Sorry for late comments :(
On 30 October 2012 22:19, hongbo.zhang <hongbo.zh...@linaro.org> wrote:
> From: "hongbo.zhang" <hongbo.zh...@linaro.com>
>
> This diver is based on the thermal management framework in thermal_sys.c. A
s/diver/driver
> thermal zone device is created with the trip points to which cooling devices
> can be bound, the current cooling device is cpufreq, e.g. CPU frequency is
> clipped down to cool the CPU, and other cooling devices can be added and bound
> to the trip points dynamically. The platform specific PRCMU interrupts are
> used to active thermal update when trip points are reached.
>
> Signed-off-by: hongbo.zhang <hongbo.zh...@linaro.com>
> ---
> .../devicetree/bindings/thermal/db8500-thermal.txt | 40 ++
> drivers/thermal/Kconfig | 20 +
> drivers/thermal/Makefile | 2 +
> drivers/thermal/db8500_cpufreq_cooling.c | 108 +++++
> drivers/thermal/db8500_thermal.c | 531
> +++++++++++++++++++++
> include/linux/platform_data/db8500_thermal.h | 38 ++
> 6 files changed, 739 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/thermal/db8500-thermal.txt
> create mode 100644 drivers/thermal/db8500_cpufreq_cooling.c
> create mode 100644 drivers/thermal/db8500_thermal.c
> create mode 100644 include/linux/platform_data/db8500_thermal.h
>
> diff --git a/Documentation/devicetree/bindings/thermal/db8500-thermal.txt
> b/Documentation/devicetree/bindings/thermal/db8500-thermal.txt
> new file mode 100644
> index 0000000..cab6916
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/thermal/db8500-thermal.txt
> @@ -0,0 +1,40 @@
> +* ST-Ericsson DB8500 Thermal
> +
> +** Thermal node properties:
> +
> +- compatible : "stericsson,db8500-thermal";
> +- reg : address range of the thermal sensor registers;
> +- interrupts : interrupts generated from PRCMU;
> +- interrupt-names : "IRQ_HOTMON_LOW" and "IRQ_HOTMON_HIGH";
Just mention here that below properties are optional or required.
> +- num-trips : number of total trip points;
> +- tripN-temp : temperature of trip point N, should be in ascending order;
> +- tripN-type : type of trip point N, should be one of "active" "passive"
> "hot" "critical";
> +- tripN-cdev-num : number of the cooling devices which can be bound to trip
> point N;
> +- tripN-cdev-nameM : name of the No. M cooling device of trip point N;
> diff --git a/drivers/thermal/db8500_thermal.c
> b/drivers/thermal/db8500_thermal.c
> +static int db8500_thermal_match_cdev(struct thermal_cooling_device *cdev,
> + struct db8500_trip_point *trip_points)
> +{
> + int i;
> + char *cdev_name;
> +
> + if (!strlen(cdev->type))
> + return -EINVAL;
> +
> + for (i = 0; i < COOLING_DEV_MAX; i++) {
> + cdev_name = trip_points->cdev_name[i];
> + if (!strcmp(cdev_name, cdev->type))
You can actually remove cdev_name variable. and use
if (!strcmp(trip_points->cdev_name[i], cdev->type))
> + return 0;
> + }
> +
> + return -ENODEV;
> +}
> +#ifdef CONFIG_OF
> +static struct db8500_thsens_platform_data*
> + db8500_thermal_parse_dt(struct platform_device *pdev)
> +{
> + for (j = 0; j < tmp_data; j++) {
> + sprintf(prop_name, "trip%d-cdev-name%d", i, j);
> + if (of_property_read_string(np, prop_name, &tmp_str))
> + goto err_parse_dt;
> +
> + if (strlen(tmp_str) > THERMAL_NAME_LENGTH)
> + goto err_parse_dt;
> +
> + strcpy(ptrips->trip_points[i].cdev_name[j], tmp_str);
want to check if it is copied or not??
> + }
> + }
> + return ptrips;
> +
> +err_parse_dt:
> + dev_err(&pdev->dev, "Parsing device tree data error.\n");
> + return NULL;
> +}
After these please add my:
Reviewed-by: Viresh Kumar <viresh.ku...@linaro.org>
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