commit c402c110721ed53916595473aed1013acde95bab
author Russell King <rmk+kernel@arm.linux.org.uk> Thu Mar 01 17:54:11 2012 +0000
committer Russell King <rmk+kernel@arm.linux.org.uk> Sat Mar 24 09:37:36 2012 +0000
tree c337a6340b76f800151b378a2c0126f22331cd4e
parent 6e747b4b83c2290b465aabd1ac006332430e2b2e

ARM: riscpc: use irq chip data in ecard.c

Use irq chip data to store the expansion card data pointer, rather
than converting from the interrupt number to a slot number.  This
allows the interrupt chip methods to avoid knowing about interrupt
numbering.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-rpc/ecard.c

diff --git a/arch/arm/mach-rpc/ecard.c b/arch/arm/mach-rpc/ecard.c
index 4dd0eda..ec84cfd 100644
--- a/arch/arm/mach-rpc/ecard.c
+++ b/arch/arm/mach-rpc/ecard.c
@@ -445,7 +445,7 @@
  */
 static void ecard_irq_unmask(struct irq_data *d)
 {
-	ecard_t *ec = slot_to_ecard(d->irq - 32);
+	ecard_t *ec = irq_data_get_irq_chip_data(d);
 
 	if (ec) {
 		if (!ec->ops)
@@ -461,7 +461,7 @@
 
 static void ecard_irq_mask(struct irq_data *d)
 {
-	ecard_t *ec = slot_to_ecard(d->irq - 32);
+	ecard_t *ec = irq_data_get_irq_chip_data(d);
 
 	if (ec) {
 		if (!ec->ops)
@@ -1039,6 +1039,7 @@
 		ec->irq = 32 + slot;
 		irq_set_chip_and_handler(ec->irq, &ecard_chip,
 					 handle_level_irq);
+		irq_set_chip_data(ec->irq, ec);
 		set_irq_flags(ec->irq, IRQF_VALID);
 	}