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| author |   Thomas Gleixner <tglx@linutronix.de> | 2014-05-07 15:44:21 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-05-16 14:05:22 +0200 |
| commit | f63b6a05f2b11537612266a8b27a61f412344a1d (patch) | |
| tree | 143db649e58c3c6b45cda00a8a9c5ee947a11755 /kernel | |
| parent | s390: Avoid call to irq_reserve_irqs() (diff) | |
| download | wireguard-linux-f63b6a05f2b11537612266a8b27a61f412344a1d.tar.xz wireguard-linux-f63b6a05f2b11537612266a8b27a61f412344a1d.zip | |
genirq: Replace reserve_irqs in core code
We want to get rid of the public interface.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Tested-by: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/20140507154340.061990194@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/irq/chip.c | 5 | ||||
| -rw-r--r-- | kernel/irq/internals.h | 6 | ||||
| -rw-r--r-- | 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 */ /** |