diff options
| 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 | 1d008353ba088fdec0b2a944e140ff9154a5fb20 (patch) | |
| tree | dc199759d22e5178d9fa4ee4b12c445b1523c9f5 /kernel/irq | |
| parent | genirq: Replace reserve_irqs in core code (diff) | |
| download | linux-dev-1d008353ba088fdec0b2a944e140ff9154a5fb20.tar.xz linux-dev-1d008353ba088fdec0b2a944e140ff9154a5fb20.zip | |
genirq: Remove irq_reserve_irq[s]
No more users. And it's not going to come back. If you need
hotplugable irq chips, use irq domains.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-and-acked-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/20140507154340.302183048@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'kernel/irq')
| -rw-r--r-- | kernel/irq/irqdesc.c | 25 |
1 files changed, 0 insertions, 25 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index 24029348729b..d514ed6080e1 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -455,31 +455,6 @@ EXPORT_SYMBOL_GPL(irq_free_hwirqs); #endif /** - * irq_reserve_irqs - mark irqs allocated - * @from: mark from irq number - * @cnt: number of irqs to mark - * - * Returns 0 on success or an appropriate error code - */ -int irq_reserve_irqs(unsigned int from, unsigned int cnt) -{ - unsigned int start; - int ret = 0; - - if (!cnt || (from + cnt) > nr_irqs) - return -EINVAL; - - mutex_lock(&sparse_irq_lock); - start = bitmap_find_next_zero_area(allocated_irqs, nr_irqs, from, cnt, 0); - if (start == from) - bitmap_set(allocated_irqs, start, cnt); - else - ret = -EEXIST; - mutex_unlock(&sparse_irq_lock); - return ret; -} - -/** * irq_get_next_irq - get next allocated irq number * @offset: where to start the search * |