[PATCH] ARM: 2721/1: remove reliance on udivdi3 for pxafb driver

Patch from Nicolas Pitre

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

diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 815fbc8317fc612ab33bad2682bdd6133ad9a5cc..16e37a535d850f83e065d82b9b66069f87cdbb5d 100644 (file)
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -43,6 +43,7 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 #include <asm/uaccess.h>
+#include <asm/div64.h>
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/bitfield.h>
 #include <asm/arch/pxafb.h>
@@ -460,7 +461,7 @@ static inline unsigned int get_pcd(unsigned int pixclock)
          * speeds */
 
        pcd = (unsigned long long)get_lcdclk_frequency_10khz() * pixclock;
-       pcd /= 100000000 * 2;
+       do_div(pcd, 100000000 * 2);
        /* no need for this, since we should subtract 1 anyway. they cancel */
        /* pcd += 1; */ /* make up for integer math truncations */
        return (unsigned int)pcd;