diff options
author | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
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committer | NeilBrown <neilb@suse.de> | 2012-08-01 20:40:02 +1000 |
commit | bb181e2e48f8c85db08c9cb015cbba9618dbf05c (patch) | |
tree | 191bc24dd97bcb174535cc217af082f16da3b43d /drivers/sh/intc/dynamic.c | |
parent | d57368afe63b3b7b45ce6c2b8c5276417935be2f (diff) | |
parent | c039c332f23e794deb6d6f37b9f07ff3b27fb2cf (diff) |
Merge commit 'c039c332f23e794deb6d6f37b9f07ff3b27fb2cf' into md
Pull in pre-requisites for adding raid10 support to dm-raid.
Diffstat (limited to 'drivers/sh/intc/dynamic.c')
-rw-r--r-- | drivers/sh/intc/dynamic.c | 57 |
1 files changed, 0 insertions, 57 deletions
diff --git a/drivers/sh/intc/dynamic.c b/drivers/sh/intc/dynamic.c deleted file mode 100644 index 14eb01ef5d7..00000000000 --- a/drivers/sh/intc/dynamic.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Dynamic IRQ management - * - * Copyright (C) 2010 Paul Mundt - * - * Modelled after arch/x86/kernel/apic/io_apic.c - * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - */ -#define pr_fmt(fmt) "intc: " fmt - -#include <linux/irq.h> -#include <linux/bitmap.h> -#include <linux/spinlock.h> -#include <linux/module.h> -#include "internals.h" /* only for activate_irq() damage.. */ - -/* - * The IRQ bitmap provides a global map of bound IRQ vectors for a - * given platform. Allocation of IRQs are either static through the CPU - * vector map, or dynamic in the case of board mux vectors or MSI. - * - * As this is a central point for all IRQ controllers on the system, - * each of the available sources are mapped out here. This combined with - * sparseirq makes it quite trivial to keep the vector map tightly packed - * when dynamically creating IRQs, as well as tying in to otherwise - * unused irq_desc positions in the sparse array. - */ - -/* - * Dynamic IRQ allocation and deallocation - */ -unsigned int create_irq_nr(unsigned int irq_want, int node) -{ - int irq = irq_alloc_desc_at(irq_want, node); - if (irq < 0) - return 0; - - activate_irq(irq); - return irq; -} - -int create_irq(void) -{ - int irq = irq_alloc_desc(numa_node_id()); - if (irq >= 0) - activate_irq(irq); - - return irq; -} - -void destroy_irq(unsigned int irq) -{ - irq_free_desc(irq); -} |