[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-pxa/pcm990-baseboard.c b/arch/arm/mach-pxa/pcm990-baseboard.c
index e9efb80..f601425 100644
--- a/arch/arm/mach-pxa/pcm990-baseboard.c
+++ b/arch/arm/mach-pxa/pcm990-baseboard.c
@@ -262,8 +262,7 @@
 					GPIO_bit(PCM990_CTRL_INT_IRQ_GPIO);
 		if (likely(pending)) {
 			irq = PCM027_IRQ(0) + __ffs(pending);
-			desc = irq_desc + irq;
-			desc_handle_irq(irq, desc);
+			generic_handle_irq(irq);
 		}
 		pending = (~PCM990_INTSETCLR) & pcm990_irq_enabled;
 	} while (pending);