Re: [PATCH 3/4] iommu/exynos: Add iommu driver for Exynos4 Platforms
From: KyongHo Cho
Date: Tue Sep 27 2011 - 05:01:09 EST
On Tue, Sep 27, 2011 at 5:48 PM, Ohad Ben-Cohen <ohad@xxxxxxxxxx> wrote:
> diff --git a/include/linux/iommu.h b/include/linux/iommu.h
> index d084e87..2987199 100644
> --- a/include/linux/iommu.h
> +++ b/include/linux/iommu.h
> @@ -98,11 +98,12 @@ extern void iommu_set_fault_handler(struct
> iommu_domain *domain,
> * Returns 0 on success and an appropriate error code otherwise (if dynamic
> * PTE/TLB loading will one day be supported, implementations will be able
> * to tell whether it succeeded or not according to this return value).
> + * If a fault handler isn't installed, -ENOSYS is returned.
> */
> static inline int report_iommu_fault(struct iommu_domain *domain,
> struct device *dev, unsigned long iova, int flags)
> {
> - int ret = 0;
> + int ret = -ENOSYS;
>
> /*
> * if upper layers showed interest and installed a fault handler,
It looks good for me.
I will prepare new patches with the changed API.
Thank you.
Cho KyongHo.
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