Re: [PATCH v2 07/11] openrisc: mm: Convert to GENERIC_IOREMAP

[Christoph Hellwig]

> +	if (unlikely(!mem_init_done)) {
>  		if ((fixmaps_used + (size >> PAGE_SHIFT)) > FIX_N_IOREMAPS)
> +			return IOMEM_ERR_PTR(ret);
>  		v = fix_to_virt(FIX_IOREMAP_BEGIN + fixmaps_used);
>  		fixmaps_used += (size >> PAGE_SHIFT);
>  
> +		if (ioremap_page_range(v, v + size, p, __pgprot(*prot_val))) {
>  			fixmaps_used -= (size >> PAGE_SHIFT);
> +			return IOMEM_ERR_PTR(ret);
> +		}
> +
> +		return (void __iomem *)(offset + (char *)v);
>  	}

This code needs to go away, and all very early boot uses of ioremap
need to switch to use early_ioremap insted.