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authorOlof Johansson <olof@lixom.net>2012-09-22 00:06:21 -0700
committerOlof Johansson <olof@lixom.net>2012-09-22 00:16:04 -0700
commit25468fe89f88c4ceeef94526e94ae0db176f6999 (patch)
treed70a713525281276b5063c814413bb3141e6056c /arch/arm/mach-realview
parenta283580c52d3aa24305985e945dfccfbcfc6f4f9 (diff)
parent28e8e29c616f947348cc66bea684d0035c76021a (diff)
downloadlinux-25468fe89f88c4ceeef94526e94ae0db176f6999.tar.gz
Merge branch 'multiplatform/smp_ops' into next/multiplatform
* multiplatform/smp_ops:
  ARM: consolidate pen_release instead of having per platform definitions
  ARM: smp: Make SMP operations mandatory
  ARM: SoC: convert spear13xx to SMP operations
  ARM: SoC: convert imx6q to SMP operations
  ARM: SoC: convert highbank to SMP operations
  ARM: SoC: convert shmobile SMP to SMP operations
  ARM: SoC: convert ux500 to SMP operations
  ARM: SoC: convert MSM to SMP operations
  ARM: SoC: convert Exynos4 to SMP operations
  ARM: SoC: convert Tegra to SMP operations
  ARM: SoC: convert OMAP4 to SMP operations
  ARM: SoC: convert VExpress/RealView to SMP operations
  ARM: SoC: add per-platform SMP operations

Conflicts due to file moves or removals in:
	arch/arm/mach-msm/board-msm8960.c
	arch/arm/mach-msm/board-msm8x60.c
	arch/arm/mach-tegra/board-harmony.c
	arch/arm/mach-tegra/board-trimslice.c

Conflicts due to board file cleanup:
	arch/arm/mach-tegra/board-paz00.c

Conflicts due to cpu hotplug addition:
	arch/arm/mach-tegra/hotplug.c

Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'arch/arm/mach-realview')
-rw-r--r--arch/arm/mach-realview/core.h3
-rw-r--r--arch/arm/mach-realview/hotplug.c18
-rw-r--r--arch/arm/mach-realview/platsmp.c18
-rw-r--r--arch/arm/mach-realview/realview_pb11mp.c1
-rw-r--r--arch/arm/mach-realview/realview_pbx.c1
5 files changed, 20 insertions, 21 deletions
diff --git a/arch/arm/mach-realview/core.h b/arch/arm/mach-realview/core.h
index f8f2c0ac4c01..78cd970c80f2 100644
--- a/arch/arm/mach-realview/core.h
+++ b/arch/arm/mach-realview/core.h
@@ -56,4 +56,7 @@ extern void realview_init_early(void);
 extern void realview_fixup(struct tag *tags, char **from,
 			   struct meminfo *meminfo);
 
+extern struct smp_operations realview_smp_ops;
+extern void realview_cpu_die(unsigned int cpu);
+
 #endif
diff --git a/arch/arm/mach-realview/hotplug.c b/arch/arm/mach-realview/hotplug.c
index 57d9efba2956..53818e5cd3ad 100644
--- a/arch/arm/mach-realview/hotplug.c
+++ b/arch/arm/mach-realview/hotplug.c
@@ -16,8 +16,6 @@
 #include <asm/cp15.h>
 #include <asm/smp_plat.h>
 
-extern volatile int pen_release;
-
 static inline void cpu_enter_lowpower(void)
 {
 	unsigned int v;
@@ -89,17 +87,12 @@ static inline void platform_do_lowpower(unsigned int cpu, int *spurious)
 	}
 }
 
-int platform_cpu_kill(unsigned int cpu)
-{
-	return 1;
-}
-
 /*
  * platform-specific code to shutdown a CPU
  *
  * Called with IRQs disabled
  */
-void platform_cpu_die(unsigned int cpu)
+void __ref realview_cpu_die(unsigned int cpu)
 {
 	int spurious = 0;
 
@@ -118,12 +111,3 @@ void platform_cpu_die(unsigned int cpu)
 	if (spurious)
 		pr_warn("CPU%u: %u spurious wakeup calls\n", cpu, spurious);
 }
-
-int platform_cpu_disable(unsigned int cpu)
-{
-	/*
-	 * we don't allow CPU 0 to be shutdown (it is still too special
-	 * e.g. clock tick interrupts)
-	 */
-	return cpu == 0 ? -EPERM : 0;
-}
diff --git a/arch/arm/mach-realview/platsmp.c b/arch/arm/mach-realview/platsmp.c
index 17c878ddbc70..300f7064465d 100644
--- a/arch/arm/mach-realview/platsmp.c
+++ b/arch/arm/mach-realview/platsmp.c
@@ -22,9 +22,9 @@
 #include <mach/board-pb11mp.h>
 #include <mach/board-pbx.h>
 
-#include "core.h"
+#include <plat/platsmp.h>
 
-extern void versatile_secondary_startup(void);
+#include "core.h"
 
 static void __iomem *scu_base_addr(void)
 {
@@ -43,7 +43,7 @@ static void __iomem *scu_base_addr(void)
  * Initialise the CPU possible map early - this describes the CPUs
  * which may be present or become present in the system.
  */
-void __init smp_init_cpus(void)
+static void __init realview_smp_init_cpus(void)
 {
 	void __iomem *scu_base = scu_base_addr();
 	unsigned int i, ncores;
@@ -63,7 +63,7 @@ void __init smp_init_cpus(void)
 	set_smp_cross_call(gic_raise_softirq);
 }
 
-void __init platform_smp_prepare_cpus(unsigned int max_cpus)
+static void __init realview_smp_prepare_cpus(unsigned int max_cpus)
 {
 
 	scu_enable(scu_base_addr());
@@ -77,3 +77,13 @@ void __init platform_smp_prepare_cpus(unsigned int max_cpus)
 	__raw_writel(virt_to_phys(versatile_secondary_startup),
 		     __io_address(REALVIEW_SYS_FLAGSSET));
 }
+
+struct smp_operations realview_smp_ops __initdata = {
+	.smp_init_cpus		= realview_smp_init_cpus,
+	.smp_prepare_cpus	= realview_smp_prepare_cpus,
+	.smp_secondary_init	= versatile_secondary_init,
+	.smp_boot_secondary	= versatile_boot_secondary,
+#ifdef CONFIG_HOTPLUG_CPU
+	.cpu_die		= realview_cpu_die,
+#endif
+};
diff --git a/arch/arm/mach-realview/realview_pb11mp.c b/arch/arm/mach-realview/realview_pb11mp.c
index b442fb276d57..a80269981dd4 100644
--- a/arch/arm/mach-realview/realview_pb11mp.c
+++ b/arch/arm/mach-realview/realview_pb11mp.c
@@ -367,6 +367,7 @@ static void __init realview_pb11mp_init(void)
 MACHINE_START(REALVIEW_PB11MP, "ARM-RealView PB11MPCore")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
 	.atag_offset	= 0x100,
+	.smp		= smp_ops(realview_smp_ops),
 	.fixup		= realview_fixup,
 	.map_io		= realview_pb11mp_map_io,
 	.init_early	= realview_init_early,
diff --git a/arch/arm/mach-realview/realview_pbx.c b/arch/arm/mach-realview/realview_pbx.c
index 5d2c8bebb069..a4b1aa93bb5a 100644
--- a/arch/arm/mach-realview/realview_pbx.c
+++ b/arch/arm/mach-realview/realview_pbx.c
@@ -404,6 +404,7 @@ static void __init realview_pbx_init(void)
 MACHINE_START(REALVIEW_PBX, "ARM-RealView PBX")
 	/* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
 	.atag_offset	= 0x100,
+	.smp		= smp_ops(realview_smp_ops),
 	.fixup		= realview_pbx_fixup,
 	.map_io		= realview_pbx_map_io,
 	.init_early	= realview_init_early,