[U-Boot] [PATCH 1/4] usb: ohci: Do not reuse ed for interrupt endpoints of different devices

[Marek Vasut]

On Monday, May 11, 2015 at 09:08:06 PM, Hans de Goede wrote:
> When submitting interrupt packets to an endpoint we only link in the ed
> once to avoid some races surrounding unlinking of periodic endpoints,
> but we share one ohci_device struct / one set of ed-s for all devices,
> which means that if we have an interrupt endpoint at endpoint 1 with one
> device, and a non interrupt endpoint 1 with another device we end up
> with the same ed linked into both the periodic and async lists, which is
> not good (tm).
> 
> This commit switches over to using separate ohci_device structs, and thus
> separate ed-s for devices with interrupt endpoints, fixing this.
> 
> This fixes e.g. matching a usb storage device and keyboard on the same
> usb-1 hub not working.
> 
> Signed-off-by: Hans de Goede <hdegoede at redhat.com>

Reviewed-by: Marek Vasut <marex at denx.de>

Best regards,
Marek Vasut