diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-01 19:11:38 -0700 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-10-01 19:11:38 -0700 |
commit | 9cd11c0c47b8690b47e7573311ce5c483cb344ed (patch) | |
tree | 59f51c2bb3f73b21005105095d7321d35616ca9d /arch/arm/mach-msm/platsmp.c | |
parent | b9541d94bcd2f23a069dbe84830fef1bbcd643f0 (diff) | |
parent | 1ec9c26ad0890003f2b8a4ab97164f66d5de3f6d (diff) |
Merge tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc multiplatform enablement from Olof Johansson:
"This is a pretty significant branch. It's the introduction of the
first multiplatform support on ARM, and with this (and the later
branch) merged, it is now possible to build one kernel that contains
support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
platforms will be convered over in the next few releases.
Two critical last things had to be done for this to be practical and
possible:
* Today each platform has its own include directory under
mach-<mach>/include/mach/*, and traditionally that is where a lot
of driver/platform shared definitions have gone, such as platform
data structures. They now need to move out to a common location
instead, and this branch moves a large number of those out to
include/linux/platform_data.
* Each platform used to list the device trees to compile for its
boards in mach-<mach>/Makefile.boot.
Both of the above changes will mean that there are some merge
conflicts to come (and some to resolve here). It's a one-time move
and once it settles in, we should be good for quite a while. Sorry
for the overhead."
Fix conflicts as per Olof.
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
ARM: add v7 multi-platform defconfig
ARM: msm: Move core.h contents into common.h
ARM: highbank: call highbank_pm_init from .init_machine
ARM: dtb: move all dtb targets to common Makefile
ARM: spear: move platform_data definitions
ARM: samsung: move platform_data definitions
ARM: orion: move platform_data definitions
ARM: vexpress: convert to multi-platform
ARM: initial multiplatform support
ARM: mvebu: move armada-370-xp.h in mach dir
ARM: vexpress: remove dependency on mach/* headers
ARM: picoxcell: remove dependency on mach/* headers
ARM: move all dtb targets out of Makefile.boot
ARM: picoxcell: move debug macros to include/debug
ARM: socfpga: move debug macros to include/debug
ARM: mvebu: move debug macros to include/debug
ARM: vexpress: move debug macros to include/debug
ARM: highbank: move debug macros to include/debug
ARM: move debug macros to common location
ARM: make mach/gpio.h headers optional
...
Diffstat (limited to 'arch/arm/mach-msm/platsmp.c')
-rw-r--r-- | arch/arm/mach-msm/platsmp.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/arch/arm/mach-msm/platsmp.c b/arch/arm/mach-msm/platsmp.c index 2d791e6b4ad1..7ed69b69c87c 100644 --- a/arch/arm/mach-msm/platsmp.c +++ b/arch/arm/mach-msm/platsmp.c @@ -23,17 +23,13 @@ #include <asm/smp_plat.h> #include "scm-boot.h" +#include "common.h" #define VDD_SC1_ARRAY_CLAMP_GFS_CTL 0x15A0 #define SCSS_CPU1CORE_RESET 0xD80 #define SCSS_DBG_STATUS_CORE_PWRDUP 0xE64 extern void msm_secondary_startup(void); -/* - * control for which core is the next to come out of the secondary - * boot "holding pen". - */ -volatile int pen_release = -1; static DEFINE_SPINLOCK(boot_lock); @@ -43,7 +39,7 @@ 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) { /* * if any interrupts are already enabled for the primary @@ -85,7 +81,7 @@ 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; @@ -145,7 +141,7 @@ 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(); @@ -161,6 +157,16 @@ 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 +}; |