Commit-ID: 1d008353ba088fdec0b2a944e140ff9154a5fb20
Gitweb: http://git.kernel.org/tip/1d008353ba088fdec0b2a944e140ff9154a5fb20
Author: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
AuthorDate: Wed, 7 May 2014 15:44:21 +0000
Committer: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitDate: Fri, 16 May 2014 14:05:22 +0200
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@xxxxxxxxxxxxx>
Reviewed-and-acked-by: Grant Likely <grant.likely@xxxxxxxxxx>
Tested-by: Tony Luck <tony.luck@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/20140507154340.302183048@xxxxxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
---
include/linux/irq.h | 7 -------
kernel/irq/irqdesc.c | 25 -------------------------
2 files changed, 32 deletions(-)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index ac96342..2110f46 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -617,18 +617,11 @@ int __irq_alloc_descs(int irq, unsigned int from, unsigned int cnt, int node,
irq_alloc_descs(-1, from, cnt, node)
void irq_free_descs(unsigned int irq, unsigned int cnt);
-int irq_reserve_irqs(unsigned int from, unsigned int cnt);
-
static inline void irq_free_desc(unsigned int irq)
{
irq_free_descs(irq, 1);
}
-static inline int irq_reserve_irq(unsigned int irq)
-{
- return irq_reserve_irqs(irq, 1);
-}
-
#ifdef CONFIG_GENERIC_IRQ_LEGACY_ALLOC_HWIRQ
unsigned int irq_alloc_hwirqs(int cnt, int node);
static inline unsigned int irq_alloc_hwirq(int node)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 2402934..d514ed6 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
*
--
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