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| author | Soren Brinkmann <soren.brinkmann@xilinx.com> | 2014-09-02 14:19:13 -0700 |
|---|---|---|
| committer | Michal Simek <michal.simek@xilinx.com> | 2014-09-16 12:55:10 +0200 |
| commit | caf86a73eab4132f870e883216850d9eee40b04b (patch) | |
| tree | eef994b37bfb32e88251724d6ee8f1cc9d49369e /arch/arm/mach-zynq | |
| parent | 50c7960a4517d6c93226351cd8c43c86f104c919 (diff) | |
| download | linux-stable-caf86a73eab4132f870e883216850d9eee40b04b.tar.gz linux-stable-caf86a73eab4132f870e883216850d9eee40b04b.tar.bz2 linux-stable-caf86a73eab4132f870e883216850d9eee40b04b.zip | |
ARM: zynq: Remove hotplug.c
The hotplug code contains only a single function, which is an SMP
function. Move that to platsmp.c where all other SMP runctions reside.
That allows removing hotplug.c and declaring the cpu_die function
static.
Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'arch/arm/mach-zynq')
| -rw-r--r-- | arch/arm/mach-zynq/Makefile | 1 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/common.h | 3 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/hotplug.c | 17 | ||||
| -rw-r--r-- | arch/arm/mach-zynq/platsmp.c | 18 |
4 files changed, 18 insertions, 21 deletions
diff --git a/arch/arm/mach-zynq/Makefile b/arch/arm/mach-zynq/Makefile index 820dff6e1eba..c85fb3f7d5cd 100644 --- a/arch/arm/mach-zynq/Makefile +++ b/arch/arm/mach-zynq/Makefile @@ -6,5 +6,4 @@ obj-y := common.o slcr.o pm.o CFLAGS_REMOVE_hotplug.o =-march=armv6k CFLAGS_hotplug.o =-Wa,-march=armv7-a -mcpu=cortex-a9 -obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o obj-$(CONFIG_SMP) += headsmp.o platsmp.o diff --git a/arch/arm/mach-zynq/common.h b/arch/arm/mach-zynq/common.h index 24d6340d3fb6..2bc71273c73c 100644 --- a/arch/arm/mach-zynq/common.h +++ b/arch/arm/mach-zynq/common.h @@ -39,9 +39,6 @@ extern struct smp_operations zynq_smp_ops __initdata; extern void __iomem *zynq_scu_base; -/* Hotplug */ -extern void zynq_platform_cpu_die(unsigned int cpu); - void zynq_pm_late_init(void); static inline void zynq_core_pm_init(void) diff --git a/arch/arm/mach-zynq/hotplug.c b/arch/arm/mach-zynq/hotplug.c index fe44a05677e2..b685c89f11e4 100644 --- a/arch/arm/mach-zynq/hotplug.c +++ b/arch/arm/mach-zynq/hotplug.c @@ -12,20 +12,3 @@ */ #include <asm/proc-fns.h> -/* - * platform-specific code to shutdown a CPU - * - * Called with IRQs disabled - */ -void zynq_platform_cpu_die(unsigned int cpu) -{ - zynq_slcr_cpu_state_write(cpu, true); - - /* - * there is no power-control hardware on this platform, so all - * we can do is put the core into WFI; this is safe as the calling - * code will have already disabled interrupts - */ - for (;;) - cpu_do_idle(); -} diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c index 06415eeba7e6..f722b5a83a45 100644 --- a/arch/arm/mach-zynq/platsmp.c +++ b/arch/arm/mach-zynq/platsmp.c @@ -136,6 +136,24 @@ static int zynq_cpu_kill(unsigned cpu) zynq_slcr_cpu_stop(cpu); return 1; } + +/* + * platform-specific code to shutdown a CPU + * + * Called with IRQs disabled + */ +static void zynq_platform_cpu_die(unsigned int cpu) +{ + zynq_slcr_cpu_state_write(cpu, true); + + /* + * there is no power-control hardware on this platform, so all + * we can do is put the core into WFI; this is safe as the calling + * code will have already disabled interrupts + */ + for (;;) + cpu_do_idle(); +} #endif struct smp_operations zynq_smp_ops __initdata = { |