[PATCH 1/1] ov13858: Use do_div() for dividing a 64-bit number

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



ov13858 contained a 64-bit division. Use do_div() for calculating it.

Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
 drivers/media/i2c/ov13858.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/ov13858.c b/drivers/media/i2c/ov13858.c
index 2bd659976c30..5030f4ebe056 100644
--- a/drivers/media/i2c/ov13858.c
+++ b/drivers/media/i2c/ov13858.c
@@ -951,7 +951,12 @@ static const char * const ov13858_test_pattern_menu[] = {
  * pixel_rate = link_freq * data-rate * nr_of_lanes / bits_per_sample
  * data rate => double data rate; number of lanes => 4; bits per pixel => 10
  */
-#define LINK_FREQ_TO_PIXEL_RATE(f)	(((f) * 2 * 4) / 10)
+#define LINK_FREQ_TO_PIXEL_RATE(f)					\
+	({								\
+		u64 __link_freq_to_pixel_rate_tmp = (f) * 2 * 4;	\
+		do_div(__link_freq_to_pixel_rate_tmp, 10);		\
+		__link_freq_to_pixel_rate_tmp;				\
+	})
 
 /* Menu items for LINK_FREQ V4L2 control */
 static const s64 link_freq_menu_items[OV13858_NUM_OF_LINK_FREQS] = {
-- 
2.11.0




[Index of Archives]     [Linux Input]     [Video for Linux]     [Gstreamer Embedded]     [Mplayer Users]     [Linux USB Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [Yosemite Backpacking]
  Powered by Linux