linux-kernel - Re: [PATCH] ARM: dts: odroidxu3: Enable USB3 regulators

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Message-ID: <CANAwSgTk=YwH23F4981j6z9m4+=_Yrratz6BRSQU7PmPHGT0Bg@mail.gmail.com>
Date:	Sat, 30 May 2015 19:23:24 +0530
From:	Anand Moon <linux.amoon@...il.com>
To:	Krzysztof Kozlowski <k.kozlowski@...sung.com>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Russell King <linux@....linux.org.uk>,
	Kukjin Kim <kgene@...nel.org>, devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	"linux-samsung-soc@...r.kernel.org" 
	<linux-samsung-soc@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: odroidxu3: Enable USB3 regulators

On 28 May 2015 at 14:49, Krzysztof Kozlowski <k.kozlowski@...sung.com> wrote:
> On 28.05.2015 17:58, Anand Moon wrote:
>> Enable regulator for usbdrd3_0 and usbdrd3_1
>>>>From the schematic pin diagram USB3_0 and USB3_1
>> is regulated by LDO9 and LD011.
>
> Please reformat statement above to proper sentence(s) without ">" before
> "From".
>
>>
>> Fix the boot message of failed.
>> [    3.503539] exynos-dwc3 usb@...00000: Looking up vdd33-supply from device tree
>> [    3.503556] exynos-dwc3 usb@...00000: Looking up vdd33-supply property in node /usb@...00000 failed
>> [    3.503568] usb@...00000 supply vdd33 not found, using dummy regulator
>> [    3.509154] exynos-dwc3 usb@...00000: Looking up vdd10-supply from device tree
>> [    3.509170] exynos-dwc3 usb@...00000: Looking up vdd10-supply property in node /usb@...00000 failed
>> [    3.509181] usb@...00000 supply vdd10 not found, using dummy regulator
>> [    3.917548] exynos-dwc3 usb@...00000: Looking up vdd33-supply from device tree
>> [    3.917565] exynos-dwc3 usb@...00000: Looking up vdd33-supply property in node /usb@...00000 failed
>> [    3.917578] usb@...00000 supply vdd33 not found, using dummy regulator
>> [    3.922731] exynos-dwc3 usb@...00000: Looking up vdd10-supply from device tree
>> [    3.922747] exynos-dwc3 usb@...00000: Looking up vdd10-supply property in node /usb@...00000 failed
>>
>> ---
>> This patch is based on Krzysztof github branch work-next/odroid-xu3-s2mps11-irq
>> ---
>
> I mentioned this already on previous postings. Let's make an exercise.
> Please:
> 1. Save your email as mbox format (from mailer).
> 2. Go to a GIT repo with kernel and checkout base branch.
> 3. git am 0001-the-name-of-file.mbox
> 4. git show
>
> Do you see the signed-off-by in commit?
>
> The patch itself looks good, thanks for fixing this. Just please fix the
> issues with commit message.
>
> By the way:
> 1. The always-on from LDO9 could be probably removed if the ehci-exynos
> driver had regulator consumer implemented.
> 2. The Documentation/devicetree/bindings/usb/exynos-usb.txt (or dwc.txt)
> should proably mention the vdd-supply property.

Hi Krzysztof,

https://patchwork.kernel.org/patch/4420061/
https://patchwork.kernel.org/patch/4420071/

These patch are missing for this changes to make it work correctly.

Can you share you thought on this.

-Anand Moon

> Best regards,
> Krzysztof
>
>
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