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

Hongxing Zhu hongxing.zhu at nxp.com
Thu Aug 18 03:53:24 PDT 2022


> -----Original Message-----
> From: Philipp Zabel <p.zabel at pengutronix.de>
> Sent: 2022年8月18日 16:51
> To: Hongxing Zhu <hongxing.zhu at nxp.com>; l.stach at pengutronix.de;
> bhelgaas at google.com; lorenzo.pieralisi at arm.com; robh at kernel.org;
> shawnguo at kernel.org; vkoul at kernel.org; alexander.stein at ew.tq-group.com;
> marex at denx.de
> Cc: linux-phy at lists.infradead.org; devicetree at vger.kernel.org;
> linux-pci at vger.kernel.org; linux-arm-kernel at lists.infradead.org;
> linux-kernel at vger.kernel.org; kernel at pengutronix.de; dl-linux-imx
> <linux-imx at nxp.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 at pengutronix.de>
> 
Hi Philipp:
Okay, would be changed in next version.
Thanks for your review.

Best Regards
Richard Zhu

> regards
> Philipp


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