Messages in this thread Patch in this message | | | Date | Wed, 5 Nov 2014 08:36:45 -0800 | From | tip-bot for Jiang Liu <> | Subject | [tip:x86/apic] x86, irq: Introduce helpers to access struct irq_cfg |
| |
Commit-ID: 54f775d4e5be9dedfa7f6b62bda913c03a30985d Gitweb: http://git.kernel.org/tip/54f775d4e5be9dedfa7f6b62bda913c03a30985d Author: Jiang Liu <jiang.liu@linux.intel.com> AuthorDate: Mon, 27 Oct 2014 16:11:59 +0800 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Wed, 5 Nov 2014 11:04:46 +0100
x86, irq: Introduce helpers to access struct irq_cfg
Change irq_cfg() from static to extern, also introduce helper function irqd_cfg(). Later we can rewrite these two helpers when enabling hierarchy irqdomain.
Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Tony Luck <tony.luck@intel.com> Cc: Joerg Roedel <joro@8bytes.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org> Cc: Rafael J. Wysocki <rjw@rjwysocki.net> Cc: Bjorn Helgaas <bhelgaas@google.com> Cc: Randy Dunlap <rdunlap@infradead.org> Cc: Yinghai Lu <yinghai@kernel.org> Cc: Borislav Petkov <bp@alien8.de> Cc: Prarit Bhargava <prarit@redhat.com> Cc: Grant Likely <grant.likely@linaro.org> Link: http://lkml.kernel.org/r/1414397531-28254-9-git-send-email-jiang.liu@linux.intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> --- arch/x86/include/asm/hw_irq.h | 2 ++ arch/x86/kernel/apic/io_apic.c | 7 ++++++- 2 files changed, 8 insertions(+), 1 deletion(-)
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index e1acbba..454c9e4 100644 --- a/arch/x86/include/asm/hw_irq.h +++ b/arch/x86/include/asm/hw_irq.h @@ -132,6 +132,8 @@ struct irq_cfg { }; }; +extern struct irq_cfg *irq_cfg(unsigned int irq); +extern struct irq_cfg *irqd_cfg(struct irq_data *irq_data); extern void setup_vector_irq(int cpu); extern int assign_irq_vector(int, struct irq_cfg *, const struct cpumask *); #ifdef CONFIG_SMP diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c index 30e9999..a2d6be9 100644 --- a/arch/x86/kernel/apic/io_apic.c +++ b/arch/x86/kernel/apic/io_apic.c @@ -281,11 +281,16 @@ int __init arch_early_irq_init(void) return 0; } -static inline struct irq_cfg *irq_cfg(unsigned int irq) +struct irq_cfg *irq_cfg(unsigned int irq) { return irq_get_chip_data(irq); } +struct irq_cfg *irqd_cfg(struct irq_data *irq_data) +{ + return irq_data->chip_data; +} + static struct irq_cfg *alloc_irq_cfg(unsigned int irq, int node) { struct irq_cfg *cfg;
| |