On Thursday 27 February 2014 14:38:32 Arnd Bergmann wrote:
pr_debug("Parsing ranges property...\n");
for_each_of_pci_range(&parser, &range) {
/* Read next ranges element */
pr_debug("pci_space: 0x%08x pci_addr:0x%016llx ",
range.pci_space, range.pci_addr);
pr_debug("cpu_addr:0x%016llx size:0x%016llx\n",
range.cpu_addr, range.size);
/*
* If we failed translation or got a zero-sized region
* then skip this range
*/
if (range.cpu_addr == OF_BAD_ADDR || range.size == 0)
continue;
res = kzalloc(sizeof(struct resource), GFP_KERNEL);
if (!res) {
err = -ENOMEM;
goto bridge_ranges_nomem;
}
of_pci_range_to_resource(&range, dev, res);
if (resource_type(res) == IORESOURCE_IO)
*io_base = range.cpu_addr;
pci_add_resource_offset(resources, res,
res->start - range.pci_addr);
}
This is not the correct resource for I/O space at all. Please talk to Will, I've been over this with him in detail and he probably understands it now. I assume you are both working in the same building.
Sorry, I initially missed part of your changes in patch 1. I think it's actually correct now.
Arnd