genirq: Provide config option to disable deprecated code
This option covers now the old chip functions and the irq_desc data
fields which are moving to struct irq_data. More stuff will follow.
Pretty handy for testing a conversion, whether something broke or not.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index f2c4d28..3235479 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -324,6 +324,7 @@
desc->status |= IRQ_MASKED;
}
+#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
/* Temporary migration helpers */
static void compat_irq_mask(struct irq_data *data)
{
@@ -400,12 +401,14 @@
{
data->chip->bus_sync_unlock(data->irq);
}
+#endif
/*
* Fixup enable/disable function pointers
*/
void irq_chip_set_defaults(struct irq_chip *chip)
{
+#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
/*
* Compat fixup functions need to be before we set the
* defaults for enable/disable/startup/shutdown
@@ -418,7 +421,7 @@
chip->irq_shutdown = compat_irq_shutdown;
if (chip->startup)
chip->irq_startup = compat_irq_startup;
-
+#endif
/*
* The real defaults
*/
@@ -437,6 +440,8 @@
if (!chip->irq_shutdown)
chip->irq_shutdown = chip->irq_disable != default_disable ?
chip->irq_disable : default_shutdown;
+
+#ifndef CONFIG_GENERIC_HARDIRQS_NO_DEPRECATED
if (!chip->end)
chip->end = dummy_irq_chip.end;
@@ -465,6 +470,7 @@
chip->irq_set_wake = compat_irq_set_wake;
if (chip->retrigger)
chip->irq_retrigger = compat_irq_retrigger;
+#endif
}
static inline void mask_ack_irq(struct irq_desc *desc)