From 6ef40512c55b18f8fdf1074b2f2d7eadcd50fec7 Mon Sep 17 00:00:00 2001 From: Thomas Gleixner Date: Wed, 7 May 2014 15:44:13 +0000 Subject: [PATCH] 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 Reviewed-by: Grant Likely Cc: Tony Luck Cc: Peter Zijlstra Acked-by: Chris Metcalf Link: http://lkml.kernel.org/r/20140507154336.947853241@linutronix.de Signed-off-by: Thomas Gleixner --- arch/tile/include/asm/irq.h | 3 +++ arch/tile/kernel/irq.c | 12 ++++++++++++ 2 files changed, 15 insertions(+) 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 -- 2.39.2