pxafb: lcsr1 is unused without CONFIG_FB_PXA_OVERLAY

Fixes the warning:

  drivers/video/pxafb.c: In function 'pxafb_handle_irq':
  drivers/video/pxafb.c:1442: warning: unused variable 'lcsr1'

[akpm@linux-foundation.org: save an ifdef]
Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 84f63205c46d1478ea4519e21b87f404caa6988d..0889d50c3288e127e97fe604bcdb4fa2d52b6224 100644 (file)
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1439,7 +1439,7 @@ static void pxafb_disable_controller(struct pxafb_info *fbi)
 static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
 {
        struct pxafb_info *fbi = dev_id;
-       unsigned int lccr0, lcsr, lcsr1;
+       unsigned int lccr0, lcsr;
 
        lcsr = lcd_readl(fbi, LCSR);
        if (lcsr & LCSR_LDD) {
@@ -1455,14 +1455,16 @@ static irqreturn_t pxafb_handle_irq(int irq, void *dev_id)
        lcd_writel(fbi, LCSR, lcsr);
 
 #ifdef CONFIG_FB_PXA_OVERLAY
-       lcsr1 = lcd_readl(fbi, LCSR1);
-       if (lcsr1 & LCSR1_BS(1))
-               complete(&fbi->overlay[0].branch_done);
+       {
+               unsigned int lcsr1 = lcd_readl(fbi, LCSR1);
+               if (lcsr1 & LCSR1_BS(1))
+                       complete(&fbi->overlay[0].branch_done);
 
-       if (lcsr1 & LCSR1_BS(2))
-               complete(&fbi->overlay[1].branch_done);
+               if (lcsr1 & LCSR1_BS(2))
+                       complete(&fbi->overlay[1].branch_done);
 
-       lcd_writel(fbi, LCSR1, lcsr1);
+               lcd_writel(fbi, LCSR1, lcsr1);
+       }
 #endif
        return IRQ_HANDLED;
 }