From: robin_listas@es.invalid   
      
   On 21/04/2021 11.26, Uwe Bonnes wrote:   
   > Hello,   
   >   
   > the Blackmagic debug probe uses a CDCACM device to provide a gdb   
   > server and flashing access to embedded Cortex devices. For the needed   
   > transaction on JTAG or SWD, a lot of USB transactions are   
   > needed. Read speed from the devices is mostly limited by USB and   
   > SWD/JTAG speed. With the same SWD/JTAG speed settings, reading from   
   > the device on Leap42.3 with KOTD (e.g. 5.12.0-rc8-1) results in only   
   > half the read speed of the current Leap42.3 kernel (5.3.18-lp152.72).   
   >   
   > Do others see USB speed problems with KOTD?   
      
   I would suggest you ask this question on the factory mail list, so that   
   you reach the developers.   
      
   --   
   Cheers, Carlos.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)