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Message-ID: <AM5PR04MB329929A0B046F6BEB94B0120F5D30@AM5PR04MB3299.eurprd04.prod.outlook.com>
Date:   Mon, 12 Aug 2019 10:39:00 +0000
From:   Xiaowei Bao <xiaowei.bao@....com>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>,
        "kishon@...com" <kishon@...com>
CC:     "bhelgaas@...gle.com" <bhelgaas@...gle.com>,
        "robh+dt@...nel.org" <robh+dt@...nel.org>,
        "mark.rutland@....com" <mark.rutland@....com>,
        "shawnguo@...nel.org" <shawnguo@...nel.org>,
        Leo Li <leoyang.li@....com>, "arnd@...db.de" <arnd@...db.de>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "M.h. Lian" <minghuan.lian@....com>,
        Mingkai Hu <mingkai.hu@....com>, Roy Zang <roy.zang@....com>,
        "kstewart@...uxfoundation.org" <kstewart@...uxfoundation.org>,
        "pombredanne@...b.com" <pombredanne@...b.com>,
        "shawn.lin@...k-chips.com" <shawn.lin@...k-chips.com>,
        "linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linuxppc-dev@...ts.ozlabs.org" <linuxppc-dev@...ts.ozlabs.org>
Subject: RE: [EXT] Re: [PATCHv3 1/2] PCI: layerscape: Add the bar_fixed_64bit
 property in EP driver.



> -----Original Message-----
> From: Lorenzo Pieralisi <lorenzo.pieralisi@....com>
> Sent: 2019年8月12日 18:12
> To: Xiaowei Bao <xiaowei.bao@....com>; kishon@...com
> Cc: bhelgaas@...gle.com; robh+dt@...nel.org; mark.rutland@....com;
> shawnguo@...nel.org; Leo Li <leoyang.li@....com>; arnd@...db.de;
> gregkh@...uxfoundation.org; M.h. Lian <minghuan.lian@....com>; Mingkai
> Hu <mingkai.hu@....com>; Roy Zang <roy.zang@....com>;
> kstewart@...uxfoundation.org; pombredanne@...b.com;
> shawn.lin@...k-chips.com; linux-pci@...r.kernel.org;
> devicetree@...r.kernel.org; linux-kernel@...r.kernel.org;
> linux-arm-kernel@...ts.infradead.org; linuxppc-dev@...ts.ozlabs.org
> Subject: [EXT] Re: [PATCHv3 1/2] PCI: layerscape: Add the bar_fixed_64bit
> property in EP driver.
> 
> Caution: EXT Email
> 
> First off:
> 
> Trim the CC list, you CC'ed maintainers (and mailing lists) for no reasons
> whatsover.
[Xiaowei Bao]Hi Lorenzo, I am not clear why the mail list is the CC, I use the command "git send-email --to", I will try to send the patch again, do I need to modify the version is v4 when I send this patch again?
> 
> Then, read this:
> 
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Flore.ke
> rnel.org%2Flinux-pci%2F20171026223701.GA25649%40bhelgaas-glaptop.roa
> m.corp.google.com%2F&amp;data=02%7C01%7Cxiaowei.bao%40nxp.com%7
> C1c586178e23c423a0e8808d71f0d8f6f%7C686ea1d3bc2b4c6fa92cd99c5c30
> 1635%7C0%7C0%7C637012015426788575&amp;sdata=3bx1bDFIzik8FnD0wl
> duAUv7wtLdD1J3hQ3xNH2xmFY%3D&amp;reserved=0
> 
> and make your patches compliant please.
> 
> On Fri, Jun 28, 2019 at 09:38:25AM +0800, Xiaowei Bao wrote:
> > The PCIe controller of layerscape just have 4 BARs, BAR0 and BAR1 is
> > 32bit, BAR3 and BAR4 is 64bit, this is determined by hardware, so set
> > the bar_fixed_64bit with 0x14.
> >
> > Signed-off-by: Xiaowei Bao <xiaowei.bao@....com>
> > ---
> > v2:
> >  - Replace value 0x14 with a macro.
> > v3:
> >  - No change.
> >
> >  drivers/pci/controller/dwc/pci-layerscape-ep.c |    1 +
> >  1 files changed, 1 insertions(+), 0 deletions(-)
> >
> > diff --git a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > index be61d96..227c33b 100644
> > --- a/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > +++ b/drivers/pci/controller/dwc/pci-layerscape-ep.c
> > @@ -44,6 +44,7 @@ static int ls_pcie_establish_link(struct dw_pcie *pci)
> >       .linkup_notifier = false,
> >       .msi_capable = true,
> >       .msix_capable = false,
> > +     .bar_fixed_64bit = (1 << BAR_2) | (1 << BAR_4),
> 
> I would appreciate Kishon's ACK on this.
> 
> Lorenzo
> 
> >  };
> >
> >  static const struct pci_epc_features*
> > --
> > 1.7.1
> >

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