Re: [PATCH v8 5/6] iommu/arm-smmu-v3: Add in-kernel support for NVIDIA Tegra241 (Grace) CMDQV

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On Tue, May 28, 2024 at 01:09:53AM -0700, Nicolin Chen wrote:

> +/* MMIO helpers */
> +#define REG_CMDQV(_cmdqv, _regname) \
> +	((_cmdqv)->base + TEGRA241_CMDQV_##_regname)
> +#define REG_VINTF(_vintf, _regname) \
> +	((_vintf)->base + TEGRA241_VINTF_##_regname)
> +#define REG_VCMDQ_PAGE0(_vcmdq, _regname) \
> +	((_vcmdq)->page0 + TEGRA241_VCMDQ_##_regname)
> +#define REG_VCMDQ_PAGE1(_vcmdq, _regname) \
> +	((_vcmdq)->page1 + TEGRA241_VCMDQ_##_regname)

This looks OK now

I didn't see any thing else really important in this patch

Reviewed-by: Jason Gunthorpe <jgg@xxxxxxxxxx>

> +static inline int cmdqv_write_config(struct tegra241_cmdqv *cmdqv, u32 regval)
> +{
> +	return tegra241_cmdqv_write_config(cmdqv,
> +					   cmdqv->base + TEGRA241_CMDQV_CONFIG,
> +					   cmdqv->base + TEGRA241_CMDQV_STATUS,
> +					   regval, "CMDQV: ", NULL);

However it would be good to go and fix these case to use the REG_xx
macros, I noticed several.

Jason




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