On 11/18/2014 12:44 AM, Eduardo Valentin wrote:
Different drivers request API extensions in of-thermal. For this reason,
additional callbacks are required to fit the new drivers needs.
The current API implementation expects the registering sensor driver
to provide a get_temp and get_trend callbacks as function parameters.
As the amount of callbacks is growing, this patch changes the existing
implementation to use a .ops field to hold all the of thermal callbacks
to sensor drivers.
This patch also changes the existing of-thermal users to fit the new
API design. No functional change is introduced in this patch.
Cc: Alexandre Courbot <gnurou@xxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: Grant Likely <grant.likely@xxxxxxxxxx>
Cc: Guenter Roeck <linux@xxxxxxxxxxxx>
Cc: Jean Delvare <jdelvare@xxxxxxx>
Cc: linux-kernel@xxxxxxxxxxxxxxx
Cc: linux-pm@xxxxxxxxxxxxxxx
Cc: linux-tegra@xxxxxxxxxxxxxxx
Cc: lm-sensors@xxxxxxxxxxxxxx
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: Stephen Warren <swarren@xxxxxxxxxxxxx>
Cc: Thierry Reding <thierry.reding@xxxxxxxxx>
Cc: Zhang Rui <rui.zhang@xxxxxxxxx>
Signed-off-by: Eduardo Valentin <edubezval@xxxxxxxxx>
---
Difference from V1:
- Fix error handling when .get_trend is not provided.
---
drivers/hwmon/lm75.c | 9 +++--
drivers/hwmon/ntc_thermistor.c | 6 +++-
drivers/hwmon/tmp102.c | 6 +++-
drivers/thermal/of-thermal.c | 41 +++++++++-------------
drivers/thermal/tegra_soctherm.c | 7 ++--
drivers/thermal/ti-soc-thermal/ti-thermal-common.c | 8 +++--
include/linux/thermal.h | 24 +++++++++----
7 files changed, 62 insertions(+), 39 deletions(-)
...
diff --git a/drivers/thermal/tegra_soctherm.c b/drivers/thermal/tegra_soctherm.c
index 70f7e9e..893c39c 100644
--- a/drivers/thermal/tegra_soctherm.c
+++ b/drivers/thermal/tegra_soctherm.c
@@ -317,6 +317,10 @@ static int tegra_thermctl_get_temp(void *data, long *out_temp)
return 0;
}
+static const struct thermal_zone_of_device_ops tegra_of_thermal_ops = {
+ .get_trend = tegra_thermctl_get_temp,
+};
This should probably read ".get_temp = tegra_thermctl_get_temp" instead
of .get_trend :)
...
Cheers,
Mikko
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