From: John Youn <John.Youn-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
To: Rob Herring <robh-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
John Youn <John.Youn-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
Cc: Felipe Balbi <balbi-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
"linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<linux-usb-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>
Subject: Re: [PATCH v2 05/30] usb: dwc2: Add bindings to disable gadget DMA modes
Date: Mon, 14 Nov 2016 17:26:57 -0800 [thread overview]
Message-ID: <0d324fc7-88ed-7cd1-38f6-91d4fe33eca8@synopsys.com> (raw)
In-Reply-To: <20161115011110.b32eljlv42mhbocr@rob-hp-laptop>
On 11/14/2016 5:11 PM, Rob Herring wrote:
> On Wed, Nov 09, 2016 at 07:27:50PM -0800, John Youn wrote:
>> Now that the gadget driver automatically detects DMA modes, we need to
>> provide a way to disable them. Certain platforms may still have issues
>> with DMA and require it to be disabled. It is also needed for IP
>> validation purposes.
>
> I don't think IP validation is reason enough for these properties. If
> there is IP that is broken and lies about it, then yes we should have
> these.
>
> Rob
>
Ok. Mark said basically the same thing in a previous thread that lead
to this patch.
Until they are needed by hardware, I'll remove these bindings.
Regards,
John
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prev parent reply other threads:[~2016-11-15 1:26 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-11-10 3:27 [PATCH v2 00/30] usb: dwc2: Gadget descriptor DMA and IOT John Youn
[not found] ` <cover.1478748145.git.johnyoun-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-10 3:27 ` [PATCH v2 01/30] usb: dwc2: Deprecate g-use-dma binding John Youn
[not found] ` <966d342a5a7fee9ac3ef8140b60c228c4a87c7d3.1478748145.git.johnyoun-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-15 0:05 ` Rob Herring
2016-11-10 3:27 ` John Youn
2016-11-10 3:27 ` [PATCH v2 05/30] usb: dwc2: Add bindings to disable gadget DMA modes John Youn
2016-11-10 3:27 ` John Youn
[not found] ` <16733114b9252b8163c11cc7ca95b2b152b66e0e.1478748145.git.johnyoun-HKixBCOQz3hWk0Htik3J/w@public.gmane.org>
2016-11-15 1:11 ` Rob Herring
2016-11-15 1:26 ` John Youn [this message]
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