From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932739AbaEPNh5 (ORCPT ); Fri, 16 May 2014 09:37:57 -0400 Received: from terminus.zytor.com ([198.137.202.10]:54342 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932718AbaEPNhz (ORCPT ); Fri, 16 May 2014 09:37:55 -0400 Date: Fri, 16 May 2014 06:37:07 -0700 From: tip-bot for Thomas Gleixner Message-ID: Cc: linux-kernel@vger.kernel.org, grant.likely@linaro.org, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, tony.luck@intel.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, grant.likely@linaro.org, linux-kernel@vger.kernel.org, peterz@infradead.org, tglx@linutronix.de, tony.luck@intel.com In-Reply-To: <20140507154340.061990194@linutronix.de> References: <20140507154340.061990194@linutronix.de> To: linux-tip-commits@vger.kernel.org Subject: [tip:irq/core] genirq: Replace reserve_irqs in core code Git-Commit-ID: f63b6a05f2b11537612266a8b27a61f412344a1d X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: f63b6a05f2b11537612266a8b27a61f412344a1d Gitweb: http://git.kernel.org/tip/f63b6a05f2b11537612266a8b27a61f412344a1d Author: Thomas Gleixner AuthorDate: Wed, 7 May 2014 15:44:21 +0000 Committer: Thomas Gleixner CommitDate: Fri, 16 May 2014 14:05:22 +0200 genirq: Replace reserve_irqs in core code We want to get rid of the public interface. Signed-off-by: Thomas Gleixner Reviewed-by: Grant Likely Tested-by: Tony Luck Cc: Peter Zijlstra Link: http://lkml.kernel.org/r/20140507154340.061990194@linutronix.de Signed-off-by: Thomas Gleixner --- kernel/irq/chip.c | 5 ++--- kernel/irq/internals.h | 6 ++++++ kernel/irq/irqdesc.c | 7 +++++++ 3 files changed, 15 insertions(+), 3 deletions(-) diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c index 6397df2..a2b28a2 100644 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -40,10 +40,9 @@ int irq_set_chip(unsigned int irq, struct irq_chip *chip) irq_put_desc_unlock(desc, flags); /* * For !CONFIG_SPARSE_IRQ make the irq show up in - * allocated_irqs. For the CONFIG_SPARSE_IRQ case, it is - * already marked, and this call is harmless. + * allocated_irqs. */ - irq_reserve_irq(irq); + irq_mark_irq(irq); return 0; } EXPORT_SYMBOL(irq_set_chip); diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h index ddf1ffe..c4065e3 100644 --- a/kernel/irq/internals.h +++ b/kernel/irq/internals.h @@ -76,6 +76,12 @@ extern void mask_irq(struct irq_desc *desc); extern void unmask_irq(struct irq_desc *desc); extern void unmask_threaded_irq(struct irq_desc *desc); +#ifdef CONFIG_SPARSE_IRQ +static inline void irq_mark_irq(unsigned int irq) { } +#else +extern void irq_mark_irq(unsigned int irq); +#endif + extern void init_kstat_irqs(struct irq_desc *desc, int node, int nr); irqreturn_t handle_irq_event_percpu(struct irq_desc *desc, struct irqaction *action); diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c index f388ade..2402934 100644 --- a/kernel/irq/irqdesc.c +++ b/kernel/irq/irqdesc.c @@ -299,6 +299,13 @@ static int irq_expand_nr_irqs(unsigned int nr) return -ENOMEM; } +void irq_mark_irq(unsigned int irq) +{ + mutex_lock(&sparse_irq_lock); + bitmap_set(allocated_irqs, irq, 1); + mutex_unlock(&sparse_irq_lock); +} + #endif /* !CONFIG_SPARSE_IRQ */ /**