Greg Kroah-Hartman
598cf27219
Link: https://lore.kernel.org/r/20260217200002.683975158@linuxfoundation.org Tested-by: Florian Fainelli <florian.fainelli@broadcom.com> Tested-by: Takeshi Ogasawara <takeshi.ogasawara@futuring-girl.com> Tested-by: Peter Schneider <pschneider1968@googlemail.com> Tested-by: Jon Hunter <jonathanh@nvidia.com> Tested-by: Salvatore Bonaccorso <carnil@debian.org> Tested-by: Brett A C Sheffield <bacs@librecast.net> Tested-by: Mark Brown <broonie@kernel.org> Tested-by: Luna Jernberg <droidbittin@gmail.com> Tested-by: Ronald Warsow <rwarsow@gmx.de> Tested-by: Justin M. Forbes <jforbes@fedoraproject.org> Tested-by: Ron Economos <re@w6rz.net> Tested-by: Miguel Ojeda <ojeda@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
32 lines
640 B
C
32 lines
640 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Shared support for SH-X3 interrupt controllers.
|
|
*
|
|
* Copyright (C) 2009 - 2010 Paul Mundt
|
|
*/
|
|
#include <linux/irq.h>
|
|
#include <linux/io.h>
|
|
#include <linux/init.h>
|
|
|
|
#define INTACK 0xfe4100b8
|
|
#define INTACKCLR 0xfe4100bc
|
|
#define INTC_USERIMASK 0xfe411000
|
|
|
|
#ifdef CONFIG_INTC_BALANCING
|
|
unsigned int irq_lookup(unsigned int irq)
|
|
{
|
|
return __raw_readl(INTACK) & 1 ? irq : NO_IRQ_IGNORE;
|
|
}
|
|
|
|
void irq_finish(unsigned int irq)
|
|
{
|
|
__raw_writel(irq2evt(irq), INTACKCLR);
|
|
}
|
|
#endif
|
|
|
|
static int __init shx3_irq_setup(void)
|
|
{
|
|
return register_intc_userimask(INTC_USERIMASK);
|
|
}
|
|
arch_initcall(shx3_irq_setup);
|