Re: [PATCH v5 09/10] VAS: Define vas_tx_win_open()

[Sukadev Bhattiprolu]

Sukadev Bhattiprolu [sukadev@xxxxxxxxxxxxxxxxxx] wrote:
> +static void *map_paste_region(char *name, uint64_t start, int len)
> +{
> +	void *map;
> +
> +	if (!request_mem_region(start, len, name)) {
> +		pr_devel("%s(): request_mem_region(0x%llx, %d) failed\n",
> +				__func__, start, len);
> +		return NULL;
> +	}
> +
> +	map = __ioremap(start, len, pgprot_val(pgprot_cached(__pgprot(0))));
> +	if (!map) {
> +		pr_devel("%s(): ioremap(0x%llx, %d) failed\n", __func__, start,
> +				len);
> +		return NULL;
> +	}
> +
> +	return map;
> +}

Based on Ben Herrenschmidt and Michael Ellerman's comments, replaced the
__ioremap() call above with ioremap_cache(start, len). Here is the updated
patch.

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