On 1/14/2016 10:29 AM, Mark Salter wrote: On Wed, 2016-01-13 at 14:20 +0100, Tomasz Nowicki wrote:
IO resources on Mustang get disabled unless I do:
@@ -126,9 +126,10 @@ static void acpi_dev_ioresource_flags(struct resource *res, u64 len, if (!acpi_dev_resource_len_valid(res->start, res->end, len, true)) res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET;
+#if 0 if (res->end >= 0x10003) res->flags |= IORESOURCE_DISABLED | IORESOURCE_UNSET; - +#endif
res->end is way beyond 0x10003 on Mustang:
pci_bus 0000:00: root bus resource [io 0x0000-0xffff window] (bus address [0x10000000-0x1000ffff])
Join the club. I complained about this and I got the message that we just do what Intel does. See Arnd Bergmann's reply.
[PATCH V2 00/23] MMCONFIG refactoring and support for ARM64 PCI hostbridge init based on ACPI
1/12/2016 9:30 AM
It is an artificial limit coming from the x86 world introduced into common code.
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