From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Gleixner Date: Fri, 25 Mar 2011 20:52:03 +0000 Subject: [patch 21/23] ia64: Provide and use a __irq_is_enabled() helper Message-Id: <20110325204516.506729641@linutronix.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-ia64@vger.kernel.org Remove the last open coded access to irq_desc. Signed-off-by: Thomas Gleixner --- arch/ia64/kernel/irq.c | 2 +- arch/ia64/sn/kernel/irq.c | 2 +- include/linux/irqdesc.h | 7 +++++++ 3 files changed, 9 insertions(+), 2 deletions(-) Index: linux-2.6-tip/arch/ia64/kernel/irq.c =================================--- linux-2.6-tip.orig/arch/ia64/kernel/irq.c +++ linux-2.6-tip/arch/ia64/kernel/irq.c @@ -137,7 +137,7 @@ static void migrate_irqs(void) struct irq_data *data = irq_desc_get_irq_data(desc); struct irq_chip *chip = irq_data_get_irq_chip(data); - if (desc->status = IRQ_DISABLED) + if (!__irq_is_enabled(irq)) continue; /* Index: linux-2.6-tip/arch/ia64/sn/kernel/irq.c =================================--- linux-2.6-tip.orig/arch/ia64/sn/kernel/irq.c +++ linux-2.6-tip/arch/ia64/sn/kernel/irq.c @@ -412,7 +412,7 @@ sn_call_force_intr_provider(struct sn_ir pci_provider = sn_pci_provider[sn_irq_info->irq_bridge_type]; /* Don't force an interrupt if the irq has been disabled */ - if (!(irq_desc[sn_irq_info->irq_irq].status & IRQ_DISABLED) && + if (__irq_is_enabled(sn_irq_info->irq_irq) && pci_provider && pci_provider->force_interrupt) (*pci_provider->force_interrupt)(sn_irq_info); } Index: linux-2.6-tip/include/linux/irqdesc.h =================================--- linux-2.6-tip.orig/include/linux/irqdesc.h +++ linux-2.6-tip/include/linux/irqdesc.h @@ -231,4 +231,11 @@ __irq_set_preflow_handler(unsigned int i #endif #endif +static inline bool __irq_is_enabled(unsigned int irq) +{ + struct irq_desc *desc = irq_to_desc(irq); + + return desc && !desc->depth; +} + #endif