The patch titled
genirq: add SA_TRIGGER support
has been added to the -mm tree. Its filename is
genirq-add-sa_trigger-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 SA_TRIGGER support
From: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Enable drivers to request an IRQ with a given irq-flow (trigger/polarity)
setting.
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---
kernel/irq/manage.c | 31 +++++++++++++++++++++++++++----
1 files changed, 27 insertions(+), 4 deletions(-)
diff -puN kernel/irq/manage.c~genirq-add-sa_trigger-support kernel/irq/manage.c
--- devel/kernel/irq/manage.c~genirq-add-sa_trigger-support 2006-05-22 15:15:31.000000000 -0700
+++ devel-akpm/kernel/irq/manage.c 2006-05-22 15:15:31.000000000 -0700
@@ -225,8 +225,14 @@ int setup_irq(unsigned int irq, struct i
p = &desc->action;
old = *p;
if (old) {
- /* Can't share interrupts unless both agree to */
- if (!(old->flags & new->flags & SA_SHIRQ))
+ /*
+ * Can't share interrupts unless both agree to and are
+ * the same type (level, edge, polarity). So both flag
+ * fields must have SA_SHIRQ set and the bits which
+ * set the trigger type must match.
+ */
+ if (!((old->flags & new->flags) & SA_SHIRQ) ||
+ ((old->flags ^ new->flags) & SA_TRIGGER_MASK))
goto mismatch;
#if defined(CONFIG_IRQ_PER_CPU) && defined(SA_PERCPU_IRQ)
@@ -250,7 +256,22 @@ int setup_irq(unsigned int irq, struct i
#endif
if (!shared) {
irq_chip_set_defaults(desc->chip);
- compat_irq_chip_set_default_handler(desc);
+
+ /* Setup the type (level, edge polarity) if configured: */
+ if (new->flags & SA_TRIGGER_MASK) {
+ if (desc->chip && desc->chip->set_type)
+ desc->chip->set_type(irq,
+ new->flags & SA_TRIGGER_MASK);
+ else
+ /*
+ * SA_TRIGGER_* but the PIC does not support
+ * multiple flow-types?
+ */
+ printk(KERN_WARNING "setup_irq(%d) SA_TRIGGER"
+ "set. No set_type function available\n",
+ irq);
+ } else
+ compat_irq_chip_set_default_handler(desc);
desc->status &= ~(IRQ_AUTODETECT | IRQ_WAITING |
IRQ_INPROGRESS);
@@ -262,7 +283,9 @@ int setup_irq(unsigned int irq, struct i
desc->chip->startup(irq);
else
desc->chip->enable(irq);
- }
+ } else
+ /* Undo nested disables: */
+ desc->depth = 1;
}
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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