Hi Wolfram, On Tue, Nov 14, 2017 at 11:55 PM, Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> wrote: > Documentation/timers/timers-howto.txt recommends to use usleep_range for > delays 1-20ms. Let's adhere to it. No need for messing with HZ and still > do busy looping these days. > > Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > --- > > Here is a more detailed test page for this describing my tests: > > https://elinux.org/Tests:mmc-delay-refactor > > I did mainly test the insert/eject cycle because powering up the cards > seemed to trigger most delays. Transferring data did not cause any calls > to mmc_delay() for me. Please let me know if someone knows a test pattern > which should be included before applying this change. JFTR, with CONFIG_DEBUG_ATOMIC_SLEEP=y, I assume ? (also for the other patch) Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
