Messages in this thread Patch in this message | | | From | Yinghai Lu <> | Subject | [PATCH v3 5/8] irq: Kill irq_reserve_irq/irq_reserve_irqs | Date | Mon, 5 May 2014 18:33:23 -0700 |
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No user any more.
Signed-off-by: Yinghai Lu <yinghai@kernel.org> --- 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 28cbd3e..02dc0e4 100644 --- a/include/linux/irq.h +++ b/include/linux/irq.h @@ -623,7 +623,6 @@ 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) @@ -631,11 +630,6 @@ 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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