GPMI iMX6ull timeout on DMA

[Christian Eggers]

On Monday, 4 October 2021, 18:06:20 CEST, Han Xu wrote:
> 
> Could you please try to add clock dis/enable when setting clock rate, in case
> clock glitches.
> 
> clk_disable_unprepare(r->clock[0]);
> clk_set_rate(r->clock[0], hw->clk_rate);
> clk_prepare_enable(r->clock[0]);
> 
This looks promising! Last night I had a successful test run with more than 
600 reboots! The test only stopped because my network was disturbed by the
daily backup run...

I'll do further tests within the next 24 hours.

regards
Christian