linux-kernel - Re: [PATCH v3 0/2] PCI: imx: Initial imx7d pm support

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Date:   Tue, 21 Aug 2018 23:26:44 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     Leonard Crestez <leonard.crestez@....com>,
        "p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Richard Zhu <hongxing.zhu@....com>,
        "jingoohan1@...il.com" <jingoohan1@...il.com>,
        "A.s. Dong" <aisheng.dong@....com>,
        Fabio Estevam <fabio.estevam@....com>,
        "Joao.Pinto@...opsys.com" <Joao.Pinto@...opsys.com>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "andrew.smirnov@...il.com" <andrew.smirnov@...il.com>,
        Anson Huang <anson.huang@....com>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>
Subject: Re: [PATCH v3 0/2] PCI: imx: Initial imx7d pm support

On Fri, Aug 10, 2018 at 04:13:41PM +0100, Lorenzo Pieralisi wrote:
> On Fri, Aug 10, 2018 at 11:11:55AM +0000, Leonard Crestez wrote:
> 
> [...]
> 
> > This needs further clarification: without the reset patch this will
> > hang on imx7 suspend/resume but this is the current behavior anyway.
> > 
> > Both patches are required for imx7 pci suspend and including them out
> > of order shouldn't break unrelated functionality.
> > 
> > So it should actually be fine to just include the pci changes now,
> > right?
> 
> It is a bit late for v4.19 but before considering that, this series
> is actually a set of fixes, correct ? If that's the case I think
> Shawn can send them upstream for a v4.19-rc*, I can ACK them if that
> sounds reasonable.
> 
> Patch (2) subject must make clear you are actually fixing a problem if
> we choose this course of action.

This is something never worked before, so it's a new feature to me.
That said, I'm not in the position to send the PCI patch for 4.19-rc as
a fix though IMX (arm-soc) tree.

I will send the DTS patch for 4.19-rc inclusion though, since that's
indeed a fix.

Shawn