[PATCH 3/3] usb: use ep-specific pwrgood delay

[Eric Bénard]

Hi Steffen,

Le Thu, 30 Aug 2012 15:26:31 +0200,
Steffen Trumtrar <s.trumtrar at pengutronix.de> a écrit :
> Where does your 50ms come from? From the debug messages of the usb-tool?
from a printf of bPwrOn2PwrGood

> It has the same factor of times 2.
yes, so in the end the hub is supposed to need 100ms to enable power.

> Have you tried hardcoding mdelay(100)?
yes -> doesn't work (see previous patch I sent 2 days ago on the same
subject).

> I first thought about doing it the same way linux does it and use
> max(pwrgood, 100). But 100ms minimum wouldn't help you either.
> I don't really like the idea of just guessing a value. But if necessary,
> I'm surely willing to change this patch.

with Linux's 100ms that works fine on the same board (under Linux). So
I'll check the if the mdelay(100) in barebox is really a 100ms timing
because the problem's root may be here !

Eric