nuttxs commented on PR #15904:
URL: https://github.com/apache/nuttx/pull/15904#issuecomment-2683736759

   > 
https://github.com/apache/nuttx/blob/03e8152cae1499f7540a4c10eb155ba6c3cd345e/arch/xtensa/src/esp32/esp32_spi.c#L948-L951
   > 
   > Just a minor comment: We seem to have a few variations of the Empty While 
Loop, wonder if we might wanna use the existing variations instead? Thanks :-) 
https://github.com/search?q=repo%3Aapache%2Fnuttx%20while%20((getreg32&type=code
   
   This is implemented in a similar way to the wait loop in the current ESP32 
SPI driver code. For reference, see the following:
   
https://github.com/apache/nuttx/blob/master/arch/xtensa/src/esp32/esp32_spi.c#L1008L1011
   
https://github.com/apache/nuttx/blob/master/arch/xtensa/src/esp32/esp32_spi.c#L1133L1137


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