genirq: Implement irq_data based move_*_irq() versions

No need to lookup the irq descriptor when calling from a chip callback
function which has irq_data already handy.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 19 insertions, 9 deletions

diff --git a/kernel/irq/migration.c b/kernel/irq/migration.c
index 7a93c6b88b25..ec4806d4778b 100644
--- a/kernel/irq/migration.c
+++ b/kernel/irq/migration.c
@@ -4,10 +4,10 @@
 
 #include "internals.h"
 
-void move_masked_irq(int irq)
+void irq_move_masked_irq(struct irq_data *idata)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
-        struct irq_chip *chip = desc->irq_data.chip;
+        struct irq_desc *desc = irq_data_to_desc(idata);
+        struct irq_chip *chip = idata->chip;
 
         if (likely(!irqd_is_setaffinity_pending(&desc->irq_data)))
                 return;
@@ -53,12 +53,17 @@ void move_masked_irq(int irq)
         cpumask_clear(desc->pending_mask);
 }
 
-void move_native_irq(int irq)
+void move_masked_irq(int irq)
+{
+        irq_move_masked_irq(irq_get_irq_data(irq));
+}
+
+void irq_move_irq(struct irq_data *idata)
 {
-        struct irq_desc *desc = irq_to_desc(irq);
+        struct irq_desc *desc = irq_data_to_desc(idata);
         bool masked;
 
-        if (likely(!irqd_is_setaffinity_pending(&desc->irq_data)))
+        if (likely(!irqd_is_setaffinity_pending(idata)))
                 return;
 
         if (unlikely(desc->istate & IRQS_DISABLED))
@@ -71,8 +76,13 @@ void move_native_irq(int irq)
          */
         masked = desc->istate & IRQS_MASKED;
         if (!masked)
-                desc->irq_data.chip->irq_mask(&desc->irq_data);
-        move_masked_irq(irq);
+                idata->chip->irq_mask(idata);
+        irq_move_masked_irq(idata);
         if (!masked)
-                desc->irq_data.chip->irq_unmask(&desc->irq_data);
+                idata->chip->irq_unmask(idata);
+}
+
+void move_native_irq(int irq)
+{
+        irq_move_irq(irq_get_irq_data(irq));
 }