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Date: Fri, 16 May 2014 06:37:19 -0700 From: tip-bot for Thomas Gleixner <tipbot@...or.com> To: linux-tip-commits@...r.kernel.org Cc: linux-kernel@...r.kernel.org, grant.likely@...aro.org, hpa@...or.com, mingo@...nel.org, peterz@...radead.org, tony.luck@...el.com, tglx@...utronix.de Subject: [tip:irq/core] genirq: Remove irq_reserve_irq[s] Commit-ID: 1d008353ba088fdec0b2a944e140ff9154a5fb20 Gitweb: http://git.kernel.org/tip/1d008353ba088fdec0b2a944e140ff9154a5fb20 Author: Thomas Gleixner <tglx@...utronix.de> AuthorDate: Wed, 7 May 2014 15:44:21 +0000 Committer: Thomas Gleixner <tglx@...utronix.de> 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@...utronix.de> Reviewed-and-acked-by: Grant Likely <grant.likely@...aro.org> Tested-by: Tony Luck <tony.luck@...el.com> Cc: Peter Zijlstra <peterz@...radead.org> Link: http://lkml.kernel.org/r/20140507154340.302183048@linutronix.de Signed-off-by: Thomas Gleixner <tglx@...utronix.de> --- 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 * -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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