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authorDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
committerDavid Brown <davidb@codeaurora.org>2011-03-17 01:13:16 -0400
commit92c260f755c42337c550d8ac1f8ccd1b32bffb20 (patch)
tree6d04fefc1adeecabfb2b00c201e0db78fa2b5529 /kernel/irq/irqdesc.c
parent8e76a80960bf06c245160a484d5a363ca6b520bb (diff)
parent05e34754518b6a90d5c392790c032575fab12d66 (diff)
Merge remote branch 'rmk/for-linus' into for-linus
* rmk/for-linus: (1557 commits) ARM: 6806/1: irq: introduce entry and exit functions for chained handlers ARM: 6781/1: Thumb-2: Work around buggy Thumb-2 short branch relocations in gas ARM: 6747/1: P2V: Thumb2 support ARM: 6798/1: aout-core: zero thread debug registers in a.out core dump ARM: 6796/1: Footbridge: Fix I/O mappings for NOMMU mode ARM: 6784/1: errata: no automatic Store Buffer drain on Cortex-A9 ARM: 6772/1: errata: possible fault MMU translations following an ASID switch ARM: 6776/1: mach-ux500: activate fix for errata 753970 ARM: 6794/1: SPEAr: Append UL to device address macros. ARM: 6793/1: SPEAr: Remove unused *_SIZE macros from spear*.h files ARM: 6792/1: SPEAr: Replace SIZE macro's with SZ_4K macros ARM: 6791/1: SPEAr3xx: Declare device structures after shirq code ARM: 6790/1: SPEAr: Clock Framework: Rename usbd clock and align apb_clk entry ARM: 6789/1: SPEAr3xx: Rename sdio to sdhci ARM: 6788/1: SPEAr: Include mach/hardware.h instead of mach/spear.h ARM: 6787/1: SPEAr: Reorder #includes in .h & .c files. ARM: 6681/1: SPEAr: add debugfs support to clk API ARM: 6703/1: SPEAr: update clk API support ARM: 6679/1: SPEAr: make clk API functions more generic ARM: 6737/1: SPEAr: formalized timer support ... Conflicts: arch/arm/mach-msm/board-msm7x27.c arch/arm/mach-msm/board-msm7x30.c arch/arm/mach-msm/board-qsd8x50.c arch/arm/mach-msm/board-sapphire.c arch/arm/mach-msm/include/mach/memory.h
Diffstat (limited to 'kernel/irq/irqdesc.c')
-rw-r--r--kernel/irq/irqdesc.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 282f20230e67..2039bea31bdf 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -94,7 +94,7 @@ int nr_irqs = NR_IRQS;
94EXPORT_SYMBOL_GPL(nr_irqs); 94EXPORT_SYMBOL_GPL(nr_irqs);
95 95
96static DEFINE_MUTEX(sparse_irq_lock); 96static DEFINE_MUTEX(sparse_irq_lock);
97static DECLARE_BITMAP(allocated_irqs, NR_IRQS); 97static DECLARE_BITMAP(allocated_irqs, IRQ_BITMAP_BITS);
98 98
99#ifdef CONFIG_SPARSE_IRQ 99#ifdef CONFIG_SPARSE_IRQ
100 100
@@ -217,6 +217,15 @@ int __init early_irq_init(void)
217 initcnt = arch_probe_nr_irqs(); 217 initcnt = arch_probe_nr_irqs();
218 printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d %d\n", NR_IRQS, nr_irqs, initcnt); 218 printk(KERN_INFO "NR_IRQS:%d nr_irqs:%d %d\n", NR_IRQS, nr_irqs, initcnt);
219 219
220 if (WARN_ON(nr_irqs > IRQ_BITMAP_BITS))
221 nr_irqs = IRQ_BITMAP_BITS;
222
223 if (WARN_ON(initcnt > IRQ_BITMAP_BITS))
224 initcnt = IRQ_BITMAP_BITS;
225
226 if (initcnt > nr_irqs)
227 nr_irqs = initcnt;
228
220 for (i = 0; i < initcnt; i++) { 229 for (i = 0; i < initcnt; i++) {
221 desc = alloc_desc(i, node); 230 desc = alloc_desc(i, node);
222 set_bit(i, allocated_irqs); 231 set_bit(i, allocated_irqs);