On Wed, Mar 25, 2015 at 05:00:27PM +0000, Catalin Marinas wrote:
On Tue, Mar 24, 2015 at 10:02:42PM +0800, Hanjun Guo wrote:
If the early boot methods of acpi are happy that we have valid ACPI tables and acpi=force has been passed, then do not unflat devicetree effectively disabling further hardware probing from DT.
[...]
--- a/arch/arm64/kernel/setup.c +++ b/arch/arm64/kernel/setup.c @@ -390,7 +390,8 @@ void __init setup_arch(char **cmdline_p) early_ioremap_reset();
- unflatten_device_tree();
- if (acpi_disabled)
unflatten_device_tree();
So if we have acpi=force but the acpi failed, do we have acpi_disabled set? Or this requires Lorenzo's patch?
Hanjun did not squash with this patch a later patch in the series that caters for that, I reverted it and added my change on top to make things simpler, it is all done.
Lorenzo