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Revert "arm: irq: Allow for specification of no preallocated irqs"

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This reverts commit 0bb2b56f7048b2f85be6784eaa8e4a5f0fa8688d.

This change is no longer necessary as of the following change,
since now we only preallocate 16 IRQs for SPARSE_IRQ
configurations. Thus the original problem of the system wasting
descriptions due to preallocated irqs no longer exists.

Author: Rob Herring <rob.herring@calxeda.com>
Date:   Tue Jan 3 15:17:23 2012 -0600

    ARM: only include mach/irqs.h for !SPARSE_IRQ

This also reverts commit ce4b20b3d79cb2785527fa36620252dac23b5259.

Since the preallocation scheme has been removed, we need to
update the board file to remove the old preallocation
specification.

Change-Id: I8fd819ae81fa0c8276877c0614653b5e5e14b3e2
Signed-off-by: Michael Bohan <mbohan@codeaurora.org>
This commit is contained in:
Michael Bohan 2012-06-01 13:25:10 -07:00 committed by Stephen Boyd
parent 1682c9d9f8
commit 3e390e499a
3 changed files with 3 additions and 14 deletions
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2
arch/arm/include/asm/mach/arch.h
View file

@ -22,7 +22,7 @@ struct machine_desc {
const char *const *dt_compat; /* array of device tree
* 'compatible' strings */
int nr_irqs; /* number of IRQs */
unsigned int nr_irqs; /* number of IRQs */
#ifdef CONFIG_ZONE_DMA
unsigned long dma_zone_size; /* size of DMA-able area */

14
arch/arm/kernel/irq.c
View file

@ -132,18 +132,8 @@ void __init init_IRQ(void)
#ifdef CONFIG_SPARSE_IRQ
int __init arch_probe_nr_irqs(void)
{
/*
* machine_desc->nr_irqs < 0 is a special case that
* specifies not to preallocate any irq_descs.
*/
if (machine_desc->nr_irqs < 0) {
nr_irqs = 0;
return nr_irqs;
} else {
nr_irqs = machine_desc->nr_irqs ?
machine_desc->nr_irqs : NR_IRQS;
return nr_irqs;
}
nr_irqs = machine_desc->nr_irqs ? machine_desc->nr_irqs : NR_IRQS;
return nr_irqs;
}
#endif

1
arch/arm/mach-msm/board-dt.c
View file

@ -85,7 +85,6 @@ DT_MACHINE_START(MSM_DT, "Qualcomm MSM (Flattened Device Tree)")
.handle_irq = gic_handle_irq,
.timer = &msm_dt_timer,
.dt_compat = msm_dt_match,
.nr_irqs = -1,
.reserve = msm_dt_reserve,
.init_very_early = msm_dt_init_very_early,
MACHINE_END