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thermal: rcar_gen3_thermal: Do not shadow thcode variable

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The function rcar_gen3_thermal_calc_coefs() takes an argument called
'thcode' which shadows the static global 'thcode' variable. This is not
harmful but bad for readability and is harmful for planned changes to
the driver. The THCODE values should be read from hardware fuses if they
are available and only fallback to the global 'thcode' variable if they
are not fused.

Rename the global 'thcode' variable to 'thcodes' to avoid shadowing the
symbol in functions that take it as an argument.

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/20200610003300.884258-1-niklas.soderlund+renesas@ragnatech.se
This commit is contained in:
Niklas Söderlund 2020-06-10 02:33:00 +02:00 committed by Daniel Lezcano
parent cff1d293bb
commit 679d10df71
1 changed files with 3 additions and 3 deletions
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6
drivers/thermal/rcar_gen3_thermal.c
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@ -63,7 +63,7 @@
#define TSC_MAX_NUM 3
/* default THCODE values if FUSEs are missing */
static const int thcode[TSC_MAX_NUM][3] = {
static const int thcodes[TSC_MAX_NUM][3] = {
{ 3397, 2800, 2221 },
{ 3393, 2795, 2216 },
{ 3389, 2805, 2237 },
@ -172,7 +172,7 @@ static int rcar_gen3_thermal_get_temp(void *devdata, int *temp)
/* Read register and convert to mili Celsius */
reg = rcar_gen3_thermal_read(tsc, REG_GEN3_TEMP) & CTEMP_MASK;
if (reg <= thcode[tsc->id][1])
if (reg <= thcodes[tsc->id][1])
val = FIXPT_DIV(FIXPT_INT(reg) - tsc->coef.b1,
tsc->coef.a1);
else
@ -434,7 +434,7 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
priv->tscs[i] = tsc;
priv->thermal_init(tsc);
rcar_gen3_thermal_calc_coefs(tsc, ptat, thcode[i],
rcar_gen3_thermal_calc_coefs(tsc, ptat, thcodes[i],
*rcar_gen3_ths_tj_1);
zone = devm_thermal_zone_of_sensor_register(dev, i, tsc,