linux-kernel - Re: [PATCH v3 1/6] reset: imx7: Add the iMX8MP PCIe PHY PERST support

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Message-ID: <Ywx0WorLvPrXGVt9@lpieralisi>
Date:   Mon, 29 Aug 2022 10:10:02 +0200
From:   Lorenzo Pieralisi <lpieralisi@...nel.org>
To:     Hongxing Zhu <hongxing.zhu@....com>
Cc:     Philipp Zabel <p.zabel@...gutronix.de>,
        "l.stach@...gutronix.de" <l.stach@...gutronix.de>,
        "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "lorenzo.pieralisi@....com" <lorenzo.pieralisi@....com>,
        "robh@...nel.org" <robh@...nel.org>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        "alexander.stein@...tq-group.com" <alexander.stein@...tq-group.com>,
        "marex@...x.de" <marex@...x.de>,
        "linux-phy@...ts.infradead.org" <linux-phy@...ts.infradead.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "kernel@...gutronix.de" <kernel@...gutronix.de>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH v3 1/6] reset: imx7: Add the iMX8MP PCIe PHY PERST support

On Thu, Aug 18, 2022 at 10:53:24AM +0000, Hongxing Zhu wrote:
> > -----Original Message-----
> > From: Philipp Zabel <p.zabel@...gutronix.de>
> > Sent: 2022年8月18日 16:51
> > To: Hongxing Zhu <hongxing.zhu@....com>; l.stach@...gutronix.de;
> > bhelgaas@...gle.com; lorenzo.pieralisi@....com; robh@...nel.org;
> > shawnguo@...nel.org; vkoul@...nel.org; alexander.stein@...tq-group.com;
> > marex@...x.de
> > Cc: linux-phy@...ts.infradead.org; devicetree@...r.kernel.org;
> > linux-pci@...r.kernel.org; linux-arm-kernel@...ts.infradead.org;
> > linux-kernel@...r.kernel.org; kernel@...gutronix.de; dl-linux-imx
> > <linux-imx@....com>
> > Subject: Re: [PATCH v3 1/6] reset: imx7: Add the iMX8MP PCIe PHY PERST
> > support
> > 
> > Hi Richard,
> > 
> > On Do, 2022-08-18 at 15:02 +0800, Richard Zhu wrote:
> > > On i.MX7/iMX8MM/iMX8MQ, the initialized default value of PERST
> > > bit(BIT3) of SRC_PCIEPHY_RCR is 1b'1.
> > > But i.MX8MP has one inversed default value 1b'0 of PERST bit.
> > >
> > > And the PERST bit should be kept 1b'1 after power and clocks are stable.
> > > So add the i.MX8MP PCIe PHY PERST support here.
> > 
> > the description is good now. It would be nice if this could also be mentioned in
> > the Reference Manual.
> > 
> > Please replace "add" with "fix" in the subject, as I requested earlier:
> > "reset: imx7: Fix i.MX8MP PCIe PHY PERST support".
> > 
> > And add a fixes line:
> > 
> > Fixes: e08672c03981 ("reset: imx7: Add support for i.MX8MP SoC")
> > 
> > With those two changes,
> > Reviewed-by: Philipp Zabel <p.zabel@...gutronix.de>
> > 
> Hi Philipp:
> Okay, would be changed in next version.

AFAICS there is still a pending comment on patch (2) but I will
mark this as "Changes requested" and wait for the next version.

Lorenzo

> Thanks for your review.
> 
> Best Regards
> Richard Zhu
> 
> > regards
> > Philipp
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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