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ARC: [SMP] IPI ACK interface doesn't need "self" cpu-id

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The interface is confusing, it feels like we are getting "sender" info,
whereas it is the "receiver", which can very well be retrived by
smp_processor_id(), if need be.

Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
This commit is contained in:
Vineet Gupta 2013-11-25 14:37:14 +05:30
parent ddf84433f4
commit ccdaa6e0c8
3 changed files with 5 additions and 5 deletions
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4
arch/arc/include/asm/smp.h
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@ -47,13 +47,13 @@ extern int smp_ipi_irq_setup(int cpu, int irq);
* @info: SoC SMP specific info for /proc/cpuinfo etc
* @cpu_kick: For Master to kickstart a cpu (optionally at a PC)
* @ipi_send: To send IPI to a @cpu
* @ips_clear: To clear IPI received by @cpu at @irq
* @ips_clear: To clear IPI received at @irq
*/
struct plat_smp_ops {
const char *info;
void (*cpu_kick)(int cpu, unsigned long pc);
void (*ipi_send)(int cpu);
void (*ipi_clear)(int cpu, int irq);
void (*ipi_clear)(int irq);
};
/* TBD: stop exporting it for direct population by platform */

2
arch/arc/kernel/smp.c
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@ -310,7 +310,7 @@ irqreturn_t do_IPI(int irq, void *dev_id)
unsigned long ops;
if (plat_smp_ops.ipi_clear)
plat_smp_ops.ipi_clear(cpu, irq);
plat_smp_ops.ipi_clear(irq);
/*
* XXX: is this loop really needed

4
arch/arc/plat-arcfpga/smp.c
View File

@ -93,9 +93,9 @@ static void iss_model_ipi_send(int cpu)
idu_irq_assert(cpu);
}
static void iss_model_ipi_clear(int cpu, int irq)
static void iss_model_ipi_clear(int irq)
{
idu_irq_clear(IDU_INTERRUPT_0 + cpu);
idu_irq_clear(IDU_INTERRUPT_0 + smp_processor_id());
}
void iss_model_init_early_smp(void)