[OpenWrt-Devel] [PATCH]ramips: Add Ralink RT3XXX USB OHCI driver

Roman Yeryomin leroi.lists at gmail.com
Thu Jul 24 08:08:38 EDT 2014

On 20 July 2014 12:48, Roman Yeryomin <leroi.lists at gmail.com> wrote:
> On 20 July 2014 12:15, John Crispin <john at phrozen.org> wrote:
>> On 20/07/2014 10:36, 郭传鈜 wrote:
>>> I think I should reply to the mail list right ... I can't use my
>>> USB Modem with "ohci-platform" in current kernel…only "USB is
>>> connected(disconnected)"in kernel log and no /dev/ttyUSB is added…
>>> So I tried to use the driver from Ralink and my modem works well
>>> after I added this. EHCI driver works well so I did nothing with
>>> it.
>> Hi Roman,
>> do you have this board ? could you see if it also fails for you ? i
>> don't actually have any mt7620n hw with usb exported i think...
> I remember using ohci/ehci drivers for mt7620n boards (because otg
> driver didn't work at all) but not sure if I tried any usb 1.1
> devices.
> Unfortunately I can't test it right now, maybe 2-3 days later.

I can confirm ohci driver is not functional in latest trunk and this
patch enables it.
Tested on Asus RT-N14U.
- the patch doesn't apply cleanly
- kernel config should be revised (I see non usb changes and no
changes for mt7620n)
- the patch itself is pretty dirty to my eye

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