linux-kernel - Re: [PATCH 2/2] Synopsys USB 2.0 Device Controller (UDC) Driver

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Message-ID: <7de6b970-c88c-b277-eaae-d9c0067b590f@synopsys.com>
Date:   Wed, 30 Nov 2016 16:54:45 -0800
From:   John Youn <John.Youn@...opsys.com>
To:     Felipe Balbi <balbi@...nel.org>,
        Raviteja Garimella <raviteja.garimella@...adcom.com>
CC:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        "BCM Kernel Feedback" <bcm-kernel-feedback-list@...adcom.com>,
        <linux-usb@...r.kernel.org>, John Youn <John.Youn@...opsys.com>
Subject: Re: [PATCH 2/2] Synopsys USB 2.0 Device Controller (UDC) Driver

On 11/30/2016 4:47 AM, Felipe Balbi wrote:
> 
> Hi,
> 
> Raviteja Garimella <raviteja.garimella@...adcom.com> writes:
>> Hi Balbi,
>>
>> On Wed, Nov 30, 2016 at 4:10 PM, Felipe Balbi <balbi@...nel.org> wrote:
>>>
>>> Hi,
>>>
>>> Raviteja Garimella <raviteja.garimella@...adcom.com> writes:
>>>> This is driver for Synopsys Designware Cores USB Device
>>>> Controller (UDC) Subsystem with the AMBA Advanced High-Performance
>>>> Bus (AHB). This driver works with Synopsys UDC20 products.
>>>>
>>>> Signed-off-by: Raviteja Garimella <raviteja.garimella@...adcom.com>
>>>
>>> use drivers/usb/dwc2 instead of duplicating it.
>>
>> The ones we have in drivers/usb/dwc2 is for Designware high speed OTG
>> controller IP. The one that I submitted for review is for USB Device
>> controller IP (UDC). The IPs are different.
> 
> I'll wait for John's confirmation that this really isn't compatible with
> dwc2. John?
> 

Hi Felipe,

This is our older UDC IP, not compatible with HSOTG.

It is also no longer supported by Synopsys and considered EOL.

Regards,
John