linux-kernel - RE: [PATCH v1 0/2] Fix the wrong order of phy callbacks

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Message-ID: <AS8PR04MB86767CFA73F8C639EDD16A298C799@AS8PR04MB8676.eurprd04.prod.outlook.com>
Date:   Tue, 30 Aug 2022 03:47:42 +0000
From:   Hongxing Zhu <hongxing.zhu@....com>
To:     Ahmad Fatoum <a.fatoum@...gutronix.de>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Marcel Ziswiler <marcel.ziswiler@...adex.com>,
        "kishon@...com" <kishon@...com>
CC:     "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v1 0/2] Fix the wrong order of phy callbacks


> -----Original Message-----
> From: Ahmad Fatoum <a.fatoum@...gutronix.de>
> Sent: 2022年8月29日 14:34
> To: Hongxing Zhu <hongxing.zhu@....com>; l.stach@...gutronix.de;
> bhelgaas@...gle.com; lorenzo.pieralisi@....com; vkoul@...nel.org; Marcel
> Ziswiler <marcel.ziswiler@...adex.com>; kishon@...com
> Cc: linux-pci@...r.kernel.org; linux-kernel@...r.kernel.org; dl-linux-imx
> <linux-imx@....com>; kernel@...gutronix.de; linux-phy@...ts.infradead.org;
> linux-arm-kernel@...ts.infradead.org
> Subject: Re: [PATCH v1 0/2] Fix the wrong order of phy callbacks
> 
> Hi,
> 
> On 22.08.22 15:10, Richard Zhu wrote:
> > Refer [1], phy_init() must be called before phy_power_on().
> > This series used to fix the wrong order of the phy_init() and
> > phy_power_on(), introduced by commit 1aa97b002258 ("phy: freescale:
> > pcie: Initialize the imx8 pcie standalone phy driver") Tested on i.MX8MM EVK
> board when one NVME device is used.
> >
> > [1]https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fg
> >
> it.kernel.org%2Fpub%2Fscm%2Flinux%2Fkernel%2Fgit%2Ftorvalds%2Flinux.gi
> >
> t%2Ftree%2Fdrivers%2Fphy%2Fphy-core.c%3Fid%3Dv5.19-rc1%23n233&amp;
> data
> >
> =05%7C01%7Chongxing.zhu%40nxp.com%7C327761bac5b9407d977008da89
> 886b15%7
> >
> C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63797351625465698
> 5%7CUnkno
> >
> wn%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1ha
> WwiL
> >
> CJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=6SnkRdLAX2tLp1iGgE78d
> JAm%2BLOf
> > LLpANfR1e4xIYFY%3D&amp;reserved=0
> >
> > [PATCH v1 1/2] PCI: imx6: Fix the wrong order of phy_init() and [PATCH
> > v1 2/2] phy: freescale: imx8m-pcie: Fix the wrong order of
> 
> This introduces an intermittent breakage. Can you squash?

Hi Ahmad:
Thanks for your comments.
Do you mean to squash this fix to the preview series?
I'm afraid that it's not easy to do that.
Because there are a lot of pci-imx6 code changes after 
commit: 1aa97b002258 ("phy: freescale: pcie: Initialize the imx8 pcie standalone phy driver").

Best Regards
Richard Zhu
> 
> >
> >
> 
> 
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