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path: root/drivers/infiniband/hw/cxgb4/device.c
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Diffstat (limited to 'drivers/infiniband/hw/cxgb4/device.c')
-rw-r--r--drivers/infiniband/hw/cxgb4/device.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/cxgb4/device.c b/drivers/infiniband/hw/cxgb4/device.c
index df1f1b5..03b6fa1 100644
--- a/drivers/infiniband/hw/cxgb4/device.c
+++ b/drivers/infiniband/hw/cxgb4/device.c
@@ -33,6 +33,7 @@
#include <linux/moduleparam.h>
#include <linux/debugfs.h>
#include <linux/vmalloc.h>
+#include <linux/math64.h>
#include <rdma/ib_verbs.h>
@@ -150,7 +151,7 @@ static int wr_log_show(struct seq_file *seq, void *v)
int prev_ts_set = 0;
int idx, end;
-#define ts2ns(ts) ((ts) * dev->rdev.lldi.cclk_ps / 1000)
+#define ts2ns(ts) div64_ul((ts) * dev->rdev.lldi.cclk_ps, 1000)
idx = atomic_read(&dev->rdev.wr_log_idx) &
(dev->rdev.wr_log_size - 1);
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