This patch brings support for providing configuration via device tree. Previously, data hardcoded in the exynos_tmu_data.c file was used, which is not scalable and error prone.
Signed-off-by: Lukasz Majewski <[email protected]> --- drivers/thermal/samsung/Makefile | 2 - drivers/thermal/samsung/exynos_tmu.c | 266 ++++++++++++++++++++--------------- drivers/thermal/samsung/exynos_tmu.h | 51 ------- 3 files changed, 154 insertions(+), 165 deletions(-) diff --git a/drivers/thermal/samsung/Makefile b/drivers/thermal/samsung/Makefile index c09d830..1e47d0d 100644 --- a/drivers/thermal/samsung/Makefile +++ b/drivers/thermal/samsung/Makefile @@ -3,5 +3,3 @@ # obj-$(CONFIG_EXYNOS_THERMAL) += exynos_thermal.o exynos_thermal-y := exynos_tmu.o -exynos_thermal-y += exynos_tmu_data.o -exynos_thermal-$(CONFIG_EXYNOS_THERMAL_CORE) += exynos_thermal_common.o diff --git a/drivers/thermal/samsung/exynos_tmu.c b/drivers/thermal/samsung/exynos_tmu.c index 1d6b1cb..e26042a 100644 --- a/drivers/thermal/samsung/exynos_tmu.c +++ b/drivers/thermal/samsung/exynos_tmu.c @@ -1,6 +1,10 @@ /* * exynos_tmu.c - Samsung EXYNOS TMU (Thermal Management Unit) * + * Copyright (C) 2014 Samsung Electronics + * Bartlomiej Zolnierkiewicz <[email protected]> + * Lukasz Majewski <[email protected]> + * * Copyright (C) 2011 Samsung Electronics * Donggeun Kim <[email protected]> * Amit Daniel Kachhap <[email protected]> @@ -31,8 +35,8 @@ #include <linux/platform_device.h> #include <linux/regulator/consumer.h> -#include "exynos_thermal_common.h" #include "exynos_tmu.h" +#include "../thermal_core.h" /* Exynos generic registers */ #define EXYNOS_TMU_REG_TRIMINFO 0x0 @@ -130,6 +134,7 @@ #define EXYNOS5440_TMU_TH_RISE4_SHIFT 24 #define EXYNOS5440_EFUSE_SWAP_OFFSET 8 +#define MCELSIUS 1000 /** * struct exynos_tmu_data : A structure to hold the private data of the TMU driver @@ -165,7 +170,8 @@ struct exynos_tmu_data { struct clk *clk, *clk_sec; u8 temp_error1, temp_error2; struct regulator *regulator; - struct thermal_sensor_conf *reg_conf; + struct thermal_zone_device *tzd; + int (*tmu_initialize)(struct platform_device *pdev); void (*tmu_control)(struct platform_device *pdev, bool on); int (*tmu_read)(struct exynos_tmu_data *data); @@ -174,6 +180,33 @@ struct exynos_tmu_data { void (*tmu_clear_irqs)(struct exynos_tmu_data *data); }; +static void exynos_report_trigger(struct exynos_tmu_data *p) +{ + char data[10], *envp[] = { data, NULL }; + struct thermal_zone_device *tz = p->tzd; + unsigned long temp; + unsigned int i; + + if (!p) { + pr_err("Wrong temperature configuration data\n"); + return; + } + + thermal_zone_device_update(tz); + + mutex_lock(&tz->lock); + /* Find the level for which trip happened */ + for (i = 0; i < of_thermal_get_ntrips(tz); i++) { + tz->ops->get_trip_temp(tz, i, &temp); + if (tz->last_temperature < temp) + break; + } + + snprintf(data, sizeof(data), "%u", i); + kobject_uevent_env(&tz->device.kobj, KOBJ_CHANGE, envp); + mutex_unlock(&tz->lock); +} + /* * TMU treats temperature as a mapped temperature code. * The temperature is converted differently depending on the calibration type. @@ -249,16 +282,22 @@ static void sanitize_temp_error(struct exynos_tmu_data *data, u32 trim_info) static u32 get_th_reg(struct exynos_tmu_data *data, u32 threshold, bool falling) { - struct exynos_tmu_platform_data *pdata = data->pdata; - int i; + struct thermal_zone_device *tz = data->tzd; + unsigned long temp, temp_hist; + int i, ret; - for (i = 0; i < pdata->non_hw_trigger_levels; i++) { - u8 temp = pdata->trigger_levels[i]; + for (i = 0; i < of_thermal_get_non_crit_ntrips(tz); i++) { + ret = tz->ops->get_trip_temp(tz, i, &temp); + if (ret) + return 0; - if (falling) - temp -= pdata->threshold_falling; - else + temp /= MCELSIUS; + if (falling) { + tz->ops->get_trip_hyst(tz, i, &temp_hist); + temp -= (temp_hist / MCELSIUS); + } else { threshold &= ~(0xff << 8 * i); + } threshold |= temp_to_code(data, temp) << 8 * i; } @@ -320,9 +359,10 @@ static void exynos_tmu_control(struct platform_device *pdev, bool on) static int exynos4210_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct exynos_tmu_platform_data *pdata = data->pdata; - unsigned int status; + struct thermal_zone_device *tz = data->tzd; int ret = 0, threshold_code, i; + unsigned long reference, temp; + unsigned int status; status = readb(data->base + EXYNOS_TMU_REG_STATUS); if (!status) { @@ -333,12 +373,21 @@ static int exynos4210_tmu_initialize(struct platform_device *pdev) sanitize_temp_error(data, readl(data->base + EXYNOS_TMU_REG_TRIMINFO)); /* Write temperature code for threshold */ - threshold_code = temp_to_code(data, pdata->threshold); + tz->ops->get_trip_temp(tz, 0, &reference); + reference /= MCELSIUS; + threshold_code = temp_to_code(data, reference); + if (threshold_code < 0) { + ret = threshold_code; + goto out; + } writeb(threshold_code, data->base + EXYNOS4210_TMU_REG_THRESHOLD_TEMP); - for (i = 0; i < pdata->non_hw_trigger_levels; i++) - writeb(pdata->trigger_levels[i], data->base + + for (i = 0; i < of_thermal_get_non_crit_ntrips(tz); i++) { + tz->ops->get_trip_temp(tz, i, &temp); + temp /= MCELSIUS; + writeb(temp - reference, data->base + EXYNOS4210_TMU_REG_TRIG_LEVEL0 + i * 4); + } writel(EXYNOS4210_TMU_TRIG_LEVEL_MASK, data->base + EXYNOS_TMU_REG_INTCLEAR); @@ -349,9 +398,9 @@ out: static int exynos4412_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct exynos_tmu_platform_data *pdata = data->pdata; unsigned int status, trim_info, con, ctrl, rising_threshold; int ret = 0, threshold_code, i; + unsigned long crit_temp = 0; status = readb(data->base + EXYNOS_TMU_REG_STATUS); if (!status) { @@ -401,9 +450,9 @@ static int exynos4412_tmu_initialize(struct platform_device *pdev) data->base + EXYNOS_TMU_REG_INTCLEAR); /* if last threshold limit is also present */ - i = pdata->max_trigger_level - 1; - if (pdata->trigger_levels[i] && pdata->trigger_type[i] == HW_TRIP) { - threshold_code = temp_to_code(data, pdata->trigger_levels[i]); + i = of_thermal_get_non_crit_ntrips(data->tzd); + if (!data->tzd->ops->get_crit_temp(data->tzd, &crit_temp)) { + threshold_code = temp_to_code(data, crit_temp / MCELSIUS); /* 1-4 level to be assigned in th0 reg */ rising_threshold &= ~(0xff << 8 * i); rising_threshold |= threshold_code << 8 * i; @@ -419,9 +468,9 @@ out: static int exynos5440_tmu_initialize(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct exynos_tmu_platform_data *pdata = data->pdata; unsigned int trim_info = 0, con, rising_threshold; - int ret = 0, threshold_code, i; + int ret = 0, threshold_code; + unsigned long crit_temp = 0; /* * For exynos5440 soc triminfo value is swapped between TMU0 and @@ -452,9 +501,8 @@ static int exynos5440_tmu_initialize(struct platform_device *pdev) data->base + EXYNOS5440_TMU_S0_7_IRQ); /* if last threshold limit is also present */ - i = pdata->max_trigger_level - 1; - if (pdata->trigger_levels[i] && pdata->trigger_type[i] == HW_TRIP) { - threshold_code = temp_to_code(data, pdata->trigger_levels[i]); + if (!data->tzd->ops->get_crit_temp(data->tzd, &crit_temp)) { + threshold_code = temp_to_code(data, crit_temp / MCELSIUS); /* 5th level to be assigned in th2 reg */ rising_threshold = threshold_code << EXYNOS5440_TMU_TH_RISE4_SHIFT; @@ -472,7 +520,7 @@ static int exynos5440_tmu_initialize(struct platform_device *pdev) static void exynos4210_tmu_control(struct platform_device *pdev, bool on) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct exynos_tmu_platform_data *pdata = data->pdata; + struct thermal_zone_device *tz = data->tzd; unsigned int con, interrupt_en; con = get_con_reg(data, readl(data->base + EXYNOS_TMU_REG_CONTROL)); @@ -480,10 +528,11 @@ static void exynos4210_tmu_control(struct platform_device *pdev, bool on) if (on) { con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); interrupt_en = - pdata->trigger_enable[3] << EXYNOS_TMU_INTEN_RISE3_SHIFT | - pdata->trigger_enable[2] << EXYNOS_TMU_INTEN_RISE2_SHIFT | - pdata->trigger_enable[1] << EXYNOS_TMU_INTEN_RISE1_SHIFT | - pdata->trigger_enable[0] << EXYNOS_TMU_INTEN_RISE0_SHIFT; + of_thermal_is_trip_en(tz, 3) << EXYNOS_TMU_INTEN_RISE3_SHIFT | + of_thermal_is_trip_en(tz, 2) << EXYNOS_TMU_INTEN_RISE2_SHIFT | + of_thermal_is_trip_en(tz, 1) << EXYNOS_TMU_INTEN_RISE1_SHIFT | + of_thermal_is_trip_en(tz, 0) << EXYNOS_TMU_INTEN_RISE0_SHIFT; + if (data->soc != SOC_ARCH_EXYNOS4210) interrupt_en |= interrupt_en << EXYNOS_TMU_INTEN_FALL0_SHIFT; @@ -498,7 +547,7 @@ static void exynos4210_tmu_control(struct platform_device *pdev, bool on) static void exynos5440_tmu_control(struct platform_device *pdev, bool on) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); - struct exynos_tmu_platform_data *pdata = data->pdata; + struct thermal_zone_device *tz = data->tzd; unsigned int con, interrupt_en; con = get_con_reg(data, readl(data->base + EXYNOS5440_TMU_S0_7_CTRL)); @@ -506,10 +555,10 @@ static void exynos5440_tmu_control(struct platform_device *pdev, bool on) if (on) { con |= (1 << EXYNOS_TMU_CORE_EN_SHIFT); interrupt_en = - pdata->trigger_enable[3] << EXYNOS5440_TMU_INTEN_RISE3_SHIFT | - pdata->trigger_enable[2] << EXYNOS5440_TMU_INTEN_RISE2_SHIFT | - pdata->trigger_enable[1] << EXYNOS5440_TMU_INTEN_RISE1_SHIFT | - pdata->trigger_enable[0] << EXYNOS5440_TMU_INTEN_RISE0_SHIFT; + of_thermal_is_trip_en(tz, 3) << EXYNOS5440_TMU_INTEN_RISE3_SHIFT | + of_thermal_is_trip_en(tz, 2) << EXYNOS5440_TMU_INTEN_RISE2_SHIFT | + of_thermal_is_trip_en(tz, 1) << EXYNOS5440_TMU_INTEN_RISE1_SHIFT | + of_thermal_is_trip_en(tz, 0) << EXYNOS5440_TMU_INTEN_RISE0_SHIFT; interrupt_en |= interrupt_en << EXYNOS5440_TMU_INTEN_FALL0_SHIFT; } else { con &= ~(1 << EXYNOS_TMU_CORE_EN_SHIFT); @@ -519,19 +568,21 @@ static void exynos5440_tmu_control(struct platform_device *pdev, bool on) writel(con, data->base + EXYNOS5440_TMU_S0_7_CTRL); } -static int exynos_tmu_read(struct exynos_tmu_data *data) +int exynos_get_temp(void *p, long *temp) { - int ret; + struct exynos_tmu_data *data = p; + if (!data) + return -EINVAL; mutex_lock(&data->lock); clk_enable(data->clk); - ret = data->tmu_read(data); - if (ret >= 0) - ret = code_to_temp(data, ret); + + *temp = code_to_temp(data, data->tmu_read(data)) * MCELSIUS; + clk_disable(data->clk); mutex_unlock(&data->lock); - return ret; + return 0; } #ifdef CONFIG_THERMAL_EMULATION @@ -643,7 +694,7 @@ static void exynos_tmu_work(struct work_struct *work) if (!IS_ERR(data->clk_sec)) clk_disable(data->clk_sec); - exynos_report_trigger(data->reg_conf); + exynos_report_trigger(data); mutex_lock(&data->lock); clk_enable(data->clk); /* TODO: take action based on particular interrupt */ @@ -694,55 +745,63 @@ static irqreturn_t exynos_tmu_irq(int irq, void *id) static const struct of_device_id exynos_tmu_match[] = { { .compatible = "samsung,exynos3250-tmu", - .data = &exynos3250_default_tmu_data, }, { .compatible = "samsung,exynos4210-tmu", - .data = &exynos4210_default_tmu_data, }, { .compatible = "samsung,exynos4412-tmu", - .data = &exynos4412_default_tmu_data, }, { .compatible = "samsung,exynos5250-tmu", - .data = &exynos5250_default_tmu_data, }, { .compatible = "samsung,exynos5260-tmu", - .data = &exynos5260_default_tmu_data, }, { .compatible = "samsung,exynos5420-tmu", - .data = &exynos5420_default_tmu_data, }, { .compatible = "samsung,exynos5420-tmu-ext-triminfo", - .data = &exynos5420_default_tmu_data, }, { .compatible = "samsung,exynos5440-tmu", - .data = &exynos5440_default_tmu_data, }, {}, }; MODULE_DEVICE_TABLE(of, exynos_tmu_match); -static inline struct exynos_tmu_platform_data *exynos_get_driver_data( - struct platform_device *pdev, int id) +static int exynos_of_sensor_conf(struct device_node *np, + struct exynos_tmu_platform_data *pdata) { - struct exynos_tmu_init_data *data_table; - struct exynos_tmu_platform_data *tmu_data; - const struct of_device_id *match; - - match = of_match_node(exynos_tmu_match, pdev->dev.of_node); - if (!match) - return NULL; - data_table = (struct exynos_tmu_init_data *) match->data; - if (!data_table || id >= data_table->tmu_count) - return NULL; - tmu_data = data_table->tmu_data; - return (struct exynos_tmu_platform_data *) (tmu_data + id); + u32 value; + int ret; + + of_node_get(np); + + ret = of_property_read_u32(np, "gain", &value); + pdata->gain = (u8) value; + of_property_read_u32(np, "reference_voltage", &value); + pdata->reference_voltage = (u8) value; + of_property_read_u32(np, "noise_cancel_mode", &value); + pdata->noise_cancel_mode = (u8) value;; + + of_property_read_u32(np, "efuse_value", &pdata->efuse_value); + of_property_read_u32(np, "min_efuse_value", &pdata->min_efuse_value); + of_property_read_u32(np, "max_efuse_value", &pdata->max_efuse_value); + + of_property_read_u32(np, "first_point_trim", &value); + pdata->first_point_trim = (u8) value; + of_property_read_u32(np, "second_point_trim", &value); + pdata->second_point_trim = (u8) value; + of_property_read_u32(np, "default_temp_offset", &value); + pdata->default_temp_offset = (u8) value; + + of_property_read_u32(np, "cal_type", &pdata->cal_type); + of_property_read_u32(np, "type", &pdata->type); + + of_node_put(np); + return 0; } static int exynos_map_dt_data(struct platform_device *pdev) @@ -792,12 +851,13 @@ static int exynos_map_dt_data(struct platform_device *pdev) return -EADDRNOTAVAIL; } - pdata = exynos_get_driver_data(pdev, data->id); - if (!pdata) { - dev_err(&pdev->dev, "No platform init data supplied.\n"); - return -ENODEV; - } + pdata = devm_kzalloc(&pdev->dev, + sizeof(struct exynos_tmu_platform_data), + GFP_KERNEL); + if (!pdata) + return -ENOMEM; + exynos_of_sensor_conf(pdev->dev.of_node, pdata); data->pdata = pdata; data->soc = pdata->type; @@ -857,10 +917,9 @@ static int exynos_map_dt_data(struct platform_device *pdev) static int exynos_tmu_probe(struct platform_device *pdev) { - struct exynos_tmu_data *data; struct exynos_tmu_platform_data *pdata; - struct thermal_sensor_conf *sensor_conf; - int ret, i; + struct exynos_tmu_data *data; + int ret; data = devm_kzalloc(&pdev->dev, sizeof(struct exynos_tmu_data), GFP_KERNEL); @@ -870,9 +929,16 @@ static int exynos_tmu_probe(struct platform_device *pdev) platform_set_drvdata(pdev, data); mutex_init(&data->lock); + data->tzd = thermal_zone_of_sensor_register(&pdev->dev, 0, data, + exynos_get_temp, NULL, + exynos_tmu_set_emulation); + if (IS_ERR(data->tzd)) { + pr_err("thermal: tz: %p ERROR\n", data->tzd); + return PTR_ERR(data->tzd); + } ret = exynos_map_dt_data(pdev); if (ret) - return ret; + goto err_sensor; pdata = data->pdata; @@ -881,20 +947,22 @@ static int exynos_tmu_probe(struct platform_device *pdev) data->clk = devm_clk_get(&pdev->dev, "tmu_apbif"); if (IS_ERR(data->clk)) { dev_err(&pdev->dev, "Failed to get clock\n"); - return PTR_ERR(data->clk); + ret = PTR_ERR(data->clk); + goto err_sensor; } data->clk_sec = devm_clk_get(&pdev->dev, "tmu_triminfo_apbif"); if (IS_ERR(data->clk_sec)) { if (data->soc == SOC_ARCH_EXYNOS5420_TRIMINFO) { dev_err(&pdev->dev, "Failed to get triminfo clock\n"); - return PTR_ERR(data->clk_sec); + ret = PTR_ERR(data->clk_sec); + goto err_sensor; } } else { ret = clk_prepare(data->clk_sec); if (ret) { dev_err(&pdev->dev, "Failed to get clock\n"); - return ret; + goto err_sensor; } } @@ -910,42 +978,6 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_clk; } - exynos_tmu_control(pdev, true); - - /* Allocate a structure to register with the exynos core thermal */ - sensor_conf = devm_kzalloc(&pdev->dev, - sizeof(struct thermal_sensor_conf), GFP_KERNEL); - if (!sensor_conf) { - ret = -ENOMEM; - goto err_clk; - } - sprintf(sensor_conf->name, "therm_zone%d", data->id); - sensor_conf->read_temperature = (int (*)(void *))exynos_tmu_read; - sensor_conf->write_emul_temp = - (int (*)(void *, unsigned long))exynos_tmu_set_emulation; - sensor_conf->driver_data = data; - sensor_conf->trip_data.trip_count = pdata->trigger_enable[0] + - pdata->trigger_enable[1] + pdata->trigger_enable[2]+ - pdata->trigger_enable[3]; - - for (i = 0; i < sensor_conf->trip_data.trip_count; i++) { - sensor_conf->trip_data.trip_val[i] = - pdata->threshold + pdata->trigger_levels[i]; - sensor_conf->trip_data.trip_type[i] = - pdata->trigger_type[i]; - } - - sensor_conf->trip_data.trigger_falling = pdata->threshold_falling; - - sensor_conf->dev = &pdev->dev; - /* Register the sensor with thermal management interface */ - ret = exynos_register_thermal(sensor_conf); - if (ret) { - dev_err(&pdev->dev, "Failed to register thermal interface\n"); - goto err_clk; - } - data->reg_conf = sensor_conf; - ret = devm_request_irq(&pdev->dev, data->irq, exynos_tmu_irq, IRQF_TRIGGER_RISING | IRQF_SHARED, dev_name(&pdev->dev), data); if (ret) { @@ -953,21 +985,31 @@ static int exynos_tmu_probe(struct platform_device *pdev) goto err_clk; } + ret = exynos_tmu_initialize(pdev); + if (ret) { + dev_err(&pdev->dev, "Failed to initialize TMU\n"); + goto err_clk; + } + exynos_tmu_control(pdev, true); return 0; + err_clk: clk_unprepare(data->clk); err_clk_sec: if (!IS_ERR(data->clk_sec)) clk_unprepare(data->clk_sec); +err_sensor: + thermal_zone_of_sensor_unregister(&pdev->dev, data->tzd); + return ret; } static int exynos_tmu_remove(struct platform_device *pdev) { struct exynos_tmu_data *data = platform_get_drvdata(pdev); + struct thermal_zone_device *tzd = data->tzd; - exynos_unregister_thermal(data->reg_conf); - + thermal_zone_of_sensor_unregister(&pdev->dev, tzd); exynos_tmu_control(pdev, false); clk_unprepare(data->clk); diff --git a/drivers/thermal/samsung/exynos_tmu.h b/drivers/thermal/samsung/exynos_tmu.h index 1e87f0f..6f176ef 100644 --- a/drivers/thermal/samsung/exynos_tmu.h +++ b/drivers/thermal/samsung/exynos_tmu.h @@ -24,40 +24,10 @@ #define _EXYNOS_TMU_H #include <linux/cpu_cooling.h> -#include "exynos_thermal_common.h" - #include <dt-bindings/thermal/thermal_exynos.h> /** * struct exynos_tmu_platform_data - * @threshold: basic temperature for generating interrupt - * 25 <= threshold <= 125 [unit: degree Celsius] - * @threshold_falling: differntial value for setting threshold - * of temperature falling interrupt. - * @trigger_levels: array for each interrupt levels - * [unit: degree Celsius] - * 0: temperature for trigger_level0 interrupt - * condition for trigger_level0 interrupt: - * current temperature > threshold + trigger_levels[0] - * 1: temperature for trigger_level1 interrupt - * condition for trigger_level1 interrupt: - * current temperature > threshold + trigger_levels[1] - * 2: temperature for trigger_level2 interrupt - * condition for trigger_level2 interrupt: - * current temperature > threshold + trigger_levels[2] - * 3: temperature for trigger_level3 interrupt - * condition for trigger_level3 interrupt: - * current temperature > threshold + trigger_levels[3] - * @trigger_type: defines the type of trigger. Possible values are, - * THROTTLE_ACTIVE trigger type - * THROTTLE_PASSIVE trigger type - * SW_TRIP trigger type - * HW_TRIP - * @trigger_enable[]: array to denote which trigger levels are enabled. - * 1 = enable trigger_level[] interrupt, - * 0 = disable trigger_level[] interrupt - * @max_trigger_level: max trigger level supported by the TMU - * @non_hw_trigger_levels: number of defined non-hardware trigger levels * @gain: gain of amplifier in the positive-TC generator block * 0 < gain <= 15 * @reference_voltage: reference voltage of amplifier @@ -69,21 +39,12 @@ * @efuse_value: platform defined fuse value * @min_efuse_value: minimum valid trimming data * @max_efuse_value: maximum valid trimming data - * @first_point_trim: temp value of the first point trimming - * @second_point_trim: temp value of the second point trimming * @default_temp_offset: default temperature offset in case of no trimming * @cal_type: calibration type for temperature * * This structure is required for configuration of exynos_tmu driver. */ struct exynos_tmu_platform_data { - u8 threshold; - u8 threshold_falling; - u8 trigger_levels[MAX_TRIP_COUNT]; - enum trigger_type trigger_type[MAX_TRIP_COUNT]; - bool trigger_enable[MAX_TRIP_COUNT]; - u8 max_trigger_level; - u8 non_hw_trigger_levels; u8 gain; u8 reference_voltage; u8 noise_cancel_mode; @@ -99,18 +60,6 @@ struct exynos_tmu_platform_data { u32 type; }; -/** - * struct exynos_tmu_init_data - * @tmu_count: number of TMU instances. - * @tmu_data: platform data of all TMU instances. - * This structure is required to store data for multi-instance exynos tmu - * driver. - */ -struct exynos_tmu_init_data { - int tmu_count; - struct exynos_tmu_platform_data tmu_data[]; -}; - extern struct exynos_tmu_init_data const exynos3250_default_tmu_data; extern struct exynos_tmu_init_data const exynos4210_default_tmu_data; extern struct exynos_tmu_init_data const exynos4412_default_tmu_data; -- 2.0.0.rc2 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
