The patch titled
genirq: add IRQ_NOREQUEST support
has been removed from the -mm tree. Its filename is
genirq-add-irq_norequest-support.patch
This patch was dropped because it was merged into mainline or a subsystem tree
------------------------------------------------------
Subject: genirq: add IRQ_NOREQUEST support
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Enable platforms to disable request_irq() for certain interrupts.
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/manage.c | 4 +++-
2 files changed, 4 insertions(+), 1 deletion(-)
diff -puN include/linux/irq.h~genirq-add-irq_norequest-support include/linux/irq.h
--- a/include/linux/irq.h~genirq-add-irq_norequest-support
+++ a/include/linux/irq.h
@@ -41,6 +41,7 @@
#endif
#define IRQ_NOPROBE 512 /* IRQ is not valid for probing */
+#define IRQ_NOREQUEST 1024 /* IRQ cannot be requested */
/**
* struct hw_interrupt_type - hardware interrupt type descriptor
*
diff -puN kernel/irq/manage.c~genirq-add-irq_norequest-support kernel/irq/manage.c
--- a/kernel/irq/manage.c~genirq-add-irq_norequest-support
+++ a/kernel/irq/manage.c
@@ -141,7 +141,7 @@ int can_request_irq(unsigned int irq, un
{
struct irqaction *action;
- if (irq >= NR_IRQS)
+ if (irq >= NR_IRQS || irq_desc[irq].status & IRQ_NOREQUEST)
return 0;
action = irq_desc[irq].action;
@@ -356,6 +356,8 @@ int request_irq(unsigned int irq,
return -EINVAL;
if (irq >= NR_IRQS)
return -EINVAL;
+ if (irq_desc[irq].status & IRQ_NOREQUEST)
+ return -EINVAL;
if (!handler)
return -EINVAL;
_
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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