On Wed, 2014-08-27 at 04:08 +0200, Andreas Färber wrote: > Hi, > > Am 26.08.2014 09:30, schrieb Sjoerd Simons: > > I suspect other boards base using exynos5420/5800 might need the similar fixes > > (Arndale Octa and Samsung SMDK5420) to their dts files, so would be great if > > folks with those board could verify this. > > usbdrd_dwc3_1 is indeed required for the Arndale Octa. Not sure about 0. > > I tested my attaching a USB 3.0 disk - is there an easier way to tell? That seems to be the easiest way to tell. In my testing when things broke no USB host functionality would work, so USB 3 isn't a requirement. You can also build with USB_DWC3_DEBUG enabled and check the mode file it generates in debugfs to see & set the controller mode to see how it gets setup by default and change the mode without rebuilding the dts. From looking at the board on the arndaleboard wiki[0], it looks like it has one USB 3 host (which i guess is usbdrd_dwc3_1?) and a USB 2 OTG port which might be usbdrd_dwc3_0 (in which case the default setting for otg is correct). 0: http://www.arndaleboard.org/wiki/index.php/O_WiKi#Detail_of_Arndale_Board -- Sjoerd Simons <sjoerd.simons@xxxxxxxxxxxxxxx> Collabora Ltd.
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