linux-kernel - Re: [PATCH] pci: host: xgene: fix incorrectly returned address by map

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Message-ID: <CACoXjcn7HYSjgtbx1dvQuL0xjrjCn4F_KgRs7Mj2-=OEE6jeyQ@mail.gmail.com>
Date:	Thu, 19 Feb 2015 14:53:35 -0800
From:	Tanmay Inamdar <tinamdar@....com>
To:	Feng Kan <fkan@....com>
Cc:	patches <patches@....com>,
	"linux-pci@...r.kernel.org" <linux-pci@...r.kernel.org>,
	linux-kernel@...r.kernel.org, robh@...nel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH] pci: host: xgene: fix incorrectly returned address by map_bus

On Tue, Feb 17, 2015 at 3:14 PM, Feng Kan <fkan@....com> wrote:
>
> The generic accessor functions for pci-xgene uses map_bus
> call that returns the base address but did not add the additional
> offset.
>
> Signed-off-by: Feng Kan <fkan@....com>
> ---
>  drivers/pci/host/pci-xgene.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pci/host/pci-xgene.c b/drivers/pci/host/pci-xgene.c
> index aab5547..ee082c0 100644
> --- a/drivers/pci/host/pci-xgene.c
> +++ b/drivers/pci/host/pci-xgene.c
> @@ -127,7 +127,7 @@ static bool xgene_pcie_hide_rc_bars(struct pci_bus *bus, int offset)
>         return false;
>  }
>
> -static int xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
> +static void __iomem *xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
>                               int offset)
>  {
>         struct xgene_pcie_port *port = bus->sysdata;
> @@ -137,7 +137,7 @@ static int xgene_pcie_map_bus(struct pci_bus *bus, unsigned int devfn,
>                 return NULL;
>
>         xgene_pcie_set_rtdid_reg(bus, devfn);
> -       return xgene_pcie_get_cfg_base(bus);
> +       return xgene_pcie_get_cfg_base(bus) + offset;
>  }
>
>  static struct pci_ops xgene_pcie_ops = {


Acked-by: Tanmay Inamdar <tinamdar@....com>

>
> --
> 1.9.1
>
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