[PATCH 1/4] arm: of: Add a DT quirk method after unflattening

From: Pantelis Antoniou
Date: Wed Feb 18 2015 - 09:59:55 EST


We need a per-machine dt_quirk() method to allow us to perform
device tree quirk processing after unflattening.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
---
arch/arm/include/asm/mach/arch.h | 1 +
arch/arm/kernel/setup.c | 3 +++
2 files changed, 4 insertions(+)

diff --git a/arch/arm/include/asm/mach/arch.h b/arch/arm/include/asm/mach/arch.h
index 0406cb3..e873434 100644
--- a/arch/arm/include/asm/mach/arch.h
+++ b/arch/arm/include/asm/mach/arch.h
@@ -51,6 +51,7 @@ struct machine_desc {
bool (*smp_init)(void);
void (*fixup)(struct tag *, char **);
void (*dt_fixup)(void);
+ void (*dt_quirk)(void);
void (*init_meminfo)(void);
void (*reserve)(void);/* reserve mem blocks */
void (*map_io)(void);/* IO mapping function */
diff --git a/arch/arm/kernel/setup.c b/arch/arm/kernel/setup.c
index e55408e..e4c6eb5 100644
--- a/arch/arm/kernel/setup.c
+++ b/arch/arm/kernel/setup.c
@@ -934,6 +934,9 @@ void __init setup_arch(char **cmdline_p)

unflatten_device_tree();

+ if (mdesc->dt_quirk)
+ mdesc->dt_quirk();
+
arm_dt_init_cpu_maps();
psci_init();
#ifdef CONFIG_SMP
--
1.7.12

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