RE: [PATCH v3 1/6] reset: imx7: Add the iMX8MP PCIe PHY PERST support

[Hongxing Zhu]

> -----Original Message-----
> From: Lorenzo Pieralisi <lpieralisi@xxxxxxxxxx>
> Sent: 2022年8月29日 16:10
> To: Hongxing Zhu <hongxing.zhu@xxxxxxx>
> Cc: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>; l.stach@xxxxxxxxxxxxxx;
> bhelgaas@xxxxxxxxxx; lorenzo.pieralisi@xxxxxxx; robh@xxxxxxxxxx;
> shawnguo@xxxxxxxxxx; vkoul@xxxxxxxxxx; alexander.stein@xxxxxxxxxxxxxxx;
> marex@xxxxxxx; linux-phy@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-linux-imx
> <linux-imx@xxxxxxx>
> 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@xxxxxxxxxxxxxx>
> > > Sent: 2022年8月18日 16:51
> > > To: Hongxing Zhu <hongxing.zhu@xxxxxxx>; l.stach@xxxxxxxxxxxxxx;
> > > bhelgaas@xxxxxxxxxx; lorenzo.pieralisi@xxxxxxx; robh@xxxxxxxxxx;
> > > shawnguo@xxxxxxxxxx; vkoul@xxxxxxxxxx;
> > > alexander.stein@xxxxxxxxxxxxxxx; marex@xxxxxxx
> > > Cc: linux-phy@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx;
> > > linux-pci@xxxxxxxxxxxxxxx; linux-arm-kernel@xxxxxxxxxxxxxxxxxxx;
> > > linux-kernel@xxxxxxxxxxxxxxx; kernel@xxxxxxxxxxxxxx; dl-linux-imx
> > > <linux-imx@xxxxxxx>
> > > 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@xxxxxxxxxxxxxx>
> > >
> > 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.
> 
Hi Lorenzo:
Thanks for your kindly help.
I had prepared the v4 version. And I also pinged Lucas privately and hope
 he can take a look at it. Thus, I can add his ack in v4 series.

Anyway, I would issue the v4 series tomorrow.
Best Regards
Richard Zhu

> Lorenzo
> 
> > Thanks for your review.
> >
> > Best Regards
> > Richard Zhu
> >
> > > regards
> > > Philipp
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