Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
  xen: Do not suspend IPI IRQs.
  powerpc: Use IRQF_NO_SUSPEND not IRQF_TIMER for non-timer interrupts
  ixp4xx-beeper: Use IRQF_NO_SUSPEND not IRQF_TIMER for non-timer interrupt
  irq: Add new IRQ flag IRQF_NO_SUSPEND

6 files changed, 18 insertions, 9 deletions

diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index 06a137c5b8bb..480567e5fa9a 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -542,11 +542,12 @@ static struct pmac_i2c_host_kw *__init kw_i2c_host_init(struct device_node *np)
         /* Make sure IRQ is disabled */
         kw_write_reg(reg_ier, 0);
 
-        /* Request chip interrupt. We set IRQF_TIMER because we don't
+        /* Request chip interrupt. We set IRQF_NO_SUSPEND because we don't
          * want that interrupt disabled between the 2 passes of driver
          * suspend or we'll have issues running the pfuncs
          */
-        if (request_irq(host->irq, kw_i2c_irq, IRQF_TIMER, "keywest i2c", host))
+        if (request_irq(host->irq, kw_i2c_irq, IRQF_NO_SUSPEND,
+                        "keywest i2c", host))
                 host->irq = NO_IRQ;
 
         printk(KERN_INFO "KeyWest i2c @0x%08x irq %d %s\n",
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 9946d73624b9..9dfd6e5f786f 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -115,7 +115,8 @@ static int __devinit ixp4xx_spkr_probe(struct platform_device *dev)
         input_dev->event = ixp4xx_spkr_event;
 
         err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt,
-                          IRQF_DISABLED | IRQF_TIMER, "ixp4xx-beeper", (void *) dev->id);
+                          IRQF_DISABLED | IRQF_NO_SUSPEND, "ixp4xx-beeper",
+                          (void *) dev->id);
         if (err)
                 goto err_free_device;
 
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index 3d4fc0f7b00b..35bc2737412f 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -400,11 +400,12 @@ static int __init via_pmu_start(void)
                 printk(KERN_ERR "via-pmu: can't map interrupt\n");
                 return -ENODEV;
         }
-        /* We set IRQF_TIMER because we don't want the interrupt to be disabled
-         * between the 2 passes of driver suspend, we control our own disabling
-         * for that one
+        /* We set IRQF_NO_SUSPEND because we don't want the interrupt
+         * to be disabled between the 2 passes of driver suspend, we
+         * control our own disabling for that one
          */
-        if (request_irq(irq, via_pmu_interrupt, IRQF_TIMER, "VIA-PMU", (void *)0)) {
+        if (request_irq(irq, via_pmu_interrupt, IRQF_NO_SUSPEND,
+                        "VIA-PMU", (void *)0)) {
                 printk(KERN_ERR "via-pmu: can't request irq %d\n", irq);
                 return -ENODEV;
         }
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 5e1f34892dcc..72f91bff29c7 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -550,6 +550,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
         if (irq < 0)
                 return irq;
 
+        irqflags |= IRQF_NO_SUSPEND;
         retval = request_irq(irq, handler, irqflags, devname, dev_id);
         if (retval != 0) {
                 unbind_from_irq(irq);
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index c2331138ca1b..a0384a4d1e6f 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -53,16 +53,21 @@
  * IRQF_ONESHOT - Interrupt is not reenabled after the hardirq handler finished.
  *                Used by threaded interrupts which need to keep the
  *                irq line disabled until the threaded handler has been run.
+ * IRQF_NO_SUSPEND - Do not disable this IRQ during suspend
+ *
  */
 #define IRQF_DISABLED           0x00000020
 #define IRQF_SAMPLE_RANDOM      0x00000040
 #define IRQF_SHARED             0x00000080
 #define IRQF_PROBE_SHARED       0x00000100
-#define IRQF_TIMER              0x00000200
+#define __IRQF_TIMER            0x00000200
 #define IRQF_PERCPU             0x00000400
 #define IRQF_NOBALANCING        0x00000800
 #define IRQF_IRQPOLL            0x00001000
 #define IRQF_ONESHOT            0x00002000
+#define IRQF_NO_SUSPEND         0x00004000
+
+#define IRQF_TIMER              (__IRQF_TIMER | IRQF_NO_SUSPEND)
 
 /*
  * Bits used by threaded handlers:
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index e1497481fe8a..c3003e9d91a3 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -216,7 +216,7 @@ static inline int setup_affinity(unsigned int irq, struct irq_desc *desc)
 void __disable_irq(struct irq_desc *desc, unsigned int irq, bool suspend)
 {
         if (suspend) {
-                if (!desc->action || (desc->action->flags & IRQF_TIMER))
+                if (!desc->action || (desc->action->flags & IRQF_NO_SUSPEND))
                         return;
                 desc->status |= IRQ_SUSPENDED;
         }