Re: [PATCH 2/3] AMD IOMMUv2 PC resource management hooks

[Cyrill Gorcunov]

On Mon, Jan 21, 2013 at 02:20:57PM -0600, Steven L. Kinney wrote:
> +u8 amd_iommu_v2_get_max_pc_banks(u16 devid)
> +{
> +	struct amd_iommu *iommu;
> +
> +	/* locate the iommu governing the devid */
> +	iommu = amd_iommu_rlookup_table[devid];
> +
> +	if (iommu)
> +		return iommu->max_banks;
> +
> +	return -ENODEV;
> +}
> +EXPORT_SYMBOL(amd_iommu_v2_get_max_pc_banks);

Hi Steven, may not it be better to return int here, instead of u8?
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