linux-kernel - Re: [PATCH v4 1/1] PCI: layerscape: Add the endpoint linkup notifier support

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Message-ID: <ZIocGZfj2T4Wvpeq@lizhi-Precision-Tower-5810>
Date:   Wed, 14 Jun 2023 15:59:21 -0400
From:   Frank Li <Frank.li@....com>
To:     manivannan.sadhasivam@...aro.org,
        Minghuan Lian <minghuan.Lian@....com>,
        Mingkai Hu <mingkai.hu@....com>, Roy Zang <roy.zang@....com>,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        "open list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linuxppc-dev@...ts.ozlabs.org>,
        "open list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linux-pci@...r.kernel.org>,
        "moderated list:PCI DRIVER FOR FREESCALE LAYERSCAPE" 
        <linux-arm-kernel@...ts.infradead.org>,
        open list <linux-kernel@...r.kernel.org>
Cc:     imx@...ts.linux.dev
Subject: Re: [PATCH v4 1/1] PCI: layerscape: Add the endpoint linkup notifier
 support

On Mon, Jun 12, 2023 at 12:12:53PM -0400, Frank Li wrote:
> On Mon, May 15, 2023 at 11:10:49AM -0400, Frank Li wrote:
> > Layerscape has PME interrupt, which can be used as linkup notifier.
> > Set CFG_READY bit of PEX_PF0_CONFIG to enable accesses from root complex
> > when linkup detected.
> > 
> > Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> > Signed-off-by: Xiaowei Bao <xiaowei.bao@....com>
> > Signed-off-by: Frank Li <Frank.Li@....com>
> > ---
> 
> Ping, not comments almost over 1 months.

@lorenzo and @Bjorn

Could you please pick this patch? This just added a linkup notification for
layerscape platform and there are not futher comments over 1 months.

Frank

> 
> > Change from v3 to v4
> >  - swap irq and big_endian
> > Change from v2 to v3
> >  - align 80 column
> >  - clear irq firstly
> >  - dev_info to dev_dbg
> >  - remove double space
> >  - update commit message
> > 
> > Change from v1 to v2
> > - pme -> PME
> > - irq -> IRQ
> > - update dev_info message according to Bjorn's suggestion
> > 
> >  .../pci/controller/dwc/pci-layerscape-ep.c    | 102 +++++++++++++++++-
> >  1 file changed, 101 insertions(+), 1 deletion(-)
> > 
> >