diff options
Diffstat (limited to 'drivers/edac')
| -rw-r--r-- | drivers/edac/i7core_edac.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/edac/i7core_edac.c b/drivers/edac/i7core_edac.c index 7cb68decf57..51d251c3290 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; } |