The patch titled
genirq: add IRQ_NOAUTOEN support
has been added to the -mm tree. Its filename is
genirq-add-irq_noautoen-support.patch
See http://www.zip.com.au/~akpm/linux/patches/stuff/added-to-mm.txt to find
out what to do about this
------------------------------------------------------
Subject: genirq: add IRQ_NOAUTOEN support
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Enable platforms to disable the automatic enabling of freshly set up irqs.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
include/linux/irq.h | 1 +
kernel/irq/handle.c | 1 +
kernel/irq/manage.c | 18 +++++++++++-------
3 files changed, 13 insertions(+), 7 deletions(-)
diff -puN include/linux/irq.h~genirq-add-irq_noautoen-support include/linux/irq.h
--- devel/include/linux/irq.h~genirq-add-irq_noautoen-support 2006-05-22 15:14:37.000000000 -0700
+++ devel-akpm/include/linux/irq.h 2006-05-22 15:14:37.000000000 -0700
@@ -42,6 +42,7 @@
#define IRQ_NOPROBE 512 /* IRQ is not valid for probing */
#define IRQ_NOREQUEST 1024 /* IRQ cannot be requested */
+#define IRQ_NOAUTOEN 2048 /* IRQ will not be enabled on request irq */
/**
* struct hw_interrupt_type - hardware interrupt type descriptor
*
diff -puN kernel/irq/handle.c~genirq-add-irq_noautoen-support kernel/irq/handle.c
--- devel/kernel/irq/handle.c~genirq-add-irq_noautoen-support 2006-05-22 15:14:37.000000000 -0700
+++ devel-akpm/kernel/irq/handle.c 2006-05-22 15:14:37.000000000 -0700
@@ -32,6 +32,7 @@ struct irq_desc irq_desc[NR_IRQS] __cach
[0 ... NR_IRQS-1] = {
.status = IRQ_DISABLED,
.chip = &no_irq_type,
+ .depth = 1,
.lock = SPIN_LOCK_UNLOCKED,
#ifdef CONFIG_SMP
.affinity = CPU_MASK_ALL
diff -puN kernel/irq/manage.c~genirq-add-irq_noautoen-support kernel/irq/manage.c
--- devel/kernel/irq/manage.c~genirq-add-irq_noautoen-support 2006-05-22 15:14:37.000000000 -0700
+++ devel-akpm/kernel/irq/manage.c 2006-05-22 15:14:37.000000000 -0700
@@ -216,13 +216,17 @@ int setup_irq(unsigned int irq, struct i
desc->status |= IRQ_PER_CPU;
#endif
if (!shared) {
- desc->depth = 0;
- desc->status &= ~(IRQ_DISABLED | IRQ_AUTODETECT |
- IRQ_WAITING | IRQ_INPROGRESS);
- if (desc->chip->startup)
- desc->chip->startup(irq);
- else
- desc->chip->enable(irq);
+ desc->status &= ~(IRQ_AUTODETECT | IRQ_WAITING |
+ IRQ_INPROGRESS);
+
+ if (!(desc->status & IRQ_NOAUTOEN)) {
+ desc->depth = 0;
+ desc->status &= ~IRQ_DISABLED;
+ if (desc->chip->startup)
+ desc->chip->startup(irq);
+ else
+ desc->chip->enable(irq);
+ }
}
spin_unlock_irqrestore(&desc->lock, flags);
_
Patches currently in -mm which might be from tglx@xxxxxxxxxxxxx are
origin.patch
git-mtd.patch
pi-futex-futex-code-cleanups.patch
pi-futex-introduce-debug_check_no_locks_freed.patch
pi-futex-add-plist-implementation.patch
pi-futex-scheduler-support-for-pi.patch
pi-futex-rt-mutex-core.patch
pi-futex-rt-mutex-core-fix-timeout-race.patch
pi-futex-rt-mutex-docs.patch
pi-futex-rt-mutex-debug.patch
pi-futex-rt-mutex-tester.patch
pi-futex-rt-mutex-futex-api.patch
pi-futex-futex_lock_pi-futex_unlock_pi-support.patch
pi-futex-patchset-v4-fix.patch
rtmutex-remove-buggy-bug_on-in-pi-boosting-code.patch
futex-pi-enforce-waiter-bit-when-owner-died-is-detected.patch
rtmutex-debug-printk-correct-task-information.patch
futex-pi-make-use-of-restart_block-when-interrupted.patch
document-futex-pi-design.patch
document-futex-pi-design-fix.patch
document-futex-pi-design-fix-fix.patch
futex_requeue-optimization.patch
genirq-rename-desc-handler-to-desc-chip.patch
genirq-sem2mutex-probe_sem-probing_active.patch
genirq-cleanup-merge-irq_affinity-into-irq_desc.patch
genirq-cleanup-remove-irq_descp.patch
genirq-cleanup-remove-fastcall.patch
genirq-cleanup-misc-code-cleanups.patch
genirq-cleanup-reduce-irq_desc_t-use-mark-it-obsolete.patch
genirq-cleanup-include-linux-irqh.patch
genirq-cleanup-merge-irq_dir-smp_affinity_entry-into-irq_desc.patch
genirq-cleanup-merge-pending_irq_cpumask-into-irq_desc.patch
genirq-cleanup-turn-arch_has_irq_per_cpu-into-config_irq_per_cpu.patch
genirq-debug-better-debug-printout-in-enable_irq.patch
genirq-add-retrigger-irq-op-to-consolidate-hw_irq_resend.patch
genirq-doc-comment-include-linux-irqh-structures.patch
genirq-doc-handle_irq_event-and-__do_irq-comments.patch
genirq-cleanup-no_irq_type-cleanups.patch
genirq-doc-add-design-documentation.patch
genirq-add-genirq-sw-irq-retrigger.patch
genirq-add-irq_noprobe-support.patch
genirq-add-irq_norequest-support.patch
genirq-add-irq_noautoen-support.patch
genirq-update-copyrights.patch
genirq-core.patch
genirq-add-irq-chip-support.patch
genirq-add-handle_bad_irq.patch
genirq-add-irq-wake-power-management-support.patch
genirq-add-sa_trigger-support.patch
genirq-convert-the-x86_64-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
genirq-more-verbose-debugging-on-unexpected-irq-vectors.patch
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