On 03/12/16 19:17, Aniroop Mathur wrote: > Since here we are using msleep(1) which is worse as it sleeps for > minimum two jiffies so 20 ms on HZ=100 system and we are doing here > 100 retries if register reading fails. So as you can deduce usleep_range > will serve better here. > Explained originally here why to not use msleep for 1-20ms: > http://lkml.org/lkml/2007/8/3/250 Acked-by: Simon Budig <simon.budig@xxxxxxxxxxxxxxxxx> Bye, Simon -- kernel concepts GmbH Simon Budig Sieghuetter Hauptweg 48 simon.budig@xxxxxxxxxxxxxxxxx D-57072 Siegen +49-271-771091-17 http://www.kernelconcepts.de/ HR Siegen, HR B 9613; Geschäftsführer: Nils Faerber, Ole Reinhardt
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