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

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Message-ID: <20150306045456.GC20077@google.com>
Date:	Thu, 5 Mar 2015 22:54:56 -0600
From:	Bjorn Helgaas <bhelgaas@...gle.com>
To:	Feng Kan <fkan@....com>
Cc:	patches@....com, linux-pci@...r.kernel.org,
	linux-kernel@...r.kernel.org, robh@...nel.org,
	linux-arm-kernel@...ts.infradead.org, tinamdar@....com
Subject: Re: [PATCH] pci: host: xgene: fix incorrectly returned address by
 map_bus

On Tue, Feb 17, 2015 at 03:14:00PM -0800, Feng Kan 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>

Applied to for-linus for v4.0, with acks from Tanmay and Rob.  Thanks!

> ---
>  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 = {
> -- 
> 1.9.1
> 
> --
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