Re: [PATCH 2/3] thermal: Add Mediatek thermal driver for mt2701.

Keerthy
2016-08-09T05:57:56Z

On Tuesday 09 August 2016 11:25 AM, dawei chien wrote:
> Dear Keerthy,
>
> On Mon, 2016-07-11 at 16:56 +0800, dawei chien wrote:
>> Dear Keerthy,
>>
>> On Thu, 2016-07-07 at 17:24 +0530, Keerthy wrote:
>>> Hi Dawei Chien,
>>>
>>>
>>> On Thursday 07 July 2016 02:36 PM, Dawei Chien wrote:
>>>> This patch adds support for mt2701 chip to mtk_thermal.c,
>>>> and integrate both mt8173 and mt2701 on the same driver.
>>>> MT8173 has four banks and five sensors, and MT2701 has
>>>> only one bank and three sensors.
>>>>
>>>> Signed-off-by: Dawei Chien <dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
>>>> ---
>>>> drivers/thermal/mtk_thermal.c | 258 ++++++++++++++++++++++++++---------------
>>>> 1 file changed, 165 insertions(+), 93 deletions(-)
>>>>
>>>> diff --git a/drivers/thermal/mtk_thermal.c b/drivers/thermal/mtk_thermal.c
>>>> index 262ab0a..860f2e2 100644
>>>> --- a/drivers/thermal/mtk_thermal.c
>>>> +++ b/drivers/thermal/mtk_thermal.c
>>>> @@ -2,6 +2,7 @@
>>>> * Copyright (c) 2015 MediaTek Inc.
>>>> * Author: Hanyi Wu <hanyi.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
>>>> * Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>
>>>> + * Dawei Chien <dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>
>>>> *
>>>> * This program is free software; you can redistribute it and/or modify
>>>> * it under the terms of the GNU General Public License version 2 as
>>>> @@ -21,6 +22,7 @@
>>>> #include <linux/nvmem-consumer.h>
>>>> #include <linux/of.h>
>>>> #include <linux/of_address.h>
>>>> +#include <linux/of_device.h>
>>>> #include <linux/platform_device.h>
>>>> #include <linux/slab.h>
>>>> #include <linux/io.h>
>>>> @@ -88,6 +90,7 @@
>>>> #define TEMP_ADCVALIDMASK_VALID_HIGH BIT(5)
>>>> #define TEMP_ADCVALIDMASK_VALID_POS(bit) (bit)
>>>>
>>>> +/* MT8173 thermal sensors */
>>>> #define MT8173_TS1 0
>>>> #define MT8173_TS2 1
>>>> #define MT8173_TS3 2
>>>> @@ -97,35 +100,62 @@
>>>> /* AUXADC channel 11 is used for the temperature sensors */
>>>> #define MT8173_TEMP_AUXADC_CHANNEL 11
>>>>
>>>> -/* The total number of temperature sensors in the MT8173 */
>>>> -#define MT8173_NUM_SENSORS 5
>>>> -
>>>> -/* The number of banks in the MT8173 */
>>>> -#define MT8173_NUM_ZONES 4
>>>> -
>>>> -/* The number of sensing points per bank */
>>>> -#define MT8173_NUM_SENSORS_PER_ZONE 4
>>>> -
>>>> /* Layout of the fuses providing the calibration data */
>>>> -#define MT8173_CALIB_BUF0_VALID BIT(0)
>>>> -#define MT8173_CALIB_BUF1_ADC_GE(x) (((x) >> 22) & 0x3ff)
>>>> -#define MT8173_CALIB_BUF0_VTS_TS1(x) (((x) >> 17) & 0x1ff)
>>>> -#define MT8173_CALIB_BUF0_VTS_TS2(x) (((x) >> 8) & 0x1ff)
>>>> -#define MT8173_CALIB_BUF1_VTS_TS3(x) (((x) >> 0) & 0x1ff)
>>>> -#define MT8173_CALIB_BUF2_VTS_TS4(x) (((x) >> 23) & 0x1ff)
>>>> -#define MT8173_CALIB_BUF2_VTS_TSABB(x) (((x) >> 14) & 0x1ff)
>>>> -#define MT8173_CALIB_BUF0_DEGC_CALI(x) (((x) >> 1) & 0x3f)
>>>> -#define MT8173_CALIB_BUF0_O_SLOPE(x) (((x) >> 26) & 0x3f)
>>>> +#define CALIB_BUF0_VALID BIT(0)
>>>> +#define CALIB_BUF1_ADC_GE(x) (((x) >> 22) & 0x3ff)
>>>> +#define CALIB_BUF0_VTS_TS1(x) (((x) >> 17) & 0x1ff)
>>>> +#define CALIB_BUF0_VTS_TS2(x) (((x) >> 8) & 0x1ff)
>>>> +#define CALIB_BUF1_VTS_TS3(x) (((x) >> 0) & 0x1ff)
>>>> +#define CALIB_BUF2_VTS_TS4(x) (((x) >> 23) & 0x1ff)
>>>> +#define CALIB_BUF2_VTS_TS5(x) (((x) >> 14) & 0x1ff)
>>>> +#define CALIB_BUF0_DEGC_CALI(x) (((x) >> 1) & 0x3f)
>>>> +#define CALIB_BUF0_O_SLOPE(x) (((x) >> 26) & 0x3f)
>>>> +
>>>
>>> IMHO the above changes from defining CALIB_BUF1_ADC_GE(x) to
>>> CALIB_BUF0_O_SLOPE(x) can be avoided. We are just renaming the same
>>> defines to a generic name. Instead the macro starting with MT8173 can
>>> only be used wherever needed commonly both by 8173 instance and for
>>> 2701 instance.
>>>
>>
>> I would have a try to keep MT8173 original one and add some comment for
>> the macro starting on next version.
>
> Just confirm again,
> we don't need change common macro name, and just need to add comment for
> MT8173/MT2701, right?

Yes

>
>>>> +#define NVMEM_TS1 0
>>>> +#define NVMEM_TS2 1
>>>> +#define NVMEM_TS3 2
>>>> +#define NVMEM_TS4 3
>>>> +#define NVMEM_TS5 4
>>>> +
>>
>> Does these need to keep the old one
>> MT8173_TS1/MT8173_TS2/MT8173_TS3/MT8173_TS4/MT8173_TSABB
>
> MT8173 has 5 sensors, so it need 5 address for calibration data.
> And MT2701 has three sensors, so it need 3 address for that.
>
> Do you think we need either keep the original one or rename for these.
>
>>
>>
>>>> +/* MT2701 thermal sensors */
>>>> +#define MT2701_TS1 0
>>>> +#define MT2701_TS2 1
>>>> +#define MT2701_TSABB 2
>>>> +
>>>> +/* AUXADC channel 11 is used for the temperature sensors */
>>>> +#define MT2701_TEMP_AUXADC_CHANNEL 11
>>>>
>>>> #define THERMAL_NAME "mtk-thermal"
>>>>
>>>> +/* Maximum support banks */
>>>> +#define MAX_NUM_BANK 5
>>>
>>> Why is this 5?
>>> Commit message states: MT8173 has four banks and five sensors, and
>>> MT2701 has only one bank and three sensors. Am i missing something here?
>>>
>>
>> This is my miss, it should be 4, but it line might remove since I would
>> depend on SoC type to assign array for next version.
>>
>>>> +
>>>> struct mtk_thermal;
>>>>
>>>> +struct thermal_bank_cfg {
>>>> + unsigned int num_sensors;
>>>> + unsigned int sensors[MAX_NUM_BANK];
>>>> +};
>>>> +
>>>> struct mtk_thermal_bank {
>>>> struct mtk_thermal *mt;
>>>> int id;
>>>> };
>>>>
>>>> +struct mtk_thermal_sense_point {
>>>> + int msr;
>>>> + int adcpnp;
>>>> +};
>>>> +
>>>> +struct mtk_thermal_data {
>>>> + struct thermal_bank_cfg bank_data[MAX_NUM_BANK];
>>>
>>> So for MT8173 we are allocating one bank extra and for MT2701 we are
>>> allocating 4 banks extra right? Why not do something like this:
>>>
>>> struct thermal_bank *banks_data
>>> Assign the array based on the SoC type?
>>>
>>
>> Yes, I agree with you, I would update it on next version.
>>
>>>> + struct mtk_thermal_sense_point sensing_points[MAX_NUM_BANK];
>>>> + int sensor_mux_values[MAX_NUM_BANK];
>>>> + s32 num_banks;
>>>> + s32 num_sensors;
>>>> + s32 auxadc_channel;
>>>> +};
>>>> +
>>>> struct mtk_thermal {
>>>> struct device *dev;
>>>> void __iomem *thermal_base;
>>>> @@ -133,27 +163,20 @@ struct mtk_thermal {
>>>> struct clk *clk_peri_therm;
>>>> struct clk *clk_auxadc;
>>>>
>>>> - struct mtk_thermal_bank banks[MT8173_NUM_ZONES];
>>>> -
>>>> + struct mtk_thermal_bank banks[MAX_NUM_BANK];
>>>
>>> Here again some extra memory allocation.
>>>
>>> Why not keep a pointer which points to the desired array?
>>>
>>>> + const struct mtk_thermal_data *conf;
>>>> /* lock: for getting and putting banks */
>>>> struct mutex lock;
>>>> + struct thermal_zone_device *tzd;
>>>>
>>>> /* Calibration values */
>>>> s32 adc_ge;
>>>> s32 degc_cali;
>>>> s32 o_slope;
>>>> - s32 vts[MT8173_NUM_SENSORS];
>>>> -
>>>> -};
>>>> -
>>>> -struct mtk_thermal_bank_cfg {
>>>> - unsigned int num_sensors;
>>>> - unsigned int sensors[MT8173_NUM_SENSORS_PER_ZONE];
>>>> + s32 vts[MAX_NUM_BANK];
>>>> };
>>>>
>>>> -static const int sensor_mux_values[MT8173_NUM_SENSORS] = { 0, 1, 2, 3, 16 };
>>>> -
>>>> -/*
>>>> +/**
>>>> * The MT8173 thermal controller has four banks. Each bank can read up to
>>>> * four temperature sensors simultaneously. The MT8173 has a total of 5
>>>> * temperature sensors. We use each bank to measure a certain area of the
>>>> @@ -166,42 +189,76 @@ static const int sensor_mux_values[MT8173_NUM_SENSORS] = { 0, 1, 2, 3, 16 };
>>>> * data, and this indeed needs the temperatures of the individual banks
>>>> * for making better decisions.
>>>> */
>>>> -static const struct mtk_thermal_bank_cfg bank_data[] = {
>>>> - {
>>>> - .num_sensors = 2,
>>>> - .sensors = { MT8173_TS2, MT8173_TS3 },
>>>> - }, {
>>>> - .num_sensors = 2,
>>>> - .sensors = { MT8173_TS2, MT8173_TS4 },
>>>> - }, {
>>>> - .num_sensors = 3,
>>>> - .sensors = { MT8173_TS1, MT8173_TS2, MT8173_TSABB },
>>>> - }, {
>>>> - .num_sensors = 1,
>>>> - .sensors = { MT8173_TS2 },
>>>> +static const struct mtk_thermal_data mt8173_thermal_data = {
>>>> + .auxadc_channel = MT8173_TEMP_AUXADC_CHANNEL,
>>>> + .num_banks = 4,
>>>> + .num_sensors = 5,
>>>> + .bank_data = {
>>>> + {
>>>> + .num_sensors = 2,
>>>> + .sensors = { MT8173_TS2, MT8173_TS3 },
>>>> + }, {
>>>> + .num_sensors = 2,
>>>> + .sensors = { MT8173_TS2, MT8173_TS4 },
>>>> + }, {
>>>> + .num_sensors = 3,
>>>> + .sensors = { MT8173_TS1, MT8173_TS2, MT8173_TSABB },
>>>> + }, {
>>>> + .num_sensors = 1,
>>>> + .sensors = { MT8173_TS2 },
>>>> + },
>>>> },
>>>> + .sensing_points = {
>>>> + {
>>>> + .msr = TEMP_MSR0,
>>>> + .adcpnp = TEMP_ADCPNP0,
>>>> + }, {
>>>> + .msr = TEMP_MSR1,
>>>> + .adcpnp = TEMP_ADCPNP1,
>>>> + }, {
>>>> + .msr = TEMP_MSR2,
>>>> + .adcpnp = TEMP_ADCPNP2,
>>>> + }, {
>>>> + .msr = TEMP_MSR3,
>>>> + .adcpnp = TEMP_ADCPNP3,
>>>> + },
>>>> + },
>>>> + .sensor_mux_values = { 0, 1, 2, 3, 16 },
>>>> };
>>>>
>>>> -struct mtk_thermal_sense_point {
>>>> - int msr;
>>>> - int adcpnp;
>>>> -};
>>>> -
>>>> -static const struct mtk_thermal_sense_point
>>>> - sensing_points[MT8173_NUM_SENSORS_PER_ZONE] = {
>>>> - {
>>>> - .msr = TEMP_MSR0,
>>>> - .adcpnp = TEMP_ADCPNP0,
>>>> - }, {
>>>> - .msr = TEMP_MSR1,
>>>> - .adcpnp = TEMP_ADCPNP1,
>>>> - }, {
>>>> - .msr = TEMP_MSR2,
>>>> - .adcpnp = TEMP_ADCPNP2,
>>>> - }, {
>>>> - .msr = TEMP_MSR3,
>>>> - .adcpnp = TEMP_ADCPNP3,
>>>> +/**
>>>> + * The MT2701 thermal controller has one bank, which can read up to
>>>> + * three temperature sensors simultaneously. The MT2701 has a total of 3
>>>> + * temperature sensors.
>>>> + *
>>>> + * The thermal core only gets the maximum temperature of this one bank,
>>>> + * so the bank concept wouldn't be necessary here. However, the SVS (Smart
>>>> + * Voltage Scaling) unit makes its decisions based on the same bank
>>>> + * data.
>>>> + */
>>>> +static const struct mtk_thermal_data mt2701_thermal_data = {
>>>> + .auxadc_channel = MT2701_TEMP_AUXADC_CHANNEL,
>>>> + .num_banks = 1,
>>>> + .num_sensors = 3,
>>>> + .bank_data = {
>>>> + {
>>>> + .num_sensors = 3,
>>>> + .sensors = { MT2701_TS1, MT2701_TS2, MT2701_TSABB },
>>>> + },
>>>> },
>>>> + .sensing_points = {
>>>> + {
>>>> + .msr = TEMP_MSR0,
>>>> + .adcpnp = TEMP_ADCPNP0,
>>>> + }, {
>>>> + .msr = TEMP_MSR1,
>>>> + .adcpnp = TEMP_ADCPNP1,
>>>> + }, {
>>>> + .msr = TEMP_MSR2,
>>>> + .adcpnp = TEMP_ADCPNP2,
>>>> + },
>>>> + },
>>>> + .sensor_mux_values = { 0, 1, 16},
>>>> };
>>>>
>>>> /**
>>>> @@ -270,13 +327,15 @@ static void mtk_thermal_put_bank(struct mtk_thermal_bank *bank)
>>>> static int mtk_thermal_bank_temperature(struct mtk_thermal_bank *bank)
>>>> {
>>>> struct mtk_thermal *mt = bank->mt;
>>>> + const struct mtk_thermal_data *conf = mt->conf;
>>>> int i, temp = INT_MIN, max = INT_MIN;
>>>> u32 raw;
>>>>
>>>> - for (i = 0; i < bank_data[bank->id].num_sensors; i++) {
>>>> - raw = readl(mt->thermal_base + sensing_points[i].msr);
>>>> + for (i = 0; i < conf->bank_data[bank->id].num_sensors; i++) {
>>>> + raw = readl(mt->thermal_base + conf->sensing_points[i].msr);
>>>>
>>>> - temp = raw_to_mcelsius(mt, bank_data[bank->id].sensors[i], raw);
>>>> + temp = raw_to_mcelsius(mt, conf->bank_data[bank->id].sensors[i],
>>>> + raw);
>>>>
>>>> /*
>>>> * The first read of a sensor often contains very high bogus
>>>> @@ -299,7 +358,7 @@ static int mtk_read_temp(void *data, int *temperature)
>>>> int i;
>>>> int tempmax = INT_MIN;
>>>>
>>>> - for (i = 0; i < MT8173_NUM_ZONES; i++) {
>>>> + for (i = 0; i < mt->conf->num_banks; i++) {
>>>> struct mtk_thermal_bank *bank = &mt->banks[i];
>>>>
>>>> mtk_thermal_get_bank(bank);
>>>> @@ -322,7 +381,7 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
>>>> u32 apmixed_phys_base, u32 auxadc_phys_base)
>>>> {
>>>> struct mtk_thermal_bank *bank = &mt->banks[num];
>>>> - const struct mtk_thermal_bank_cfg *cfg = &bank_data[num];
>>>> + const struct mtk_thermal_data *conf = mt->conf;
>>>> int i;
>>>>
>>>> bank->id = num;
>>>> @@ -368,7 +427,7 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
>>>> * this value will be stored to TEMP_PNPMUXADDR (TEMP_SPARE0)
>>>> * automatically by hw
>>>> */
>>>> - writel(BIT(MT8173_TEMP_AUXADC_CHANNEL), mt->thermal_base + TEMP_ADCMUX);
>>>> + writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCMUX);
>>>>
>>>> /* AHB address for auxadc mux selection */
>>>> writel(auxadc_phys_base + AUXADC_CON1_CLR_V,
>>>> @@ -379,18 +438,18 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
>>>> mt->thermal_base + TEMP_PNPMUXADDR);
>>>>
>>>> /* AHB value for auxadc enable */
>>>> - writel(BIT(MT8173_TEMP_AUXADC_CHANNEL), mt->thermal_base + TEMP_ADCEN);
>>>> + writel(BIT(conf->auxadc_channel), mt->thermal_base + TEMP_ADCEN);
>>>>
>>>> /* AHB address for auxadc enable (channel 0 immediate mode selected) */
>>>> writel(auxadc_phys_base + AUXADC_CON1_SET_V,
>>>> mt->thermal_base + TEMP_ADCENADDR);
>>>>
>>>> /* AHB address for auxadc valid bit */
>>>> - writel(auxadc_phys_base + AUXADC_DATA(MT8173_TEMP_AUXADC_CHANNEL),
>>>> + writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
>>>> mt->thermal_base + TEMP_ADCVALIDADDR);
>>>>
>>>> /* AHB address for auxadc voltage output */
>>>> - writel(auxadc_phys_base + AUXADC_DATA(MT8173_TEMP_AUXADC_CHANNEL),
>>>> + writel(auxadc_phys_base + AUXADC_DATA(conf->auxadc_channel),
>>>> mt->thermal_base + TEMP_ADCVOLTADDR);
>>>>
>>>> /* read valid & voltage are at the same register */
>>>> @@ -407,11 +466,12 @@ static void mtk_thermal_init_bank(struct mtk_thermal *mt, int num,
>>>> writel(TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
>>>> mt->thermal_base + TEMP_ADCWRITECTRL);
>>>>
>>>> - for (i = 0; i < cfg->num_sensors; i++)
>>>> - writel(sensor_mux_values[cfg->sensors[i]],
>>>> - mt->thermal_base + sensing_points[i].adcpnp);
>>>> + for (i = 0; i < conf->bank_data[num].num_sensors; i++)
>>>> + writel(conf->sensor_mux_values[conf->bank_data[num].sensors[i]],
>>>> + mt->thermal_base + conf->sensing_points[i].adcpnp);
>>>>
>>>> - writel((1 << cfg->num_sensors) - 1, mt->thermal_base + TEMP_MONCTL0);
>>>> + writel((1 << conf->bank_data[num].num_sensors) - 1,
>>>> + mt->thermal_base + TEMP_MONCTL0);
>>>>
>>>> writel(TEMP_ADCWRITECTRL_ADC_PNP_WRITE |
>>>> TEMP_ADCWRITECTRL_ADC_MUX_WRITE,
>>>> @@ -442,7 +502,7 @@ static int mtk_thermal_get_calibration_data(struct device *dev,
>>>>
>>>> /* Start with default values */
>>>> mt->adc_ge = 512;
>>>> - for (i = 0; i < MT8173_NUM_SENSORS; i++)
>>>> + for (i = 0; i < mt->conf->num_sensors; i++)
>>>> mt->vts[i] = 260;
>>>> mt->degc_cali = 40;
>>>> mt->o_slope = 0;
>>>> @@ -467,15 +527,15 @@ static int mtk_thermal_get_calibration_data(struct device *dev,
>>>> goto out;
>>>> }
>>>>
>>>> - if (buf[0] & MT8173_CALIB_BUF0_VALID) {
>>>> - mt->adc_ge = MT8173_CALIB_BUF1_ADC_GE(buf[1]);
>>>> - mt->vts[MT8173_TS1] = MT8173_CALIB_BUF0_VTS_TS1(buf[0]);
>>>> - mt->vts[MT8173_TS2] = MT8173_CALIB_BUF0_VTS_TS2(buf[0]);
>>>> - mt->vts[MT8173_TS3] = MT8173_CALIB_BUF1_VTS_TS3(buf[1]);
>>>> - mt->vts[MT8173_TS4] = MT8173_CALIB_BUF2_VTS_TS4(buf[2]);
>>>> - mt->vts[MT8173_TSABB] = MT8173_CALIB_BUF2_VTS_TSABB(buf[2]);
>>>> - mt->degc_cali = MT8173_CALIB_BUF0_DEGC_CALI(buf[0]);
>>>> - mt->o_slope = MT8173_CALIB_BUF0_O_SLOPE(buf[0]);
>>>> + if (buf[0] & CALIB_BUF0_VALID) {
>>>> + mt->adc_ge = CALIB_BUF1_ADC_GE(buf[1]);
>>>> + mt->vts[NVMEM_TS1] = CALIB_BUF0_VTS_TS1(buf[0]);
>>>> + mt->vts[NVMEM_TS2] = CALIB_BUF0_VTS_TS2(buf[0]);
>>>> + mt->vts[NVMEM_TS3] = CALIB_BUF1_VTS_TS3(buf[1]);
>>>> + mt->vts[NVMEM_TS4] = CALIB_BUF2_VTS_TS4(buf[1]);
>>>> + mt->vts[NVMEM_TS5] = CALIB_BUF2_VTS_TS5(buf[2]);
>>>> + mt->degc_cali = CALIB_BUF0_DEGC_CALI(buf[0]);
>>>> + mt->o_slope = CALIB_BUF0_O_SLOPE(buf[0]);
>>>
>>> I guess even the above code changes can be avoided if we just retain
>>> macros starting with MT8173?
>>>
>>> Best Regards,
>>> Keerthy
>>>
>>
>> Yes, I think so, only different on the array size for vts since sensors
>> number different between MT8173 & MT2701, I might separate it by SoC
>> type on next version.
>>
>> BR,
>> Dawei
>>
>>>> } else {
>>>> dev_info(dev, "Device not calibrated, using default calibration values\n");
>>>> }
>>>> @@ -486,18 +546,36 @@ out:
>>>> return ret;
>>>> }
>>>>
>>>> +static const struct of_device_id mtk_thermal_of_match[] = {
>>>> + {
>>>> + .compatible = "mediatek,mt8173-thermal",
>>>> + .data = (void *)&mt8173_thermal_data,
>>>> + },
>>>> + {
>>>> + .compatible = "mediatek,mt2701-thermal",
>>>> + .data = (void *)&mt2701_thermal_data,
>>>> + }, {
>>>> + },
>>>> +};
>>>> +MODULE_DEVICE_TABLE(of, mtk_thermal_of_match);
>>>> +
>>>> static int mtk_thermal_probe(struct platform_device *pdev)
>>>> {
>>>> int ret, i;
>>>> struct device_node *auxadc, *apmixedsys, *np = pdev->dev.of_node;
>>>> struct mtk_thermal *mt;
>>>> struct resource *res;
>>>> + const struct of_device_id *of_id;
>>>> u64 auxadc_phys_base, apmixed_phys_base;
>>>>
>>>> mt = devm_kzalloc(&pdev->dev, sizeof(*mt), GFP_KERNEL);
>>>> if (!mt)
>>>> return -ENOMEM;
>>>>
>>>> + of_id = of_match_device(mtk_thermal_of_match, &pdev->dev);
>>>> + if (of_id)
>>>> + mt->conf = (const struct mtk_thermal_data *)of_id->data;
>>>> +
>>>> mt->clk_peri_therm = devm_clk_get(&pdev->dev, "therm");
>>>> if (IS_ERR(mt->clk_peri_therm))
>>>> return PTR_ERR(mt->clk_peri_therm);
>>>> @@ -565,7 +643,7 @@ static int mtk_thermal_probe(struct platform_device *pdev)
>>>> goto err_disable_clk_auxadc;
>>>> }
>>>>
>>>> - for (i = 0; i < MT8173_NUM_ZONES; i++)
>>>> + for (i = 0; i < mt->conf->num_banks; i++)
>>>> mtk_thermal_init_bank(mt, i, apmixed_phys_base,
>>>> auxadc_phys_base);
>>>>
>>>> @@ -592,13 +670,6 @@ static int mtk_thermal_remove(struct platform_device *pdev)
>>>> return 0;
>>>> }
>>>>
>>>> -static const struct of_device_id mtk_thermal_of_match[] = {
>>>> - {
>>>> - .compatible = "mediatek,mt8173-thermal",
>>>> - }, {
>>>> - },
>>>> -};
>>>> -
>>>> static struct platform_driver mtk_thermal_driver = {
>>>> .probe = mtk_thermal_probe,
>>>> .remove = mtk_thermal_remove,
>>>> @@ -610,6 +681,7 @@ static struct platform_driver mtk_thermal_driver = {
>>>>
>>>> module_platform_driver(mtk_thermal_driver);
>>>>
>>>> +MODULE_AUTHOR("Dawei Chien <dawei.chien-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>");
>>>> MODULE_AUTHOR("Sascha Hauer <s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org>");
>>>> MODULE_AUTHOR("Hanyi Wu <hanyi.wu-NuS5LvNUpcJWk0Htik3J/w@public.gmane.org>");
>>>> MODULE_DESCRIPTION("Mediatek thermal driver");
>>>>
>>
>
>