RE: [EXT] Re: [PATCHv3 1/2] PCI: layerscape: Add the bar_fixed_64bit property in EP driver.

[Xiaowei Bao]

> -----Original Message-----
> From: Lorenzo Pieralisi <lorenzo.pieralisi@xxxxxxx>
> Sent: 2019年8月12日 18:12
> To: Xiaowei Bao <xiaowei.bao@xxxxxxx>; kishon@xxxxxx
> Cc: bhelgaas@xxxxxxxxxx; robh+dt@xxxxxxxxxx; mark.rutland@xxxxxxx;
> shawnguo@xxxxxxxxxx; Leo Li <leoyang.li@xxxxxxx>; arnd@xxxxxxxx;
> gregkh@xxxxxxxxxxxxxxxxxxx; M.h. Lian <minghuan.lian@xxxxxxx>; Mingkai
> Hu <mingkai.hu@xxxxxxx>; Roy Zang <roy.zang@xxxxxxx>;
> kstewart@xxxxxxxxxxxxxxxxxxx; pombredanne@xxxxxxxx;
> shawn.lin@xxxxxxxxxxxxxx; linux-pci@xxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx;
> linux-arm-kernel@xxxxxxxxxxxxxxxxxxx; linuxppc-dev@xxxxxxxxxxxxxxxx
> 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@xxxxxxx>
> > ---
> > 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
> >