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Commit 0c2cb004 authored by Paul Burton's avatar Paul Burton Committed by Ralf Baechle
Browse files

MIPS: smp-mt: Use common GIC IPI implementation 



Rather than duplicating the GIC IPI send function, share the one already
used by CONFIG_MIPS_CPS & CONFIG_MIPS_CMP.

Signed-off-by: default avatarPaul Burton <paul.burton@imgtec.com>
Cc: linux-mips@linux-mips.org
Cc: Paul Burton <paul.burton@imgtec.com>
Patchwork: https://patchwork.linux-mips.org/patch/6653/


Signed-off-by: default avatarRalf Baechle <ralf@linux-mips.org>
parent f0cff5c8

arch/mips/Kconfig

+1 −0
Original line number Original line Diff line number Diff line
@@ -1918,6 +1918,7 @@ config MIPS_MT_SMP 
	select CPU_MIPSR2_IRQ_VI

	select CPU_MIPSR2_IRQ_VI

	select CPU_MIPSR2_IRQ_EI

	select CPU_MIPSR2_IRQ_EI

	select SYNC_R4K

	select SYNC_R4K

	select MIPS_GIC_IPI

	select MIPS_MT

	select MIPS_MT

	select SMP

	select SMP

	select SMP_UP

	select SMP_UP

arch/mips/kernel/smp-mt.c

+1 −22
Original line number Original line Diff line number Diff line
@@ -113,27 +113,6 @@ static void __init smvp_tc_init(unsigned int tc, unsigned int mvpconf0) 
	write_tc_c0_tchalt(TCHALT_H);

	write_tc_c0_tchalt(TCHALT_H);

}

}





#ifdef CONFIG_IRQ_GIC

static void mp_send_ipi_single(int cpu, unsigned int action)

{

	unsigned long flags;



	local_irq_save(flags);



	switch (action) {

	case SMP_CALL_FUNCTION:

		gic_send_ipi(plat_ipi_call_int_xlate(cpu));

		break;



	case SMP_RESCHEDULE_YOURSELF:

		gic_send_ipi(plat_ipi_resched_int_xlate(cpu));

		break;

	}



	local_irq_restore(flags);

}

#endif



static void vsmp_send_ipi_single(int cpu, unsigned int action)

static void vsmp_send_ipi_single(int cpu, unsigned int action)

{

{

	int i;

	int i;
@@ -142,7 +121,7 @@ static void vsmp_send_ipi_single(int cpu, unsigned int action) 




#ifdef CONFIG_IRQ_GIC

#ifdef CONFIG_IRQ_GIC

	if (gic_present) {

	if (gic_present) {

		mp_send_ipi_single(cpu, action);

		gic_send_ipi_single(cpu, action);

		return;

		return;

	}

	}

#endif

#endif