genirq: Add new functions to dummy chips

The compat functions go away when the core code is converted.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index fc27d76..adca5b4 100644 (file)
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -291,7 +291,15 @@ void clear_kstat_irqs(struct irq_desc *desc)
  * What should we do if we get a hw irq event on an illegal vector?
  * Each architecture has to answer this themself.
  */
-static void ack_bad(unsigned int irq)
+static void ack_bad(struct irq_data *data)
+{
+       struct irq_desc *desc = irq_data_to_desc(data);
+
+       print_irq_desc(data->irq, desc);
+       ack_bad_irq(data->irq);
+}
+
+static void compat_ack_bad(unsigned int irq)
 {
        struct irq_desc *desc = irq_to_desc(irq);
 
@@ -302,11 +310,16 @@ static void ack_bad(unsigned int irq)
 /*
  * NOP functions
  */
-static void noop(unsigned int irq)
+static void noop(struct irq_data *data) { }
+
+static unsigned int noop_ret(struct irq_data *data)
 {
+       return 0;
 }
 
-static unsigned int noop_ret(unsigned int irq)
+static void compat_noop(unsigned int irq) { }
+
+static unsigned int compat_noop_ret(unsigned int irq)
 {
        return 0;
 }
@@ -316,12 +329,17 @@ static unsigned int noop_ret(unsigned int irq)
  */
 struct irq_chip no_irq_chip = {
        .name           = "none",
-       .startup        = noop_ret,
-       .shutdown       = noop,
-       .enable         = noop,
-       .disable        = noop,
-       .ack            = ack_bad,
-       .end            = noop,
+       .irq_startup    = noop_ret,
+       .irq_shutdown   = noop,
+       .irq_enable     = noop,
+       .irq_disable    = noop,
+       .irq_ack        = ack_bad,
+       .startup        = compat_noop_ret,
+       .shutdown       = compat_noop,
+       .enable         = compat_noop,
+       .disable        = compat_noop,
+       .ack            = compat_ack_bad,
+       .end            = compat_noop,
 };
 
 /*
@@ -330,14 +348,21 @@ struct irq_chip no_irq_chip = {
  */
 struct irq_chip dummy_irq_chip = {
        .name           = "dummy",
-       .startup        = noop_ret,
-       .shutdown       = noop,
-       .enable         = noop,
-       .disable        = noop,
-       .ack            = noop,
-       .mask           = noop,
-       .unmask         = noop,
-       .end            = noop,
+       .irq_startup    = noop_ret,
+       .irq_shutdown   = noop,
+       .irq_enable     = noop,
+       .irq_disable    = noop,
+       .irq_ack        = noop,
+       .irq_mask       = noop,
+       .irq_unmask     = noop,
+       .startup        = compat_noop_ret,
+       .shutdown       = compat_noop,
+       .enable         = compat_noop,
+       .disable        = compat_noop,
+       .ack            = compat_noop,
+       .mask           = compat_noop,
+       .unmask         = compat_noop,
+       .end            = compat_noop,
 };
 
 /*

diff --git a/kernel/irq/internals.h b/kernel/irq/internals.h
index a805a00..562fc7e 100644 (file)
--- a/kernel/irq/internals.h
+++ b/kernel/irq/internals.h
@@ -4,6 +4,8 @@
 
 extern int noirqdebug;
 
+#define irq_data_to_desc(data) container_of(data, struct irq_desc, irq_data)
+
 /* Set default functions for irq_chip structures: */
 extern void irq_chip_set_defaults(struct irq_chip *chip);