From f63b6a05f2b11537612266a8b27a61f412344a1d Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 7 May 2014 15:44:21 +0000 Subject: [PATCH] genirq: Replace reserve_irqs in core code We want to get rid of the public interface. Signed-off-by: Thomas Gleixner Reviewed-by: Grant Likely Tested-by: Tony Luck Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20140507154340.061990194@linutronix.de Signed-off-by: Thomas Gleixner --- kernel/irq/chip.c | 5 ++--- kernel/irq/internals.h | 6 ++++++ kernel/irq/irqdesc.c | 7 +++++++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 6397df2d6945..a2b28a2fd7b1 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -40,10 +40,9 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) irq_put_desc_unlock(desc, flags); /* * For !CONFIG_SPARSE_IRQ make the irq show up in - * allocated_irqs. For the CONFIG_SPARSE_IRQ case, it is - * already marked, and this call is harmless. + * allocated_irqs. */ - irq_reserve_irq(irq); + irq_mark_irq(irq); return 0; } EXPORT_SYMBOL(irq_set_chip); diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index ddf1ffeb79f1..c4065e3edbc3 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -76,6 +76,12 @@ extern void mask_irq(struct irq_desc *desc); extern void unmask_irq(struct irq_desc *desc); extern void unmask_threaded_irq(struct irq_desc *desc); +#ifdef CONFIG_SPARSE_IRQ +static inline void irq_mark_irq(unsigned int irq) { } +#else +extern void irq_mark_irq(unsigned int irq); +#endif + extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index f388ade5e792..24029348729b 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -299,6 +299,13 @@ static int irq_expand_nr_irqs(unsigned int nr) return -ENOMEM; } +void irq_mark_irq(unsigned int irq) +{ + mutex_lock(&sparse_irq_lock); + bitmap_set(allocated_irqs, irq, 1); + mutex_unlock(&sparse_irq_lock); +} + #endif /* !CONFIG_SPARSE_IRQ */ /** -- GitLab