diff options
| author | Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> | 2020-03-10 18:00:29 +0100 |
|---|---|---|
| committer | Daniel Lezcano <daniel.lezcano@linaro.org> | 2020-03-20 12:17:48 +0100 |
| commit | 0fa04202078a7dae3a1199bd61951de3d915ede6 (patch) | |
| tree | aa16dcaf41e43e23b38a4be690c3e8e965a2fab4 /drivers/thermal | |
| parent | 57ed737f1646579bf77070109c18ea78db690d18 (diff) | |
thermal: rcar_thermal: Remove lock in rcar_thermal_get_current_temp()
With the ctemp value returned instead of cached in the private data
structure their is no need to take the lock when translating ctemp into
a temperature.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/20200310170029.1648996-4-niklas.soderlund+renesas@ragnatech.se
Diffstat (limited to 'drivers/thermal')
| -rw-r--r-- | drivers/thermal/rcar_thermal.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/thermal/rcar_thermal.c b/drivers/thermal/rcar_thermal.c index 4a45b314ef30..e0c1f2409035 100644 --- a/drivers/thermal/rcar_thermal.c +++ b/drivers/thermal/rcar_thermal.c @@ -254,24 +254,20 @@ err_out_unlock: static int rcar_thermal_get_current_temp(struct rcar_thermal_priv *priv, int *temp) { - int ctemp, tmp; + int ctemp; ctemp = rcar_thermal_update_temp(priv); if (ctemp < 0) return ctemp; - mutex_lock(&priv->lock); + /* Guaranteed operating range is -45C to 125C. */ + if (priv->chip->ctemp_bands == 1) - tmp = MCELSIUS((ctemp * 5) - 65); + *temp = MCELSIUS((ctemp * 5) - 65); else if (ctemp < 24) - tmp = MCELSIUS(((ctemp * 55) - 720) / 10); + *temp = MCELSIUS(((ctemp * 55) - 720) / 10); else - tmp = MCELSIUS((ctemp * 5) - 60); - mutex_unlock(&priv->lock); - - /* Guaranteed operating range is -45C to 125C. */ - - *temp = tmp; + *temp = MCELSIUS((ctemp * 5) - 60); return 0; } |