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thermal: rcar_gen3_thermal: record and check number of TSCs found

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Record how many TSCs are found in struct rcar_gen3_thermal_priv, this is
needed to be able to add hardware interrupts for trip points later. Also
add a check to make sure at least one TSC is found.

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Niklas Söderlund 2017-03-29 20:43:53 +02:00 committed by Eduardo Valentin
parent d51546c0db
commit 97dad1f1d2
1 changed files with 8 additions and 0 deletions
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8
drivers/thermal/rcar_gen3_thermal.c
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@ -75,6 +75,7 @@ struct rcar_gen3_thermal_tsc {
struct rcar_gen3_thermal_priv {
struct rcar_gen3_thermal_tsc *tscs[TSC_MAX_NUM];
unsigned int num_tscs;
};
struct rcar_gen3_thermal_data {
@ -307,6 +308,13 @@ static int rcar_gen3_thermal_probe(struct platform_device *pdev)
tsc->zone = zone;
}
priv->num_tscs = i;
if (!priv->num_tscs) {
ret = -ENODEV;
goto error_unregister;
}
return 0;
error_unregister: