linux-kernel - Re: [RESEND] PCI: imx: Initial imx7d pm support

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Message-ID: <20180828145511.GA32352@e107981-ln.cambridge.arm.com>
Date:   Tue, 28 Aug 2018 15:55:11 +0100
From:   Lorenzo Pieralisi <lorenzo.pieralisi@....com>
To:     Leonard Crestez <leonard.crestez@....com>
Cc:     Richard Zhu <hongxing.zhu@....com>,
        "A.s. Dong" <aisheng.dong@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "jingoohan1@...il.com" <jingoohan1@...il.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        Fabio Estevam <fabio.estevam@....com>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        "Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
        "andrew.smirnov@...il.com" <andrew.smirnov@...il.com>,
        Anson Huang <anson.huang@....com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>
Subject: Re: [RESEND] PCI: imx: Initial imx7d pm support

On Tue, Aug 28, 2018 at 01:00:02PM +0000, Leonard Crestez wrote:
> On Tue, 2018-08-28 at 11:07 +0100, Lorenzo Pieralisi wrote:
> > On Mon, Aug 27, 2018 at 02:28:37PM +0300, Leonard Crestez wrote:
> > > On imx7d the pcie-phy power domain is turned off in suspend and this can
> > > make the system hang after resume when attempting any read from PCI.
> > > 
> > > Fix this by adding minimal suspend/resume code from the nxp internal
> > > tree. This will prepare for powering down on suspend and reset the block
> > > on resume.
> > > 
> > > Code is only for imx7d but a very similar sequence can be used for
> > > other socs.
> > > 
> > > The original author is mostly Richard Zhu <hongxing.zhu@....com>, this
> > > patch adjusts the code to the upstream imx7d implemention using reset
> > > controls and power domains.
> > 
> > I will add a Suggested-by: replacing this paragraph, it is always better
> > to add proper tags rather than credit hidden in commit logs messages.
> 
> Isn't "Originally-by:" a better tag for this?

We can add that, yes or add Richard as patch author, as you prefer to
give him credit.

Lorenzo