linux-kernel - Re: [PATCH 00/11] omap_hsmmc: voltage switching and tuning

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Message-ID: <55C4C46E.9080200@ti.com>
Date:	Fri, 7 Aug 2015 20:15:02 +0530
From:	Kishon Vijay Abraham I <kishon@...com>
To:	Tony Lindgren <tony@...mide.com>
CC:	<ulf.hansson@...aro.org>, <afenkart@...il.com>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-mmc@...r.kernel.org>, <nsekhar@...com>,
	<mugunthanvnm@...com>
Subject: Re: [PATCH 00/11] omap_hsmmc: voltage switching and tuning

Hi,

On Thursday 06 August 2015 12:18 PM, Tony Lindgren wrote:
> * Kishon Vijay Abraham I <kishon@...com> [150805 08:03]:
>> Hi,
>>
>> On Wednesday 05 August 2015 04:13 PM, Tony Lindgren wrote:
>>> * Kishon Vijay Abraham I <kishon@...com> [150730 00:49]:
>>>> Patch series implements voltage switching and tuning for omap_hsmmc
>>>> driver.
>>>>
>>>> Did basic read/write test in J6, J6 Eco, Beagle-x15, AM437x EVM,
>>>> Beaglebone black, OMAP5 uEVM and OMAP4 PANDA.
>>>
>>> Your tests are missing omap3?
>>
>> I don't have one at my disposal :-( I'll try to find one and add omap3 tests.
> 
> Great :) Beagle xm is a good one to test the USB PHY stuff on
> and also MMC. Having USB cable connected or EHCI loaded blocks the PM
> though, so NFSroot is not very usable for testing on it.

I found a beagle xm. So I should be able to get back to this early next week.

Thanks
Kishon
> 
> If you want to test PM over NFSroot, boards with the smsc911x known
> to work with PM  are at least omap3-evm-37xx.dts and
> logicpd-torpedo-37xx-devkit.dts.  Since you tinker with the USB PHYs,
> torpedo has MUSB working the same way as the beagle boards, EVM I
> think can be modified that way but by default has diffent PHY.
> 
> Also overo tobi boards work with PM but only for retntion idle and
> not off idle, and map3-sbc-t3517.dts probably can be made to work
> with PM but I have mine as a gateway and have not been able to test
> with it.
> 
> Probably also zoom3 boards with later processor boards can be made
> to work, the LDP has early omap34xx variants and can't be made to
> work reliably.
> 
> I don't have omap3-lilly, but I'd assume that can also be made
> to work with PM if not already working.
> 
>>> I suggest you add some omap3 tests in general as otherwise you are
>>> only testing a subset of the driver features and completely missing
>>> things like rutnime PM and save and restore for the deeper idle
>>> states.
>>
>> yeah, I'll do those tests and re-post the series.
> 
> Thanks!
> 
> Tony
> 
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