diff options
| author | Jiang Liu <jiang.liu@linux.intel.com> | 2014-10-27 09:11:59 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-12-16 14:08:16 +0100 |
| commit | 55a0e2b122c26c7496ea85754bceddc05dba402b (patch) | |
| tree | b08ec3a5b3ebf967e72e20f1ffeaf1cf01591c51 /arch | |
| parent | x86, irq: Protect __clear_irq_vector() with vector_lock (diff) | |
| download | linux-55a0e2b122c26c7496ea85754bceddc05dba402b.tar.xz linux-55a0e2b122c26c7496ea85754bceddc05dba402b.zip | |
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>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/x86/include/asm/hw_irq.h | 2 | ||||
| -rw-r--r-- | arch/x86/kernel/apic/io_apic.c | 7 |
2 files changed, 8 insertions, 1 deletions
diff --git a/arch/x86/include/asm/hw_irq.h b/arch/x86/include/asm/hw_irq.h index e1acbbaf47ca..454c9e4056e6 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 ab8ca9327c06..783468efa4a1 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; |