linux-kernel - Re: [PATCH 0/8] Armada 38x SDHCI driver improvements

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Message-ID: <CAPv3WKcFDVwdnBbTAbV2FGQu5s+WbLmM7s98mAJQc8hpUhW+9w@mail.gmail.com>
Date:	Tue, 6 Oct 2015 17:48:42 +0200
From:	Marcin Wojtas <mw@...ihalf.com>
To:	Gregory CLEMENT <gregory.clement@...e-electrons.com>
Cc:	linux-kernel@...r.kernel.org,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mmc@...r.kernel.org" <linux-mmc@...r.kernel.org>,
	Ulf Hansson <ulf.hansson@...aro.org>,
	Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
	Andrew Lunn <andrew@...n.ch>,
	Jason Cooper <jason@...edaemon.net>,
	Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
	nadavh@...vell.com, Lior Amsalem <alior@...vell.com>,
	Tawfik Bayouk <tawfik@...vell.com>,
	Grzegorz Jaszczyk <jaz@...ihalf.com>
Subject: Re: [PATCH 0/8] Armada 38x SDHCI driver improvements

Gregory,

>
> Thanks for this series, it looks good I have only one or two comments.
>
> I also want to test it, how do you test the resume?
> using standby or suspend to ram (by hacking the kernel as currently we
> disbaled it) ?
>

Standby works even without the patch, as the registers' contents do
not disappear. I added rejected s2ram support on top of 4.3-rc4 and
used it. Today however I changed my card to another one and got -110
error (timeout) - I have to re-check it. Anyway the patch is needed
for sure, because without MBUS window configuration any access to the
card ends up with a kernel hang.

Best regards,
Marcin
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