On Thu, Dec 08, 2016 at 11:20:50AM +0100, Uwe Kleine-König wrote: > This looks nicer and reduces the time to transfer 40 MB at 50 MHz from > 203 seconds to 87 seconds. > > Signed-off-by: Uwe Kleine-König <u.kleine-koenig@xxxxxxxxxxxxxx> > --- > Side note: > > When using > > while(!(readl(p->base + SPI_IF_CTRL) & IF_READ_READY)) > ; > return 0; > > instead, the time goes down to 24 seconds. Have you tried how many loop iterations it takes to complete? Maybe it's worth it to try a few times and only after that start a real timeout loop. Sascha -- Pengutronix e.K. | | Industrial Linux Solutions | http://www.pengutronix.de/ | Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 | Amtsgericht Hildesheim, HRA 2686 | Fax: +49-5121-206917-5555 | _______________________________________________ barebox mailing list barebox@xxxxxxxxxxxxxxxxxxx http://lists.infradead.org/mailman/listinfo/barebox
