On Tue, May 22, 2018 at 02:24:20PM +0200, Marek Vasut wrote: > The data link active signal usually takes ~20 uSec to be asserted, > poll the bit more often to avoid useless delays in this function. > Use udelay() instead of usleep() for such a small delay as suggested > by the timer documentation and because this will be used in atomic > context later on when the suspend/resume patches land. > > Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxx> > Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > Cc: Phil Edworthy <phil.edworthy@xxxxxxxxxxx> > Cc: Simon Horman <horms+renesas@xxxxxxxxxxxx> > Cc: Wolfram Sang <wsa@xxxxxxxxxxxxx> > Cc: linux-renesas-soc@xxxxxxxxxxxxxxx Reviewed-by: Simon Horman <horms+renesas@xxxxxxxxxxxx>