diff options
author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-07 10:17:56 +0200 |
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committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-07-07 10:17:56 +0200 |
commit | f1615bbe9be4def59c3b3eaddb60722efeed16c2 (patch) | |
tree | ca3020e65447576fc1826e819651e6ba072030b5 /arch/tile/kernel/irq.c | |
parent | cfb3c0ab0903abb6ea5215b37eebd9c2a1f057eb (diff) | |
parent | cd3de83f147601356395b57a8673e9c5ff1e59d1 (diff) |
Merge tag 'v3.16-rc4' into drm-intel-next-queued
Due to Dave's vacation drm-next hasn't opened yet for 3.17 so I
couldn't move my drm-intel-next queue forward yet like I usually do.
Just pull in the latest upstream -rc to unblock patch merging - I
don't want to needlessly rebase my current patch pile really and void
all the testing we've done already.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'arch/tile/kernel/irq.c')
-rw-r--r-- | arch/tile/kernel/irq.c | 40 |
1 files changed, 3 insertions, 37 deletions
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c index 906a76bdb31..637f2ffaa5f 100644 --- a/arch/tile/kernel/irq.c +++ b/arch/tile/kernel/irq.c @@ -54,13 +54,6 @@ static DEFINE_PER_CPU(unsigned long, irq_disable_mask) */ static DEFINE_PER_CPU(int, irq_depth); -/* State for allocating IRQs on Gx. */ -#if CHIP_HAS_IPI() -static unsigned long available_irqs = ((1UL << NR_IRQS) - 1) & - (~(1UL << IRQ_RESCHEDULE)); -static DEFINE_SPINLOCK(available_irqs_lock); -#endif - #if CHIP_HAS_IPI() /* Use SPRs to manipulate device interrupts. */ #define mask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_SET_K, irq_mask) @@ -278,38 +271,11 @@ int arch_show_interrupts(struct seq_file *p, int prec) return 0; } -/* - * Generic, controller-independent functions: - */ - #if CHIP_HAS_IPI() -int create_irq(void) +int arch_setup_hwirq(unsigned int irq, int node) { - unsigned long flags; - int result; - - spin_lock_irqsave(&available_irqs_lock, flags); - if (available_irqs == 0) - result = -ENOMEM; - else { - result = __ffs(available_irqs); - available_irqs &= ~(1UL << result); - dynamic_irq_init(result); - } - spin_unlock_irqrestore(&available_irqs_lock, flags); - - return result; + return irq >= NR_IRQS ? -EINVAL : 0; } -EXPORT_SYMBOL(create_irq); -void destroy_irq(unsigned int irq) -{ - unsigned long flags; - - spin_lock_irqsave(&available_irqs_lock, flags); - available_irqs |= (1UL << irq); - dynamic_irq_cleanup(irq); - spin_unlock_irqrestore(&available_irqs_lock, flags); -} -EXPORT_SYMBOL(destroy_irq); +void arch_teardown_hwirq(unsigned int irq) { } #endif |