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| author | Vineet Gupta <vgupta@synopsys.com> | 2013-11-25 09:07:14 (GMT) |
|---|---|---|
| committer | Vineet Gupta <vgupta@synopsys.com> | 2013-12-23 06:35:04 (GMT) |
| commit | ccdaa6e0c86d8f48bf87439e4d6942b7a3e58899 (patch) | |
| tree | 6dab9bddf9d3b1abeffe72ce42ac33ba0d409f6d | |
| parent | ddf84433f411b612e935a6719ee395bb9dd2221f (diff) | |
| download | linux-ccdaa6e0c86d8f48bf87439e4d6942b7a3e58899.tar.xz | |
ARC: [SMP] IPI ACK interface doesn't need "self" cpu-id
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>
| -rw-r--r-- | arch/arc/include/asm/smp.h | 4 | ||||
| -rw-r--r-- | arch/arc/kernel/smp.c | 2 | ||||
| -rw-r--r-- | arch/arc/plat-arcfpga/smp.c | 4 |
3 files changed, 5 insertions, 5 deletions
diff --git a/arch/arc/include/asm/smp.h b/arch/arc/include/asm/smp.h index 9b40e3b..5d06eee 100644 --- a/arch/arc/include/asm/smp.h +++ b/arch/arc/include/asm/smp.h @@ -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 */ diff --git a/arch/arc/kernel/smp.c b/arch/arc/kernel/smp.c index f2fdef9..9f771b5 100644 --- a/arch/arc/kernel/smp.c +++ b/arch/arc/kernel/smp.c @@ -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 diff --git a/arch/arc/plat-arcfpga/smp.c b/arch/arc/plat-arcfpga/smp.c index 5e4fe95..8a12741 100644 --- a/arch/arc/plat-arcfpga/smp.c +++ b/arch/arc/plat-arcfpga/smp.c @@ -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) |