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Diffstat (limited to 'drivers/media/tuners/qm1d1c0042.c')
-rw-r--r--drivers/media/tuners/qm1d1c0042.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/media/tuners/qm1d1c0042.c b/drivers/media/tuners/qm1d1c0042.c
index 585594b9c4f8..2a990f406cf5 100644
--- a/drivers/media/tuners/qm1d1c0042.c
+++ b/drivers/media/tuners/qm1d1c0042.c
@@ -28,6 +28,7 @@
*/
#include <linux/kernel.h>
+#include <linux/math64.h>
#include "qm1d1c0042.h"
#define QM1D1C0042_NUM_REGS 0x20
@@ -234,7 +235,9 @@ static int qm1d1c0042_set_params(struct dvb_frontend *fe)
* sd = b (b >= 0)
* 1<<22 + b (b < 0)
*/
- b = (((s64) freq) << 20) / state->cfg.xtal_freq - (((s64) a) << 20);
+ b = (s32)div64_s64(((s64) freq) << 20,
+ state->cfg.xtal_freq - (((s64) a) << 20));
+
if (b >= 0)
sd = b;
else

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