On Tuesday 04 March 2014, Liviu Dudau wrote:
> +extern int isa_dma_bridge_buggy;
As commented before, I still think we can hardcode this to off
> +unsigned long pci_address_to_pio(phys_addr_t address)
> +{
> + struct ioresource *res;
> +
> + list_for_each_entry(res, &io_list, list) {
> + if (address >= res->start &&
> + address < res->start + res->size) {
> + return res->start - address;
> + }
> + }
> +
> + return (unsigned long)-1;
> +}
> +EXPORT_SYMBOL_GPL(pci_address_to_pio);
This has two problems:
- You return the address in bus space not the logical Linux
port number as powerpc and microblaze do.
- You imply that the window starts at bus address zero, which
might not be the case.
> +EXPORT_SYMBOL(pcibios_fixup_bus);
no need for this export.
> +/*
> + * We don't have to worry about legacy ISA devices, so nothing to do here
> + */
> +resource_size_t pcibios_align_resource(void *data, const struct resource *res,
> + resource_size_t size, resource_size_t align)
> +{
> + return ALIGN(res->start, align);
> +}
> +EXPORT_SYMBOL(pcibios_align_resource);
or this one. Also, the ALIGN() is already done by the PCI core.
Arnd
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