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Date:   Mon, 15 Jun 2020 11:40:35 +1000
From:   "Oliver O'Halloran" <>
To:     Greg Thelen <>
Cc:     Christophe Leroy <>,
        Michael Ellerman <>,
        Benjamin Herrenschmidt <>,
        Paul Mackerras <>,
        linuxppc-dev <>,
        Linux Kernel Mailing List <>
Subject: Re: [PATCH v2] powerpc/powernv/pci: use ifdef to avoid dead code

On Mon, Jun 15, 2020 at 9:33 AM Greg Thelen <> wrote:
> Commit dc3d8f85bb57 ("powerpc/powernv/pci: Re-work bus PE
> configuration") removed a couple pnv_ioda_setup_bus_dma() calls.  The
> only remaining calls are behind CONFIG_IOMMU_API.  Thus builds without
>   arch/powerpc/platforms/powernv/pci-ioda.c:1888:13: error: 'pnv_ioda_setup_bus_dma' defined but not used
> Move pnv_ioda_setup_bus_dma() under CONFIG_IOMMU_API to avoid dead code.

Doh! Thanks for the fix.

Reviewed-by: Oliver O'Halloran <>

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