i7core_edac: Fix compilation on 32 bits arch

on i386:
	ERROR: "__udivdi3" [drivers/edac/i7core_edac.ko] undefined!\

In both get_sdram_scrub_rate() and set_sdram_scrub_rate()

Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 5 insertions, 2 deletions

diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c
index 7cb68decf57d..51d251c32901 100644
--- a/drivers/edac/i7core_edac.c
+++ b/drivers/edac/i7core_edac.c
@@ -37,6 +37,7 @@
 #include <linux/smp.h>
 #include <asm/mce.h>
 #include <asm/processor.h>
+#include <asm/div64.h>
 
 #include "edac_core.h"
 
@@ -2102,7 +2103,8 @@ static int set_sdram_scrub_rate(struct mem_ctl_info *mci, u32 new_bw)
                  * program the corresponding register value.
                  */
                 scrub_interval = (unsigned long long)freq_dclk_mhz *
-                        cache_line_size * 1000000 / new_bw;
+                        cache_line_size * 1000000;
+                do_div(scrub_interval, new_bw);
 
                 if (!scrub_interval || scrub_interval > SCRUBINTERVAL_MASK)
                         return -EINVAL;
@@ -2153,7 +2155,8 @@ static int get_sdram_scrub_rate(struct mem_ctl_info *mci)
 
         /* Calculate scrub rate value into byte/sec bandwidth */
         scrub_rate =  (unsigned long long)freq_dclk_mhz *
-                1000000 * cache_line_size / scrubval;
+                1000000 * cache_line_size;
+        do_div(scrub_rate, scrubval);
         return (int)scrub_rate;
 }