| Message ID | 20200115125417.5263-1-geert+renesas@glider.be |
|---|---|
| State | New |
| Headers | show |
| Series | thermal: rcar_thermal: Use usleep_range() instead of udelay() | expand |
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index d0873de718da9218..a8dd96d2d24c4ce5 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -219,7 +219,7 @@ static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv) * to get stable temperature. * see "Usage Notes" on datasheet */ - udelay(300); + usleep_range(300, 400); new = rcar_thermal_read(priv, THSSR) & CTEMP; if (new == old) {
rcar_thermal_update_temp() takes a mutex, so it is always called in a context that can sleep. Hence replace the 300 µs busy loop by a call to usleep_range(), to allow other threads to run. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> --- drivers/thermal/rcar_thermal.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)