[RFC PATCH 5/5] genirq: Kill irq_reserve_irq/irq_reserve_irqs

From: Yinghai Lu
Date: Sun Apr 06 2014 - 01:39:36 EST


No user any more.

Signed-off-by: Yinghai Lu <yinghai@xxxxxxxxxx>
---
include/linux/irq.h | 6 ------
kernel/irq/irqdesc.c | 25 -------------------------
2 files changed, 31 deletions(-)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 7588ee9..84ce41a 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -622,7 +622,6 @@ 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);
int arch_probe_early_allocate_nr_irqs(void);

static inline void irq_free_desc(unsigned int irq)
@@ -630,11 +629,6 @@ 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);
-}
-
#ifndef irq_reg_writel
# define irq_reg_writel(val, addr) writel(val, addr)
#endif
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index dfb971c..49bf891 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -400,31 +400,6 @@ err:
EXPORT_SYMBOL_GPL(__irq_alloc_descs);

/**
- * 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
*
--
1.8.4.5

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