Thread (59 messages) 59 messages, 10 authors, 2015-03-31

[patch v11 09/23] ARM64 / ACPI: If we chose to boot from acpi then disable FDT

From: catalin.marinas@arm.com (Catalin Marinas)
Date: 2015-03-26 01:04:10
Also in: linux-acpi, lkml

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.
[...]
quoted hunk ↗ jump to hunk
--- 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?

-- 
Catalin
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help