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Date: Sun, 15 Nov 2015 08:50:02 +0100 (CET) From: Thomas Gleixner <tglx@...utronix.de> To: Linus Torvalds <torvalds@...ux-foundation.org> cc: LKML <linux-kernel@...r.kernel.org>, Andrew Morton <akpm@...ux-foundation.org>, Ingo Molnar <mingo@...nel.org>, "H. Peter Anvin" <hpa@...or.com> Subject: [GIT pull] irq updates for 4.4 Linus, please pull the latest irq-urgent-for-linus git tree from: git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git irq-urgent-for-linus A single regression fix to restore the wakeup behaviour of chained interrupts. Thanks, tglx ------------------> Grygorii Strashko (1): genirq/PM: Restore system wake up from chained interrupts kernel/irq/internals.h | 5 +++++ kernel/irq/pm.c | 3 ++- kernel/irq/proc.c | 2 +- 3 files changed, 8 insertions(+), 2 deletions(-) diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index 05c2188271b8..fcab63c66905 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -199,6 +199,11 @@ static inline int irq_desc_get_node(struct irq_desc *desc) return irq_common_data_get_node(&desc->irq_common_data); } +static inline int irq_desc_is_chained(struct irq_desc *desc) +{ + return (desc->action && desc->action == &chained_action); +} + #ifdef CONFIG_PM_SLEEP bool irq_pm_check_wakeup(struct irq_desc *desc); void irq_pm_install_action(struct irq_desc *desc, struct irqaction *action); diff --git a/kernel/irq/pm.c b/kernel/irq/pm.c index 21c62617a35a..84ab239a00e2 100644 --- a/kernel/irq/pm.c +++ b/kernel/irq/pm.c @@ -70,7 +70,8 @@ void irq_pm_remove_action(struct irq_desc *desc, struct irqaction *action) static bool suspend_device_irq(struct irq_desc *desc) { - if (!desc->action || desc->no_suspend_depth) + if (!desc->action || irq_desc_is_chained(desc) || + desc->no_suspend_depth) return false; if (irqd_is_wakeup_set(&desc->irq_data)) { diff --git a/kernel/irq/proc.c b/kernel/irq/proc.c index a916cf144b65..a2c02fd5d6d0 100644 --- a/kernel/irq/proc.c +++ b/kernel/irq/proc.c @@ -475,7 +475,7 @@ int show_interrupts(struct seq_file *p, void *v) for_each_online_cpu(j) any_count |= kstat_irqs_cpu(i, j); action = desc->action; - if ((!action || action == &chained_action) && !any_count) + if ((!action || irq_desc_is_chained(desc)) && !any_count) goto out; seq_printf(p, "%*d: ", prec, i); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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