On Thu, Jan 18, 2024 at 08:30:39AM +0000, Tudor Ambarus wrote: > On 1/12/24 18:37, Mark Brown wrote: > >> [ 6748.913400] spi-loopback-test spi13.0: elapsed time 532837 ns is > >> shorter than minimum estimated time 82240000 ns > > That's a *very* substantial error, it makes me suspect that the hardware > > might be doing loopback at a stage before it actually clocks the bus and > > doing something like just connecting the TX and RX FIFOs. > Thanks, Mark! It was a problem on how the clocks were handled, I ended > up with a higher frequency than I requested. Ouch, hopefully that's only affecting loopback mode and not normal operation for everyone.
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