The patch titled
genirq: add IRQ_NOAUTOEN support
has been removed from the -mm tree. Its filename is
genirq-add-irq_noautoen-support.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
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
--- a/include/linux/irq.h~genirq-add-irq_noautoen-support
+++ a/include/linux/irq.h
@@ -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
--- a/kernel/irq/handle.c~genirq-add-irq_noautoen-support
+++ a/kernel/irq/handle.c
@@ -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
--- a/kernel/irq/manage.c~genirq-add-irq_noautoen-support
+++ a/kernel/irq/manage.c
@@ -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
genirq-add-irq-chip-support-fasteoi-handler-handle-interrupt-disabling.patch
genirq-rename-desc-handler-to-desc-chip-ia64-fix-2.patch
git-mtd.patch
lockdep-add-disable-enable_irq_lockdep-api.patch
genirq-convert-the-x86_64-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips.patch
genirq-convert-the-i386-architecture-to-irq-chips-fix-2.patch
genirq-irq-convert-the-move_irq-flag-from-a-32bit-word-to-a-single-bit.patch
genirq-irq-add-moved_masked_irq.patch
genirq-x86_64-irq-reenable-migrating-irqs-to-other-cpus.patch
genirq-msi-simplify-msi-enable-and-disable.patch
genirq-msi-simplify-msi-enable-and-disable-fix.patch
genirq-msi-make-the-msi-boolean-tests-return-either-0-or-1.patch
genirq-msi-implement-helper-functions-read_msi_msg-and-write_msi_msg.patch
genirq-msi-refactor-the-msi_ops.patch
genirq-msi-simplify-the-msi-irq-limit-policy.patch
genirq-irq-add-a-dynamic-irq-creation-api.patch
genirq-ia64-irq-dynamic-irq-support.patch
genirq-i386-irq-dynamic-irq-support.patch
genirq-i386-irq-dynamic-irq-support-fix.patch
genirq-x86_64-irq-dynamic-irq-support.patch
genirq-msi-make-the-msi-code-irq-based-and-not-vector-based.patch
genirq-x86_64-irq-move-msi-message-composition-into-io_apicc.patch
genirq-i386-irq-move-msi-message-composition-into-io_apicc.patch
genirq-msi-only-build-msi-apicc-on-ia64.patch
genirq-x86_64-irq-remove-the-msi-assumption-that-irq-==-vector.patch
genirq-i386-irq-remove-the-msi-assumption-that-irq-==-vector.patch
genirq-i386-irq-remove-the-msi-assumption-that-irq-==-vector-fix.patch
genirq-irq-remove-msi-hacks.patch
genirq-irq-generalize-the-check-for-hardirq_bits.patch
genirq-x86_64-irq-make-the-external-irq-handlers-report-their-vector-not-the-irq-number.patch
genirq-x86_64-irq-make-vector_irq-per-cpu.patch
genirq-x86_64-irq-kill-gsi_irq_sharing.patch
genirq-x86_64-irq-kill-irq-compression.patch
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