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- "Levin, Alexander (Sasha Levin)"
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Patch in this message | | | From | "Levin, Alexander (Sasha Levin)" <> | Subject | [PATCH for v4.9 LTS 21/87] irqchip/mxs: Enable SKIP_SET_WAKE and MASK_ON_SUSPEND | Date | Sat, 15 Jul 2017 01:26:04 +0000 |
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From: Stefan Wahren <stefan.wahren@i2se.com>
[ Upstream commit 88e20c74ee020f9e0c99dfce0dd9aa61c3f0cca0 ]
The ICOLL controller doesn't provide any facility to configure the wakeup sources. That's the reason why this implementation lacks the irq_set_wake implementation. But this prevent us from properly entering power management states like "suspend to idle".
So enable the flags IRQCHIP_SKIP_SET_WAKE and IRQCHIP_MASK_ON_SUSPEND to let the irqchip core allows and handles the power management.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com> Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com> Link: https://lkml.kernel.org/r/1482863397-11400-1-git-send-email-stefan.wahren@i2se.com Signed-off-by: Jason Cooper <jason@lakedaemon.net> Signed-off-by: Sasha Levin <alexander.levin@verizon.com> --- drivers/irqchip/irq-mxs.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/irqchip/irq-mxs.c b/drivers/irqchip/irq-mxs.c index 17304705f2cf..05fa9f7af53c 100644 --- a/drivers/irqchip/irq-mxs.c +++ b/drivers/irqchip/irq-mxs.c @@ -131,12 +131,16 @@ static struct irq_chip mxs_icoll_chip = { .irq_ack = icoll_ack_irq, .irq_mask = icoll_mask_irq, .irq_unmask = icoll_unmask_irq, + .flags = IRQCHIP_MASK_ON_SUSPEND | + IRQCHIP_SKIP_SET_WAKE, }; static struct irq_chip asm9260_icoll_chip = { .irq_ack = icoll_ack_irq, .irq_mask = asm9260_mask_irq, .irq_unmask = asm9260_unmask_irq, + .flags = IRQCHIP_MASK_ON_SUSPEND | + IRQCHIP_SKIP_SET_WAKE, }; asmlinkage void __exception_irq_entry icoll_handle_irq(struct pt_regs *regs) -- 2.11.0
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