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From: "Z.q. Hou" <zhiqiang.hou@nxp.com>
To: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Cc: "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	Leo Li <leoyang.li@nxp.com>,
	"shawnguo@kernel.org" <shawnguo@kernel.org>,
	"mark.rutland@arm.com" <mark.rutland@arm.com>,
	"bhelgaas@google.com" <bhelgaas@google.com>,
	Mingkai Hu <mingkai.hu@nxp.com>,
	"M.h. Lian" <minghuan.lian@nxp.com>
Subject: RE: [PATCH 2/4] doc/layerscape-pci: removed unsuitable compatible string
Date: Fri, 23 Nov 2018 06:22:06 +0000	[thread overview]
Message-ID: <AM6PR04MB5781C1086B4EFF1BF73F72B284D40@AM6PR04MB5781.eurprd04.prod.outlook.com> (raw)
In-Reply-To: <20181122112809.GA11952@e107981-ln.cambridge.arm.com>

Hi Lorenzo,

Thanks a lot for your comments!

> -----Original Message-----
> From: Lorenzo Pieralisi [mailto:lorenzo.pieralisi@arm.com]
> Sent: 2018年11月22日 19:28
> To: Z.q. Hou <zhiqiang.hou@nxp.com>
> Cc: linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-pci@vger.kernel.org; devicetree@vger.kernel.org; robh+dt@kernel.org;
> Leo Li <leoyang.li@nxp.com>; shawnguo@kernel.org;
> mark.rutland@arm.com; bhelgaas@google.com; Mingkai Hu
> <mingkai.hu@nxp.com>; M.h. Lian <minghuan.lian@nxp.com>
> Subject: Re: [PATCH 2/4] doc/layerscape-pci: removed unsuitable compatible
> string
> 
> On Mon, Oct 08, 2018 at 11:14:26AM +0800, Zhiqiang Hou wrote:
> > From: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> >
> > Removed the compatible string "snps,dw-pcie", it is for the reference
> > platform driver for PCI RC IP Protoyping Kits based on the ARC SDP, so
> > it is not suitable for all platform with designware PCIe controller,
> > and platform vendors have themselves' drivers.
> >
> > The compatible string "snsp,dw-pcie" was added by mistake and it's not
> > matched that time, but it is matched because pcie drivers has been
> > collected recently.
> 
> I do not understand what you mean, please explain it to me and I will update
> the commit log accordingly before merging it.

Before moving PCIe controller drivers to directory drivers/pci/controllers/, pci-layerscape.c can be matched correctly, but after that the pcie-designware-plat.c is matched instead of the pci-layerscape.c. So this patch is to avoid matching pcie-designware-plat.c by removing the "snps,dw-pcie".

Thanks,
Zhiqiang

> Lorenzo
> 
> > Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
> > ---
> >  Documentation/devicetree/bindings/pci/layerscape-pci.txt | 6 +++---
> >  1 file changed, 3 insertions(+), 3 deletions(-)
> >
> > diff --git a/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> > b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> > index 5eb1c202932f..9b2b8d66d1f4 100644
> > --- a/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> > +++ b/Documentation/devicetree/bindings/pci/layerscape-pci.txt
> > @@ -13,8 +13,8 @@ information.
> >
> >  Required properties:
> >  - compatible: should contain the platform identifier such as:
> > -        "fsl,ls1021a-pcie", "snps,dw-pcie"
> > -        "fsl,ls2080a-pcie", "fsl,ls2085a-pcie", "snps,dw-pcie"
> > +        "fsl,ls1021a-pcie"
> > +        "fsl,ls2080a-pcie", "fsl,ls2085a-pcie"
> >          "fsl,ls2088a-pcie"
> >          "fsl,ls1088a-pcie"
> >          "fsl,ls1046a-pcie"
> > @@ -36,7 +36,7 @@ Required properties:
> >  Example:
> >
> >  	pcie@3400000 {
> > -		compatible = "fsl,ls1021a-pcie", "snps,dw-pcie";
> > +		compatible = "fsl,ls1021a-pcie";
> >  		reg = <0x00 0x03400000 0x0 0x00010000   /* controller registers
> */
> >  		       0x40 0x00000000 0x0 0x00002000>; /* configuration space
> */
> >  		reg-names = "regs", "config";
> > --
> > 2.17.1
> >

  reply	other threads:[~2018-11-23  6:22 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-08  3:14 [PATCH 0/4] dts/layerscape-pci: " Zhiqiang Hou
2018-10-08  3:14 ` [PATCH 1/4] doc/layerscape-pci: update the PCIe compatible strings Zhiqiang Hou
2018-10-17 13:51   ` Rob Herring
2018-10-25  9:27     ` Z.q. Hou
2018-10-08  3:14 ` [PATCH 2/4] doc/layerscape-pci: removed unsuitable compatible string Zhiqiang Hou
2018-10-17 13:53   ` Rob Herring
2018-10-25  9:28     ` Z.q. Hou
2018-11-22 11:28   ` Lorenzo Pieralisi
2018-11-23  6:22     ` Z.q. Hou [this message]
2018-10-08  3:14 ` [PATCH 3/4] dts/arm/ls1021a: Clean PCIe controller compatible strings Zhiqiang Hou
2018-10-08  3:14 ` [PATCH 4/4] dts/arm64/layerscape: " Zhiqiang Hou
2018-11-20 12:53 ` [PATCH 0/4] dts/layerscape-pci: removed unsuitable compatible string Lorenzo Pieralisi
2018-11-23  7:36   ` Shawn Guo

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