From: Sekhar Nori <nsekhar@ti.com>
To: David Lechner <david@lechnology.com>,
Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>,
<khilman@kernel.org>
Cc: <petr@barix.com>, Rob Herring <robh+dt@kernel.org>,
Pawel Moll <pawel.moll@arm.com>,
Mark Rutland <mark.rutland@arm.com>,
Ian Campbell <ijc+devicetree@hellion.org.uk>,
Kumar Gala <galak@codeaurora.org>,
Kishon Vijay Abraham I <kishon@ti.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Alan Stern <stern@rowland.harvard.edu>, Bin Liu <b-liu@ti.com>,
Lee Jones <lee.jones@linaro.org>, <devicetree@vger.kernel.org>,
<linux-kernel@vger.kernel.org>, <linux-usb@vger.kernel.org>
Subject: Re: [PATCH v5 2/5] ARM: davinci: da8xx: Add CFGCHIP syscon platform declaration.
Date: Fri, 24 Jun 2016 11:45:05 +0530 [thread overview]
Message-ID: <576CCFE9.7020005@ti.com> (raw)
In-Reply-To: <576AC5CD.2010107@lechnology.com>
On Wednesday 22 June 2016 10:37 PM, David Lechner wrote:
> On 05/25/2016 06:15 AM, Sekhar Nori wrote:
>> On Tuesday 10 May 2016 10:14 PM, David Lechner wrote:
>>> On 05/10/2016 06:26 AM, Sergei Shtylyov wrote:
>>>> On 5/10/2016 2:46 AM, David Lechner wrote:
[...]
>>>>> +static struct platform_device da8xx_cfgchip_device = {
>>>>> + .name = "syscon",
>>>>> + .id = 0,
>>>>
>>>> Again, -1.
>>>>
>>>> [...]
>>>>
>>>> MBR, Sergei
>>>>
>>>
>>> I wish you would have noticed this when I first submitted it. I remember
>>> going back and forth about this. But it has been too long and I can't
>>> remember the reason why I chose to go this way.
>>>
>>> It seems like changing it broke something with either this one or the
>>> phy device and I opted to keep it this way on both to be consistent. For
>>> example, the USB devices both use id = 0 as well even though there are
>>> only one of each type.
>>
>> Agree with Sergei here. Can you confirm what broke exactly? I think the
>> USB needs to be fixed too.
>>
>> Thanks,
>> Sekhar
>>
>
> I have made the changes from id = 0 to id = -1. I'm not sure what broke
> before, but it is working now.
Thanks!
>
> Re: USB needing fixed, I'm not sure how to do this and I won't have time
> for at least the next 2 or 3 months to do anything about it. The problem
> is that the MUSB can't detect the ID pin. As a workaround, it is
> detecting the VBUS state and using that to determine the ID pin state.
> So, when you attach a self-powered device, it tells the VBUS to turn
> off, which in turn triggers the workaround to say that the ID pin has
> changed state.
I seem to be missing the original problem report. Can you provide a link
to the discussion?
Thanks,
Sekhar
next prev parent reply other threads:[~2016-06-24 6:16 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 23:46 [PATCH v5 0/5] da8xx USB PHY platform devices and clocks (was "da8xx UBS clocks") David Lechner
2016-05-09 23:46 ` [PATCH v5 1/5] ARM: davinci: da8xx: add usb phy clocks David Lechner
2016-05-09 23:46 ` [PATCH v5 2/5] ARM: davinci: da8xx: Add CFGCHIP syscon platform declaration David Lechner
2016-05-10 11:26 ` Sergei Shtylyov
2016-05-10 16:44 ` David Lechner
2016-05-25 11:15 ` Sekhar Nori
2016-06-22 17:03 ` David Lechner
2016-06-22 17:07 ` David Lechner
2016-06-24 6:15 ` Sekhar Nori [this message]
2016-06-24 16:00 ` David Lechner
2016-05-09 23:46 ` [PATCH v5 3/5] ARM: davinci: da8xx: Add USB PHY " David Lechner
2016-05-10 11:24 ` Sergei Shtylyov
2016-06-22 17:08 ` David Lechner
2016-05-09 23:46 ` [PATCH v5 4/5] ARM: DTS: da850: Add cfgchip syscon node David Lechner
2016-05-09 23:46 ` [PATCH v5 5/5] ARM: DTS: da850: Add usb phy node David Lechner
2016-05-23 15:14 ` [PATCH v5 0/5] da8xx USB PHY platform devices and clocks (was "da8xx UBS clocks") David Lechner
2016-05-25 11:18 ` Sekhar Nori
2016-08-12 21:24 ` Kevin Hilman
2016-08-17 9:35 ` Kishon Vijay Abraham I
2016-08-19 16:40 ` Kevin Hilman
2016-08-19 16:50 ` David Lechner
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