[ARM] 5298/1: Drop desc_handle_irq()

desc_handle_irq() was declared as obsolete since long ago.
Replace it with generic_handle_irq()

Signed-off-by: Dmitry Baryshkov <dbaryshkov@gmail.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ixp2000/core.c b/arch/arm/mach-ixp2000/core.c
index a6a4f93..e193a34 100644
--- a/arch/arm/mach-ixp2000/core.c
+++ b/arch/arm/mach-ixp2000/core.c
@@ -311,8 +311,7 @@
 		   
 	for (i = 0; i <= 7; i++) {
 		if (status & (1<<i)) {
-			desc = irq_desc + i + IRQ_IXP2000_GPIO0;
-			desc_handle_irq(i + IRQ_IXP2000_GPIO0, desc);
+			generic_handle_irq(i + IRQ_IXP2000_GPIO0);
 		}
 	}
 }
@@ -404,8 +403,7 @@
 
 	for(i = 31; i >= 0; i--) {
 		if(status & (1 << i)) {
-			desc = irq_desc + IRQ_IXP2000_DRAM0_MIN_ERR + i;
-			desc_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i, desc);
+			generic_handle_irq(IRQ_IXP2000_DRAM0_MIN_ERR + i);
 		}
 	}
 }