drm/tegra: dsi: Replace 1000000000UL by NSEC_PER_SEC
Using the symbolic constant instantly provides a lot more context.
Signed-off-by: Thierry Reding <treding@nvidia.com>
diff --git a/drivers/gpu/drm/tegra/dsi.c b/drivers/gpu/drm/tegra/dsi.c
index 6646fa2..2f12258e 100644
--- a/drivers/gpu/drm/tegra/dsi.c
+++ b/drivers/gpu/drm/tegra/dsi.c
@@ -349,7 +349,7 @@
if (rate < 0)
return rate;
- period = DIV_ROUND_CLOSEST(1000000000UL, rate * 2);
+ period = DIV_ROUND_CLOSEST(NSEC_PER_SEC, rate * 2);
err = mipi_dphy_timing_get_default(&timing, period);
if (err < 0)