From dbc895f95500a73ebf1ff12fe85f2e2b3790f52f Mon Sep 17 00:00:00 2001
From: Graf Yang <graf.yang@analog.com>
Date: Wed, 7 Jan 2009 23:14:39 +0800
Subject: Blackfin arch: smp patch cleanup from LKML review

1. Use inline get_l1_... functions instead of macro
2. Fix compile issue about smp barrier functions

Signed-off-by: Graf Yang <graf.yang@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
---
 arch/blackfin/include/asm/mem_map.h | 75 +++++++++++++++++++++++++++++++++++++
 arch/blackfin/include/asm/smp.h     |  2 +
 arch/blackfin/include/asm/system.h  |  6 ++-
 3 files changed, 81 insertions(+), 2 deletions(-)

(limited to 'arch/blackfin/include')

diff --git a/arch/blackfin/include/asm/mem_map.h b/arch/blackfin/include/asm/mem_map.h
index 88d04a70770..e92b31051bb 100644
--- a/arch/blackfin/include/asm/mem_map.h
+++ b/arch/blackfin/include/asm/mem_map.h
@@ -9,4 +9,79 @@
 
 #include <mach/mem_map.h>
 
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_SMP
+static inline ulong get_l1_scratch_start_cpu(int cpu)
+{
+	return (cpu) ? COREB_L1_SCRATCH_START : COREA_L1_SCRATCH_START;
+}
+static inline ulong get_l1_code_start_cpu(int cpu)
+{
+	return (cpu) ? COREB_L1_CODE_START : COREA_L1_CODE_START;
+}
+static inline ulong get_l1_data_a_start_cpu(int cpu)
+{
+	return (cpu) ? COREB_L1_DATA_A_START : COREA_L1_DATA_A_START;
+}
+static inline ulong get_l1_data_b_start_cpu(int cpu)
+{
+	return (cpu) ? COREB_L1_DATA_B_START : COREA_L1_DATA_B_START;
+}
+
+static inline ulong get_l1_scratch_start(void)
+{
+	return get_l1_scratch_start_cpu(blackfin_core_id());
+}
+static inline ulong get_l1_code_start(void)
+{
+	return get_l1_code_start_cpu(blackfin_core_id());
+}
+static inline ulong get_l1_data_a_start(void)
+{
+	return get_l1_data_a_start_cpu(blackfin_core_id());
+}
+static inline ulong get_l1_data_b_start(void)
+{
+	return get_l1_data_b_start_cpu(blackfin_core_id());
+}
+
+#else /* !CONFIG_SMP */
+
+static inline ulong get_l1_scratch_start_cpu(int cpu)
+{
+	return L1_SCRATCH_START;
+}
+static inline ulong get_l1_code_start_cpu(int cpu)
+{
+	return L1_CODE_START;
+}
+static inline ulong get_l1_data_a_start_cpu(int cpu)
+{
+	return L1_DATA_A_START;
+}
+static inline ulong get_l1_data_b_start_cpu(int cpu)
+{
+	return L1_DATA_B_START;
+}
+static inline ulong get_l1_scratch_start(void)
+{
+	return get_l1_scratch_start_cpu(0);
+}
+static inline ulong get_l1_code_start(void)
+{
+	return  get_l1_code_start_cpu(0);
+}
+static inline ulong get_l1_data_a_start(void)
+{
+	return get_l1_data_a_start_cpu(0);
+}
+static inline ulong get_l1_data_b_start(void)
+{
+	return get_l1_data_b_start_cpu(0);
+}
+
+#endif /* CONFIG_SMP */
+#endif /* __ASSEMBLY__ */
+
 #endif				/* _MEM_MAP_H_ */
diff --git a/arch/blackfin/include/asm/smp.h b/arch/blackfin/include/asm/smp.h
index 233cb8c3cfb..118deeeae7c 100644
--- a/arch/blackfin/include/asm/smp.h
+++ b/arch/blackfin/include/asm/smp.h
@@ -32,6 +32,8 @@
 
 #define raw_smp_processor_id()  blackfin_core_id()
 
+extern char coreb_trampoline_start, coreb_trampoline_end;
+
 struct corelock_slot {
 	int lock;
 };
diff --git a/arch/blackfin/include/asm/system.h b/arch/blackfin/include/asm/system.h
index e8bcfa4ee5c..dea92037dff 100644
--- a/arch/blackfin/include/asm/system.h
+++ b/arch/blackfin/include/asm/system.h
@@ -66,10 +66,13 @@ asmlinkage unsigned long __raw_cmpxchg_4_asm(volatile void *ptr,
 # define smp_mb()	do { barrier(); smp_check_barrier(); smp_mark_barrier(); } while (0)
 # define smp_rmb()	do { barrier(); smp_check_barrier(); } while (0)
 # define smp_wmb()	do { barrier(); smp_mark_barrier(); } while (0)
+#define smp_read_barrier_depends()	do { barrier(); smp_check_barrier(); } while (0)
+
 #else
 # define smp_mb()	barrier()
 # define smp_rmb()	barrier()
 # define smp_wmb()	barrier()
+#define smp_read_barrier_depends()	barrier()
 #endif
 
 static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
@@ -120,8 +123,6 @@ static inline unsigned long __cmpxchg(volatile void *ptr, unsigned long old,
 	((__typeof__(*(ptr)))__cmpxchg((ptr), (unsigned long)(o), \
 		(unsigned long)(n), sizeof(*(ptr))))
 
-#define smp_read_barrier_depends()	smp_check_barrier()
-
 #else /* !CONFIG_SMP */
 
 #define smp_mb()	barrier()
@@ -192,6 +193,7 @@ static inline unsigned long __xchg(unsigned long x, volatile void *ptr,
  */
 
 #include <asm/l1layout.h>
+#include <asm/mem_map.h>
 
 asmlinkage struct task_struct *resume(struct task_struct *prev, struct task_struct *next);
 
-- 
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