linux-kernel - Re: [PATCH 12/13] arm64: Remove dev->archdata.iommu pointer

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Date:   Thu, 25 Jun 2020 14:16:20 +0100
From:   Will Deacon <will@...nel.org>
To:     Joerg Roedel <joro@...tes.org>
Cc:     iommu@...ts.linux-foundation.org,
        Russell King <linux@...linux.org.uk>,
        Catalin Marinas <catalin.marinas@....com>,
        Tony Luck <tony.luck@...el.com>,
        Fenghua Yu <fenghua.yu@...el.com>,
        Michael Ellerman <mpe@...erman.id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>, x86@...nel.org,
        Jani Nikula <jani.nikula@...ux.intel.com>,
        Joonas Lahtinen <joonas.lahtinen@...ux.intel.com>,
        Rodrigo Vivi <rodrigo.vivi@...el.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        David Woodhouse <dwmw2@...radead.org>,
        Lu Baolu <baolu.lu@...ux.intel.com>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Heiko Stuebner <heiko@...ech.de>,
        Thierry Reding <thierry.reding@...il.com>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-ia64@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        intel-gfx@...ts.freedesktop.org, Joerg Roedel <jroedel@...e.de>
Subject: Re: [PATCH 12/13] arm64: Remove dev->archdata.iommu pointer

On Thu, Jun 25, 2020 at 03:08:35PM +0200, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@...e.de>
> 
> There are no users left, all drivers have been converted to use the
> per-device private pointer offered by IOMMU core.
> 
> Signed-off-by: Joerg Roedel <jroedel@...e.de>
> ---
>  arch/arm64/include/asm/device.h | 3 ---
>  1 file changed, 3 deletions(-)
> 
> diff --git a/arch/arm64/include/asm/device.h b/arch/arm64/include/asm/device.h
> index 12b778d55342..996498751318 100644
> --- a/arch/arm64/include/asm/device.h
> +++ b/arch/arm64/include/asm/device.h
> @@ -6,9 +6,6 @@
>  #define __ASM_DEVICE_H
>  
>  struct dev_archdata {
> -#ifdef CONFIG_IOMMU_API
> -	void *iommu;			/* private IOMMU data */
> -#endif
>  };

Acked-by: Will Deacon <will@...nel.org>

Thanks, Joerg.

Will