Re: [PATCH] pci: host: xgene: fix incorrectly returned address by map_bus

From: Tanmay Inamdar
Date: Thu Feb 19 2015 - 17:59:29 EST


On Tue, Feb 17, 2015 at 3:14 PM, Feng Kan <fkan@xxxxxxx> 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@xxxxxxx>
> ---
> 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@xxxxxxx>

>
> --
> 1.9.1
>
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