On Tue, Apr 28, 2015 at 12:51:49PM +0200, Steffen Trumtrar wrote: > USB requests should be processed within a timeframe of 5s. > The linux kernel also uses this timeout value for the control packets. > > For the musb the increase in timeout helps successfully probing USB devices > (at least on one test hardware), but on the other hand doesn't slow down the > system, if there are no devices, i.e. the timeout never hits. That means, > that the USB core correctly aborts instead of timing out. > Why and how the 100ms was chosen in the first place, can not be deduced from > the git history, just that it seems to work fine for most boards. > > Change USB_CNTL_TIMEOUT to 5000ms and replace all occurences of > `USB_CNTL_TIMEOUT * x` > with just > `USB_CNTL_TIMEOUT`, > as the timeout is now large enough without it. > > Signed-off-by: Steffen Trumtrar <s.trumtrar@xxxxxxxxxxxxxx> > --- > drivers/usb/core/usb.c | 4 ++-- > include/usb/usb.h | 2 +- > 2 files changed, 3 insertions(+), 3 deletions(-) Applied, thanks 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
