mirror of
https://github.com/torvalds/linux.git
synced 2024-12-17 00:21:32 +00:00
ad3b6993b9
This allows us to use smp_cross_call() to trigger a number of different software generated interrupts, rather than combining them all on one SGI. Recover the SGI number via do_IPI. Reviewed-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
26 lines
626 B
C
26 lines
626 B
C
/*
|
|
* This file is based ARM realview platform.
|
|
* Copyright (C) ARM Limited.
|
|
*
|
|
* This file is licensed under the terms of the GNU General Public
|
|
* License version 2. This program is licensed "as is" without any
|
|
* warranty of any kind, whether express or implied.
|
|
*/
|
|
#ifndef ASMARM_ARCH_SMP_H
|
|
#define ASMARM_ARCH_SMP_H
|
|
|
|
#include <asm/hardware/gic.h>
|
|
#include <asm/smp_mpidr.h>
|
|
|
|
/* This is required to wakeup the secondary core */
|
|
extern void u8500_secondary_startup(void);
|
|
|
|
/*
|
|
* We use IRQ1 as the IPI
|
|
*/
|
|
static inline void smp_cross_call(const struct cpumask *mask, int ipi)
|
|
{
|
|
gic_raise_softirq(mask, ipi);
|
|
}
|
|
#endif
|