diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2014-05-07 19:44:13 +0400 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2014-05-16 16:05:20 +0400 |
| commit | 6ef40512c55b18f8fdf1074b2f2d7eadcd50fec7 (patch) | |
| tree | 37b930d343fb86e9625799cf1c94a1009b0aceda | |
| parent | 54859f59fc18e5c104a4095420b3fcef8bc3ae63 (diff) | |
| download | linux-6ef40512c55b18f8fdf1074b2f2d7eadcd50fec7.tar.xz | |
tile: Implement irq_alloc/free_hwirq() for migration
We want to convert the drivers over to the new interface and finally
tile to sparse irqs. Implement irq_alloc/free_hwirq() for step by step
migration.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Grant Likely <grant.likely@linaro.org>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Acked-by: Chris Metcalf <cmetcalf@tilera.com>
Link: http://lkml.kernel.org/r/20140507154336.947853241@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
| -rw-r--r-- | arch/tile/include/asm/irq.h | 3 | ||||
| -rw-r--r-- | arch/tile/kernel/irq.c | 12 |
2 files changed, 15 insertions, 0 deletions
diff --git a/arch/tile/include/asm/irq.h b/arch/tile/include/asm/irq.h index 33cff9a3058b..9670a39d924d 100644 --- a/arch/tile/include/asm/irq.h +++ b/arch/tile/include/asm/irq.h @@ -76,4 +76,7 @@ void tile_irq_activate(unsigned int irq, int tile_irq_type); void setup_irq_regs(void); +unsigned int irq_alloc_hwirq(int node); +void irq_free_hwirq(unsigned int irq); + #endif /* _ASM_TILE_IRQ_H */ diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index 906a76bdb31d..5fd197e0a2d4 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -312,4 +312,16 @@ void destroy_irq(unsigned int irq) spin_unlock_irqrestore(&available_irqs_lock, flags); } EXPORT_SYMBOL(destroy_irq); + +unsigned int irq_alloc_hwirq(int node) +{ + int ret = create_irq(); + return ret < 0 ? 0 : ret; +} + +void irq_free_hwirq(unsigned int irq) +{ + destroy_irq(irq); +} + #endif |