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SubjectRe: [PATCH 01/15] iommu: Define dev_iommu_fwspec_get() for !CONFIG_IOMMU_API
On Tue, Mar 10, 2020 at 10:12:15AM +0100, Joerg Roedel wrote:
> From: Joerg Roedel <jroedel@suse.de>
>
> There are users outside of the IOMMU code that need to call that
> function. Define it for !CONFIG_IOMMU_API too so that compilation does
> not break.
>
> Reported-by: kbuild test robot <lkp@intel.com>
> Signed-off-by: Joerg Roedel <jroedel@suse.de>

Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>

As a result drivers/gpu/host1x/hw/channel_hw.c and
drivers/gpu/drm/tegra/vic.c can lose their #ifdef CONFIG_IOMMU_API

> ---
> include/linux/iommu.h | 4 ++++
> 1 file changed, 4 insertions(+)
>
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index d1b5f4d98569..3c4ca041d7a2 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -1073,6 +1073,10 @@ static inline int iommu_sva_unbind_gpasid(struct iommu_domain *domain,
> return -ENODEV;
> }
>
> +static inline struct iommu_fwspec *dev_iommu_fwspec_get(struct device *dev)
> +{
> + return NULL;
> +}
> #endif /* CONFIG_IOMMU_API */
>
> #ifdef CONFIG_IOMMU_DEBUGFS
> --
> 2.17.1
>

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