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Re: [PATCH] bcma: fix build error on MIPS; implicit pcibios_enable_device

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Hi Paul,

On Mon, Mar 26, 2012 at 11:02, Paul Gortmaker
<paul.gortmaker@xxxxxxxxxxxxx> wrote:
> The following is seen during allmodconfig builds for MIPS:
>
> drivers/bcma/driver_pci_host.c:518:2: error: implicit declaration
> of function 'pcibios_enable_device' [-Werror=implicit-function-declaration]
> cc1: some warnings being treated as errors
> make[3]: *** [drivers/bcma/driver_pci_host.o] Error 1
>
> Most likey introduced by commit 49dc9577155576b10ff79f0c1486c816b01f58bf
>
>    "bcma: add PCIe host controller"
>
> Add the header instead of implicitly assuming it will be present.
> Sounds like a good idea, but that alone doesn't fix anything.
>
> The real problem is that the Kconfig has settings related to whether
> PCI is possible, i.e.
>
>  config BCMA_HOST_PCI_POSSIBLE
>        bool
>        depends on BCMA && PCI = y
>        default y
>
>  config BCMA_HOST_PCI
>        bool "Support for BCMA on PCI-host bus"
>        depends on BCMA_HOST_PCI_POSSIBLE
>
> ...but what is missing is that BCMA_DRIVER_PCI_HOSTMODE doesn't
> have any dependencies on the above.  Add one.
>
> CC: Hauke Mehrtens <hauke@xxxxxxxxxx>
> CC: John W. Linville <linville@xxxxxxxxxxxxx>
> Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
>
> diff --git a/drivers/bcma/Kconfig b/drivers/bcma/Kconfig
> index c1172da..fb7c80f 100644
> --- a/drivers/bcma/Kconfig
> +++ b/drivers/bcma/Kconfig
> @@ -29,7 +29,7 @@ config BCMA_HOST_PCI
>
>  config BCMA_DRIVER_PCI_HOSTMODE
>        bool "Driver for PCI core working in hostmode"
> -       depends on BCMA && MIPS
> +       depends on BCMA && MIPS && BCMA_HOST_PCI

I don't know the hardware, but I'm sure there'd be situations
(probably for embedded devices) where hostmode would be wanted without
the PCI host support - so shouldn't this depend on
BCMA_HOST_PCI_POSSIBLE?

Thanks,

-- 
Julian Calaby

Email: julian.calaby@xxxxxxxxx
Profile: http://www.google.com/profiles/julian.calaby/
.Plan: http://sites.google.com/site/juliancalaby/
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