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

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Message-ID: <ZIdEBXH5AztZ/jz5@lizhi-Precision-Tower-5810>
Date:   Mon, 12 Jun 2023 12:12:53 -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, 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.

> 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(-)
> 
>