From 038cc7039f07b1602b373255b007f26c1f4532e6 Mon Sep 17 00:00:00 2001 From: Marc Zyngier Date: Thu, 8 Sep 2011 13:15:22 +0100 Subject: [PATCH] --- yaml --- r: 327119 b: refs/heads/master c: 44ea349f5b7e0b4865de9ca6b4437c746eede40c h: refs/heads/master i: 327117: 0e842ae29231a8b5c9e4ba7af5433e32d894cb55 327115: 15e8b018c1584dd74ffff4dbed2f35e6a68374c4 327111: 9d2899252c283088c0bb1811d71f6c4a1a3cefef 327103: 88dbcc53a3ea35f8fee2f998045200dd57a0d4b0 v: v3 --- [refs] | 2 +- trunk/arch/arm/mach-msm/board-msm8960.c | 3 +++ trunk/arch/arm/mach-msm/board-msm8x60.c | 7 +++++++ trunk/arch/arm/mach-msm/core.h | 2 ++ trunk/arch/arm/mach-msm/hotplug.c | 18 +++--------------- trunk/arch/arm/mach-msm/platsmp.c | 19 +++++++++++++++---- 6 files changed, 31 insertions(+), 20 deletions(-) create mode 100644 trunk/arch/arm/mach-msm/core.h diff --git a/[refs] b/[refs] index f7318e70d983..22c8558049d4 100644 --- a/[refs] +++ b/[refs] @@ -1,2 +1,2 @@ --- -refs/heads/master: 06853ae475e1386d6d11d139ba7bf2c97b3d1768 +refs/heads/master: 44ea349f5b7e0b4865de9ca6b4437c746eede40c diff --git a/trunk/arch/arm/mach-msm/board-msm8960.c b/trunk/arch/arm/mach-msm/board-msm8960.c index 65f4a1daa2e5..a1569681df7d 100644 --- a/trunk/arch/arm/mach-msm/board-msm8960.c +++ b/trunk/arch/arm/mach-msm/board-msm8960.c @@ -30,6 +30,7 @@ #include #include +#include "core.h" #include "devices.h" static void __init msm8960_fixup(struct tag *tag, char **cmdline, @@ -99,6 +100,7 @@ static void __init msm8960_init_late(void) } MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR") + .smp = smp_ops(msm_smp_ops), .fixup = msm8960_fixup, .reserve = msm8960_reserve, .map_io = msm8960_map_io, @@ -110,6 +112,7 @@ MACHINE_START(MSM8960_SIM, "QCT MSM8960 SIMULATOR") MACHINE_END MACHINE_START(MSM8960_RUMI3, "QCT MSM8960 RUMI3") + .smp = smp_ops(msm_smp_ops), .fixup = msm8960_fixup, .reserve = msm8960_reserve, .map_io = msm8960_map_io, diff --git a/trunk/arch/arm/mach-msm/board-msm8x60.c b/trunk/arch/arm/mach-msm/board-msm8x60.c index e37a724cd1eb..dc2abd341dab 100644 --- a/trunk/arch/arm/mach-msm/board-msm8x60.c +++ b/trunk/arch/arm/mach-msm/board-msm8x60.c @@ -29,6 +29,8 @@ #include #include +#include "core.h" + static void __init msm8x60_fixup(struct tag *tag, char **cmdline, struct meminfo *mi) { @@ -110,6 +112,7 @@ static const char *msm8x60_fluid_match[] __initdata = { #endif /* CONFIG_OF */ MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") + .smp = smp_ops(msm_smp_ops), .fixup = msm8x60_fixup, .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, @@ -121,6 +124,7 @@ MACHINE_START(MSM8X60_RUMI3, "QCT MSM8X60 RUMI3") MACHINE_END MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") + .smp = smp_ops(msm_smp_ops), .fixup = msm8x60_fixup, .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, @@ -132,6 +136,7 @@ MACHINE_START(MSM8X60_SURF, "QCT MSM8X60 SURF") MACHINE_END MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") + .smp = smp_ops(msm_smp_ops), .fixup = msm8x60_fixup, .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, @@ -143,6 +148,7 @@ MACHINE_START(MSM8X60_SIM, "QCT MSM8X60 SIMULATOR") MACHINE_END MACHINE_START(MSM8X60_FFA, "QCT MSM8X60 FFA") + .smp = smp_ops(msm_smp_ops), .fixup = msm8x60_fixup, .reserve = msm8x60_reserve, .map_io = msm8x60_map_io, @@ -156,6 +162,7 @@ MACHINE_END #ifdef CONFIG_OF /* TODO: General device tree support for all MSM. */ DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)") + .smp = smp_ops(msm_smp_ops), .map_io = msm8x60_map_io, .init_irq = msm8x60_init_irq, .init_machine = msm8x60_dt_init, diff --git a/trunk/arch/arm/mach-msm/core.h b/trunk/arch/arm/mach-msm/core.h new file mode 100644 index 000000000000..a9bab53dddf4 --- /dev/null +++ b/trunk/arch/arm/mach-msm/core.h @@ -0,0 +1,2 @@ +extern struct smp_operations msm_smp_ops; +extern void msm_cpu_die(unsigned int cpu); diff --git a/trunk/arch/arm/mach-msm/hotplug.c b/trunk/arch/arm/mach-msm/hotplug.c index a446fc14221f..fedaa25b2935 100644 --- a/trunk/arch/arm/mach-msm/hotplug.c +++ b/trunk/arch/arm/mach-msm/hotplug.c @@ -13,6 +13,8 @@ #include #include +#include "core.h" + extern volatile int pen_release; static inline void cpu_enter_lowpower(void) @@ -57,17 +59,12 @@ static inline void platform_do_lowpower(unsigned int cpu) } } -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 msm_cpu_die(unsigned int cpu) { /* * we're ready for shutdown now, so do it @@ -81,12 +78,3 @@ void platform_cpu_die(unsigned int cpu) */ cpu_leave_lowpower(); } - -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/trunk/arch/arm/mach-msm/platsmp.c b/trunk/arch/arm/mach-msm/platsmp.c index e012dc8391cf..ba3c4b0d523d 100644 --- a/trunk/arch/arm/mach-msm/platsmp.c +++ b/trunk/arch/arm/mach-msm/platsmp.c @@ -25,6 +25,7 @@ #include #include "scm-boot.h" +#include "core.h" #define VDD_SC1_ARRAY_CLAMP_GFS_CTL 0x15A0 #define SCSS_CPU1CORE_RESET 0xD80 @@ -48,7 +49,7 @@ static inline int get_core_count(void) return ((read_cpuid_id() >> 4) & 3) + 1; } -void __cpuinit platform_secondary_init(unsigned int cpu) +static void __cpuinit msm_secondary_init(unsigned int cpu) { /* Configure edge-triggered PPIs */ writel(GIC_PPI_EDGE_MASK, MSM_QGIC_DIST_BASE + GIC_DIST_CONFIG + 4); @@ -93,7 +94,7 @@ static __cpuinit void prepare_cold_cpu(unsigned int cpu) "address\n"); } -int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) +static int __cpuinit msm_boot_secondary(unsigned int cpu, struct task_struct *idle) { unsigned long timeout; static int cold_boot_done; @@ -153,7 +154,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) * does not support the ARM SCU, so just set the possible cpu mask to * NR_CPUS. */ -void __init smp_init_cpus(void) +static void __init msm_smp_init_cpus(void) { unsigned int i, ncores = get_core_count(); @@ -169,6 +170,16 @@ 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 msm_smp_prepare_cpus(unsigned int max_cpus) { } + +struct smp_operations msm_smp_ops __initdata = { + .smp_init_cpus = msm_smp_init_cpus, + .smp_prepare_cpus = msm_smp_prepare_cpus, + .smp_secondary_init = msm_secondary_init, + .smp_boot_secondary = msm_boot_secondary, +#ifdef CONFIG_HOTPLUG_CPU + .cpu_die = msm_cpu_die, +#endif +};