From: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Date: Fri, 3 Aug 2007 14:33:38 +0000 (+0900)
Subject: [MIPS] Remove dead code from irq_txx9.c
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=5d3fdeacee5d071a5c3d674231bf00cfa5d35a7a;p=openwrt%2Fstaging%2Fblogic.git

[MIPS] Remove dead code from irq_txx9.c

Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
---

diff --git a/arch/mips/kernel/irq_txx9.c b/arch/mips/kernel/irq_txx9.c
index 172e14b461df..a4d1462c27f7 100644
--- a/arch/mips/kernel/irq_txx9.c
+++ b/arch/mips/kernel/irq_txx9.c
@@ -105,13 +105,9 @@ static void txx9_irq_mask_ack(unsigned int irq)
 	unsigned int irq_nr = irq - TXX9_IRQ_BASE;
 
 	txx9_irq_mask(irq);
-	if (TXx9_IRCR_EDGE(txx9irq[irq_nr].mode)) {
-		/* clear edge detection */
-		u32 cr = __raw_readl(&txx9_ircptr->cr[irq_nr / 8]);
-		cr = (cr >> ((irq_nr & (8 - 1)) * 2)) & 3;
-		__raw_writel(TXx9_IRSCR_EIClrE | irq_nr,
-			     &txx9_ircptr->scr);
-	}
+	/* clear edge detection */
+	if (unlikely(TXx9_IRCR_EDGE(txx9irq[irq_nr].mode)))
+		__raw_writel(TXx9_IRSCR_EIClrE | irq_nr, &txx9_ircptr->scr);
 }
 
 static int txx9_irq_set_type(unsigned int irq, unsigned int flow_type)