Re: [Linaro-acpi] [PATCH v4 12/13] ARM64 / ACPI: if we chose to boot from acpi then disable FDT

2014-06-27 Thread Arnd Bergmann
On Friday 27 June 2014 11:49:35 Hanjun Guo wrote:
> From: Graeme Gregory 
> 
> If the early boot methods of acpi are happy that we have valid ACPI
> tables and acpi=off has not been passed. Then do not unflat devicetree
> effectively disabling further hardware probing from DT.
> 

I guess this answers the question I had on patch 4 ;-)

Arnd
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Re: [Linaro-acpi] [PATCH v4 12/13] ARM64 / ACPI: if we chose to boot from acpi then disable FDT

2014-06-27 Thread Arnd Bergmann
On Friday 27 June 2014 11:49:35 Hanjun Guo wrote:
 From: Graeme Gregory graeme.greg...@linaro.org
 
 If the early boot methods of acpi are happy that we have valid ACPI
 tables and acpi=off has not been passed. Then do not unflat devicetree
 effectively disabling further hardware probing from DT.
 

I guess this answers the question I had on patch 4 ;-)

Arnd
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[PATCH v4 12/13] ARM64 / ACPI: if we chose to boot from acpi then disable FDT

2014-06-26 Thread Hanjun Guo
From: Graeme Gregory 

If the early boot methods of acpi are happy that we have valid ACPI
tables and acpi=off has not been passed. Then do not unflat devicetree
effectively disabling further hardware probing from DT.

Signed-off-by: Graeme Gregory 
---
 arch/arm64/kernel/setup.c |3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 9dedb0b..487fd1f 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -394,7 +394,8 @@ void __init setup_arch(char **cmdline_p)
 
efi_idmap_init();
 
-   unflatten_device_tree();
+   if (acpi_disabled)
+   unflatten_device_tree();
 
psci_init();
 
-- 
1.7.9.5

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[PATCH v4 12/13] ARM64 / ACPI: if we chose to boot from acpi then disable FDT

2014-06-26 Thread Hanjun Guo
From: Graeme Gregory graeme.greg...@linaro.org

If the early boot methods of acpi are happy that we have valid ACPI
tables and acpi=off has not been passed. Then do not unflat devicetree
effectively disabling further hardware probing from DT.

Signed-off-by: Graeme Gregory graeme.greg...@linaro.org
---
 arch/arm64/kernel/setup.c |3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/kernel/setup.c b/arch/arm64/kernel/setup.c
index 9dedb0b..487fd1f 100644
--- a/arch/arm64/kernel/setup.c
+++ b/arch/arm64/kernel/setup.c
@@ -394,7 +394,8 @@ void __init setup_arch(char **cmdline_p)
 
efi_idmap_init();
 
-   unflatten_device_tree();
+   if (acpi_disabled)
+   unflatten_device_tree();
 
psci_init();
 
-- 
1.7.9.5

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