 2022 at 7:23 PM SCHNEIDER Johannes johannes.schneider@leica-geosystems.com wrote:
Hi
the thing with only checking !TXEMPTY is that it limits the fifo to one byte only; and as far as i understood, drivermodel code is supposed to return immediately and t
Why does it limit the FIFO to one byte only? The FIFO has 32 bytes.
I would like to understand what problem you were trying to solve when you did the change:
- if (!(readl(&uart->ts) & UTS_TXEMPTY)) + if (readl(&uart->ts) & UTS_TXFULL)
Can you share a reproducer?
We need to figure this out soon, as this is causing a regression.