Fix typo to millidegree Celsius. This aligns the comment with
another comment later on the same function. No functional change.
Signed-off-by: Marek Vasut <marek.vasut+renesas@xxxxxxxxxxx>
---
Cc: "Niklas Söderlund" <niklas.soderlund@xxxxxxxxxxxx>
Cc: "Rafael J. Wysocki" <rafael@xxxxxxxxxx>
Cc: Daniel Lezcano <daniel.lezcano@xxxxxxxxxx>
Cc: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
Cc: Lukasz Luba <lukasz.luba@xxxxxxx>
Cc: Magnus Damm <magnus.damm@xxxxxxxxx>
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-renesas-soc@xxxxxxxxxxxxxxx
---
NOTE: Sent with -U25 for the extra context which spans both comments,
the later one is at the end.
---
drivers/thermal/renesas/rcar_gen3_thermal.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/thermal/renesas/rcar_gen3_thermal.c b/drivers/thermal/renesas/rcar_gen3_thermal.c
index 45151a1733a94..af0bfe2555cb7 100644
--- a/drivers/thermal/renesas/rcar_gen3_thermal.c
+++ b/drivers/thermal/renesas/rcar_gen3_thermal.c
@@ -149,51 +149,51 @@ static inline void rcar_gen3_thermal_write(struct rcar_gen3_thermal_tsc *tsc,
static void rcar_gen3_thermal_shared_coefs(struct rcar_gen3_thermal_priv *priv)
{
priv->tj_t =
DIV_ROUND_CLOSEST((priv->ptat[1] - priv->ptat[2]) * priv->info->scale,
priv->ptat[0] - priv->ptat[2])
+ priv->info->adj_below;
}
static void rcar_gen3_thermal_tsc_coefs(struct rcar_gen3_thermal_priv *priv,
struct rcar_gen3_thermal_tsc *tsc)
{
tsc->coef.below.a = priv->info->scale * (priv->ptat[2] - priv->ptat[1]);
tsc->coef.above.a = priv->info->scale * (priv->ptat[0] - priv->ptat[1]);
tsc->coef.below.b = (priv->ptat[2] - priv->ptat[0]) * (tsc->thcode[2] - tsc->thcode[1]);
tsc->coef.above.b = (priv->ptat[0] - priv->ptat[2]) * (tsc->thcode[1] - tsc->thcode[0]);
}
static int rcar_gen3_thermal_get_temp(struct thermal_zone_device *tz, int *temp)
{
struct rcar_gen3_thermal_tsc *tsc = thermal_zone_device_priv(tz);
struct rcar_gen3_thermal_priv *priv = tsc->priv;
const struct equation_set_coef *coef;
int adj, decicelsius, reg, thcode;
- /* Read register and convert to mili Celsius */
+ /* Read register and convert to millidegree Celsius */
reg = rcar_gen3_thermal_read(tsc, REG_GEN3_TEMP) & CTEMP_MASK;
if (reg < tsc->thcode[1]) {
adj = priv->info->adj_below;
coef = &tsc->coef.below;
thcode = tsc->thcode[2];
} else {
adj = priv->info->adj_above;
coef = &tsc->coef.above;
thcode = tsc->thcode[0];
}
/*
* The dividend can't be grown as it might overflow, instead shorten the
* divisor to convert to decidegree Celsius. If we convert after the
* division precision is lost as we will scale up from whole degrees
* Celsius.
*/
decicelsius = DIV_ROUND_CLOSEST(coef->a * (thcode - reg), coef->b / 10);
/* Guaranteed operating range is -40C to 125C. */
/* Reporting is done in millidegree Celsius */
*temp = decicelsius * 100 + adj * 1000;
--
2.51.0
