* + kernel-irq-managec-add-raise_threaded_irq.patch added to -mm tree
@ 2010-03-24 18:39 akpm
0 siblings, 0 replies; only message in thread
From: akpm @ 2010-03-24 18:39 UTC (permalink / raw)
To: mm-commits; +Cc: chripell, alan, feng.tang, greg, mingo, tglx
The patch titled
kernel/irq/manage.c: add raise_threaded_irq()
has been added to the -mm tree. Its filename is
kernel-irq-managec-add-raise_threaded_irq.patch
Before you just go and hit "reply", please:
a) Consider who else should be cc'ed
b) Prefer to cc a suitable mailing list as well
c) Ideally: find the original patch on the mailing list and do a
reply-to-all to that, adding suitable additional cc's
*** Remember to use Documentation/SubmitChecklist when testing your code ***
See http://userweb.kernel.org/~akpm/stuff/added-to-mm.txt to find
out what to do about this
The current -mm tree may be found at http://userweb.kernel.org/~akpm/mmotm/
------------------------------------------------------
Subject: kernel/irq/manage.c: add raise_threaded_irq()
From: Christian Pellegrin <chripell@fsfe.org>
raise_threaded_irq() schedules the execution of an interrupt thread.
Signed-off-by: Christian Pellegrin <chripell@fsfe.org>
Cc: Greg KH <greg@kroah.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Feng Tang <feng.tang@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---
include/linux/interrupt.h | 3 +++
kernel/irq/manage.c | 27 +++++++++++++++++++++++++++
2 files changed, 30 insertions(+)
diff -puN include/linux/interrupt.h~kernel-irq-managec-add-raise_threaded_irq include/linux/interrupt.h
--- a/include/linux/interrupt.h~kernel-irq-managec-add-raise_threaded_irq
+++ a/include/linux/interrupt.h
@@ -144,6 +144,9 @@ request_threaded_irq(unsigned int irq, i
static inline void exit_irq_thread(void) { }
#endif
+extern int raise_threaded_irq(unsigned int irq);
+
+
extern void free_irq(unsigned int, void *);
struct device;
diff -puN kernel/irq/manage.c~kernel-irq-managec-add-raise_threaded_irq kernel/irq/manage.c
--- a/kernel/irq/manage.c~kernel-irq-managec-add-raise_threaded_irq
+++ a/kernel/irq/manage.c
@@ -1106,3 +1106,30 @@ int request_threaded_irq(unsigned int ir
return retval;
}
EXPORT_SYMBOL(request_threaded_irq);
+
+/**
+ * raise_threaded_irq - triggers a threded interrupt
+ * @irq: Interrupt line to trigger
+ */
+int raise_threaded_irq(unsigned int irq)
+{
+ struct irq_desc *desc = irq_to_desc(irq);
+ struct irqaction *action;
+
+ if (!desc)
+ return -ENOENT;
+ action = desc->action;
+ if (!action)
+ return -ENOENT;
+ if (unlikely(!action->thread_fn))
+ return -EINVAL;
+ if (likely(!test_bit(IRQTF_DIED,
+ &action->thread_flags))) {
+ set_bit(IRQTF_RUNTHREAD, &action->thread_flags);
+ wake_up_process(action->thread);
+ } else {
+ return -ECHILD;
+ }
+ return 0;
+}
+EXPORT_SYMBOL(raise_threaded_irq);
_
Patches currently in -mm which might be from chripell@fsfe.org are
kernel-irq-managec-add-raise_threaded_irq.patch
kernel-irq-managec-add-raise_threaded_irq-fix.patch
max3100-move-to-threaded-interrupt.patch
max3100-add-console-support-for-max3100.patch
max3100-to_max3100_port-small-style-fixes.patch
max3100-to_max3100_port-small-style-fixes-fix.patch
^ permalink raw reply [flat|nested] only message in thread
only message in thread, other threads:[~2010-03-24 18:39 UTC | newest]
Thread overview: (only message) (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-03-24 18:39 + kernel-irq-managec-add-raise_threaded_irq.patch added to -mm tree akpm
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.