[RFC PATCH v3 3/4] arm64: smp: move the pen to a header file

Kumar Gala
2015-04-10T20:43:24Z

From: Abhimanyu Kapur <abhimany@codeaurora.org>

Move the secondary_pen_release variable and the secondary_holding_pen
entry function to asm/smp_plat.h so that the other cpu ops implementations
can share them.

Signed-off-by: Abhimanyu Kapur <abhimany@codeaurora.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>
---
arch/arm64/include/asm/smp_plat.h | 2 ++
arch/arm64/kernel/smp.c | 1 +
arch/arm64/kernel/smp_spin_table.c | 3 ---
3 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/include/asm/smp_plat.h b/arch/arm64/include/asm/smp_plat.h
index 59e2823..235ff04 100644
--- a/arch/arm64/include/asm/smp_plat.h
+++ b/arch/arm64/include/asm/smp_plat.h
@@ -34,10 +34,12 @@ static inline u32 mpidr_hash_size(void)
return 1 << mpidr_hash.bits;
}

+extern void secondary_holding_pen(void);
/*
* Logical CPU mapping.
*/
extern u64 __cpu_logical_map[NR_CPUS];
#define cpu_logical_map(cpu) __cpu_logical_map[cpu]
+extern volatile unsigned long secondary_holding_pen_release;

#endif /* __ASM_SMP_PLAT_H */
diff --git a/arch/arm64/kernel/smp.c b/arch/arm64/kernel/smp.c
index 328b8ce..4ce1f23 100644
--- a/arch/arm64/kernel/smp.c
+++ b/arch/arm64/kernel/smp.c
@@ -61,6 +61,7 @@
* where to place its SVC stack
*/
struct secondary_data secondary_data;
+volatile unsigned long secondary_holding_pen_release = INVALID_HWID;

enum ipi_msg_type {
IPI_RESCHEDULE,
diff --git a/arch/arm64/kernel/smp_spin_table.c b/arch/arm64/kernel/smp_spin_table.c
index 14944e5..808536e 100644
--- a/arch/arm64/kernel/smp_spin_table.c
+++ b/arch/arm64/kernel/smp_spin_table.c
@@ -28,9 +28,6 @@
#include <asm/io.h>
#include <asm/smp_plat.h>

-extern void secondary_holding_pen(void);
-volatile unsigned long secondary_holding_pen_release = INVALID_HWID;
-
static phys_addr_t cpu_release_addr[NR_CPUS];

/*