Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame] | 1 | /* |
| 2 | * db8500_thermal.c - DB8500 Thermal Management Implementation |
| 3 | * |
| 4 | * Copyright (C) 2012 ST-Ericsson |
| 5 | * Copyright (C) 2012 Linaro Ltd. |
| 6 | * |
| 7 | * Author: Hongbo Zhang <hongbo.zhang@linaro.com> |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or |
| 12 | * (at your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, |
| 15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 17 | * GNU General Public License for more details. |
| 18 | */ |
| 19 | |
| 20 | #include <linux/cpu_cooling.h> |
| 21 | #include <linux/interrupt.h> |
| 22 | #include <linux/mfd/dbx500-prcmu.h> |
| 23 | #include <linux/module.h> |
| 24 | #include <linux/of.h> |
| 25 | #include <linux/platform_data/db8500_thermal.h> |
| 26 | #include <linux/platform_device.h> |
| 27 | #include <linux/slab.h> |
| 28 | #include <linux/thermal.h> |
| 29 | |
| 30 | #define PRCMU_DEFAULT_MEASURE_TIME 0xFFF |
| 31 | #define PRCMU_DEFAULT_LOW_TEMP 0 |
| 32 | |
| 33 | struct db8500_thermal_zone { |
| 34 | struct thermal_zone_device *therm_dev; |
| 35 | struct mutex th_lock; |
| 36 | struct work_struct therm_work; |
| 37 | struct db8500_thsens_platform_data *trip_tab; |
| 38 | enum thermal_device_mode mode; |
| 39 | enum thermal_trend trend; |
| 40 | unsigned long cur_temp_pseudo; |
| 41 | unsigned int cur_index; |
| 42 | }; |
| 43 | |
| 44 | /* Local function to check if thermal zone matches cooling devices */ |
| 45 | static int db8500_thermal_match_cdev(struct thermal_cooling_device *cdev, |
| 46 | struct db8500_trip_point *trip_point) |
| 47 | { |
| 48 | int i; |
| 49 | |
| 50 | if (!strlen(cdev->type)) |
| 51 | return -EINVAL; |
| 52 | |
| 53 | for (i = 0; i < COOLING_DEV_MAX; i++) { |
| 54 | if (!strcmp(trip_point->cdev_name[i], cdev->type)) |
| 55 | return 0; |
| 56 | } |
| 57 | |
| 58 | return -ENODEV; |
| 59 | } |
| 60 | |
| 61 | /* Callback to bind cooling device to thermal zone */ |
| 62 | static int db8500_cdev_bind(struct thermal_zone_device *thermal, |
| 63 | struct thermal_cooling_device *cdev) |
| 64 | { |
| 65 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 66 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 67 | unsigned long max_state, upper, lower; |
| 68 | int i, ret = -EINVAL; |
| 69 | |
| 70 | cdev->ops->get_max_state(cdev, &max_state); |
| 71 | |
| 72 | for (i = 0; i < ptrips->num_trips; i++) { |
| 73 | if (db8500_thermal_match_cdev(cdev, &ptrips->trip_points[i])) |
| 74 | continue; |
| 75 | |
| 76 | upper = lower = i > max_state ? max_state : i; |
| 77 | |
| 78 | ret = thermal_zone_bind_cooling_device(thermal, i, cdev, |
| 79 | upper, lower, THERMAL_WEIGHT_DEFAULT); |
| 80 | |
| 81 | dev_info(&cdev->device, "%s bind to %d: %d-%s\n", cdev->type, |
| 82 | i, ret, ret ? "fail" : "succeed"); |
| 83 | } |
| 84 | |
| 85 | return ret; |
| 86 | } |
| 87 | |
| 88 | /* Callback to unbind cooling device from thermal zone */ |
| 89 | static int db8500_cdev_unbind(struct thermal_zone_device *thermal, |
| 90 | struct thermal_cooling_device *cdev) |
| 91 | { |
| 92 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 93 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 94 | int i, ret = -EINVAL; |
| 95 | |
| 96 | for (i = 0; i < ptrips->num_trips; i++) { |
| 97 | if (db8500_thermal_match_cdev(cdev, &ptrips->trip_points[i])) |
| 98 | continue; |
| 99 | |
| 100 | ret = thermal_zone_unbind_cooling_device(thermal, i, cdev); |
| 101 | |
| 102 | dev_info(&cdev->device, "%s unbind from %d: %s\n", cdev->type, |
| 103 | i, ret ? "fail" : "succeed"); |
| 104 | } |
| 105 | |
| 106 | return ret; |
| 107 | } |
| 108 | |
| 109 | /* Callback to get current temperature */ |
| 110 | static int db8500_sys_get_temp(struct thermal_zone_device *thermal, int *temp) |
| 111 | { |
| 112 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 113 | |
| 114 | /* |
| 115 | * TODO: There is no PRCMU interface to get temperature data currently, |
| 116 | * so a pseudo temperature is returned , it works for thermal framework |
| 117 | * and this will be fixed when the PRCMU interface is available. |
| 118 | */ |
| 119 | *temp = pzone->cur_temp_pseudo; |
| 120 | |
| 121 | return 0; |
| 122 | } |
| 123 | |
| 124 | /* Callback to get temperature changing trend */ |
| 125 | static int db8500_sys_get_trend(struct thermal_zone_device *thermal, |
| 126 | int trip, enum thermal_trend *trend) |
| 127 | { |
| 128 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 129 | |
| 130 | *trend = pzone->trend; |
| 131 | |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | /* Callback to get thermal zone mode */ |
| 136 | static int db8500_sys_get_mode(struct thermal_zone_device *thermal, |
| 137 | enum thermal_device_mode *mode) |
| 138 | { |
| 139 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 140 | |
| 141 | mutex_lock(&pzone->th_lock); |
| 142 | *mode = pzone->mode; |
| 143 | mutex_unlock(&pzone->th_lock); |
| 144 | |
| 145 | return 0; |
| 146 | } |
| 147 | |
| 148 | /* Callback to set thermal zone mode */ |
| 149 | static int db8500_sys_set_mode(struct thermal_zone_device *thermal, |
| 150 | enum thermal_device_mode mode) |
| 151 | { |
| 152 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 153 | |
| 154 | mutex_lock(&pzone->th_lock); |
| 155 | |
| 156 | pzone->mode = mode; |
| 157 | if (mode == THERMAL_DEVICE_ENABLED) |
| 158 | schedule_work(&pzone->therm_work); |
| 159 | |
| 160 | mutex_unlock(&pzone->th_lock); |
| 161 | |
| 162 | return 0; |
| 163 | } |
| 164 | |
| 165 | /* Callback to get trip point type */ |
| 166 | static int db8500_sys_get_trip_type(struct thermal_zone_device *thermal, |
| 167 | int trip, enum thermal_trip_type *type) |
| 168 | { |
| 169 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 170 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 171 | |
| 172 | if (trip >= ptrips->num_trips) |
| 173 | return -EINVAL; |
| 174 | |
| 175 | *type = ptrips->trip_points[trip].type; |
| 176 | |
| 177 | return 0; |
| 178 | } |
| 179 | |
| 180 | /* Callback to get trip point temperature */ |
| 181 | static int db8500_sys_get_trip_temp(struct thermal_zone_device *thermal, |
| 182 | int trip, int *temp) |
| 183 | { |
| 184 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 185 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 186 | |
| 187 | if (trip >= ptrips->num_trips) |
| 188 | return -EINVAL; |
| 189 | |
| 190 | *temp = ptrips->trip_points[trip].temp; |
| 191 | |
| 192 | return 0; |
| 193 | } |
| 194 | |
| 195 | /* Callback to get critical trip point temperature */ |
| 196 | static int db8500_sys_get_crit_temp(struct thermal_zone_device *thermal, |
| 197 | int *temp) |
| 198 | { |
| 199 | struct db8500_thermal_zone *pzone = thermal->devdata; |
| 200 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 201 | int i; |
| 202 | |
| 203 | for (i = ptrips->num_trips - 1; i > 0; i--) { |
| 204 | if (ptrips->trip_points[i].type == THERMAL_TRIP_CRITICAL) { |
| 205 | *temp = ptrips->trip_points[i].temp; |
| 206 | return 0; |
| 207 | } |
| 208 | } |
| 209 | |
| 210 | return -EINVAL; |
| 211 | } |
| 212 | |
| 213 | static struct thermal_zone_device_ops thdev_ops = { |
| 214 | .bind = db8500_cdev_bind, |
| 215 | .unbind = db8500_cdev_unbind, |
| 216 | .get_temp = db8500_sys_get_temp, |
| 217 | .get_trend = db8500_sys_get_trend, |
| 218 | .get_mode = db8500_sys_get_mode, |
| 219 | .set_mode = db8500_sys_set_mode, |
| 220 | .get_trip_type = db8500_sys_get_trip_type, |
| 221 | .get_trip_temp = db8500_sys_get_trip_temp, |
| 222 | .get_crit_temp = db8500_sys_get_crit_temp, |
| 223 | }; |
| 224 | |
| 225 | static void db8500_thermal_update_config(struct db8500_thermal_zone *pzone, |
| 226 | unsigned int idx, enum thermal_trend trend, |
| 227 | unsigned long next_low, unsigned long next_high) |
| 228 | { |
| 229 | prcmu_stop_temp_sense(); |
| 230 | |
| 231 | pzone->cur_index = idx; |
| 232 | pzone->cur_temp_pseudo = (next_low + next_high)/2; |
| 233 | pzone->trend = trend; |
| 234 | |
| 235 | prcmu_config_hotmon((u8)(next_low/1000), (u8)(next_high/1000)); |
| 236 | prcmu_start_temp_sense(PRCMU_DEFAULT_MEASURE_TIME); |
| 237 | } |
| 238 | |
| 239 | static irqreturn_t prcmu_low_irq_handler(int irq, void *irq_data) |
| 240 | { |
| 241 | struct db8500_thermal_zone *pzone = irq_data; |
| 242 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 243 | unsigned int idx = pzone->cur_index; |
| 244 | unsigned long next_low, next_high; |
| 245 | |
| 246 | if (unlikely(idx == 0)) |
| 247 | /* Meaningless for thermal management, ignoring it */ |
| 248 | return IRQ_HANDLED; |
| 249 | |
| 250 | if (idx == 1) { |
| 251 | next_high = ptrips->trip_points[0].temp; |
| 252 | next_low = PRCMU_DEFAULT_LOW_TEMP; |
| 253 | } else { |
| 254 | next_high = ptrips->trip_points[idx-1].temp; |
| 255 | next_low = ptrips->trip_points[idx-2].temp; |
| 256 | } |
| 257 | idx -= 1; |
| 258 | |
| 259 | db8500_thermal_update_config(pzone, idx, THERMAL_TREND_DROPPING, |
| 260 | next_low, next_high); |
| 261 | |
| 262 | dev_dbg(&pzone->therm_dev->device, |
| 263 | "PRCMU set max %ld, min %ld\n", next_high, next_low); |
| 264 | |
| 265 | schedule_work(&pzone->therm_work); |
| 266 | |
| 267 | return IRQ_HANDLED; |
| 268 | } |
| 269 | |
| 270 | static irqreturn_t prcmu_high_irq_handler(int irq, void *irq_data) |
| 271 | { |
| 272 | struct db8500_thermal_zone *pzone = irq_data; |
| 273 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 274 | unsigned int idx = pzone->cur_index; |
| 275 | unsigned long next_low, next_high; |
| 276 | |
| 277 | if (idx < ptrips->num_trips - 1) { |
| 278 | next_high = ptrips->trip_points[idx+1].temp; |
| 279 | next_low = ptrips->trip_points[idx].temp; |
| 280 | idx += 1; |
| 281 | |
| 282 | db8500_thermal_update_config(pzone, idx, THERMAL_TREND_RAISING, |
| 283 | next_low, next_high); |
| 284 | |
| 285 | dev_dbg(&pzone->therm_dev->device, |
| 286 | "PRCMU set max %ld, min %ld\n", next_high, next_low); |
| 287 | } else if (idx == ptrips->num_trips - 1) |
| 288 | pzone->cur_temp_pseudo = ptrips->trip_points[idx].temp + 1; |
| 289 | |
| 290 | schedule_work(&pzone->therm_work); |
| 291 | |
| 292 | return IRQ_HANDLED; |
| 293 | } |
| 294 | |
| 295 | static void db8500_thermal_work(struct work_struct *work) |
| 296 | { |
| 297 | enum thermal_device_mode cur_mode; |
| 298 | struct db8500_thermal_zone *pzone; |
| 299 | |
| 300 | pzone = container_of(work, struct db8500_thermal_zone, therm_work); |
| 301 | |
| 302 | mutex_lock(&pzone->th_lock); |
| 303 | cur_mode = pzone->mode; |
| 304 | mutex_unlock(&pzone->th_lock); |
| 305 | |
| 306 | if (cur_mode == THERMAL_DEVICE_DISABLED) |
| 307 | return; |
| 308 | |
| 309 | thermal_zone_device_update(pzone->therm_dev); |
| 310 | dev_dbg(&pzone->therm_dev->device, "thermal work finished.\n"); |
| 311 | } |
| 312 | |
| 313 | #ifdef CONFIG_OF |
| 314 | static struct db8500_thsens_platform_data* |
| 315 | db8500_thermal_parse_dt(struct platform_device *pdev) |
| 316 | { |
| 317 | struct db8500_thsens_platform_data *ptrips; |
| 318 | struct device_node *np = pdev->dev.of_node; |
| 319 | char prop_name[32]; |
| 320 | const char *tmp_str; |
| 321 | u32 tmp_data; |
| 322 | int i, j; |
| 323 | |
| 324 | ptrips = devm_kzalloc(&pdev->dev, sizeof(*ptrips), GFP_KERNEL); |
| 325 | if (!ptrips) |
| 326 | return NULL; |
| 327 | |
| 328 | if (of_property_read_u32(np, "num-trips", &tmp_data)) |
| 329 | goto err_parse_dt; |
| 330 | |
| 331 | if (tmp_data > THERMAL_MAX_TRIPS) |
| 332 | goto err_parse_dt; |
| 333 | |
| 334 | ptrips->num_trips = tmp_data; |
| 335 | |
| 336 | for (i = 0; i < ptrips->num_trips; i++) { |
| 337 | sprintf(prop_name, "trip%d-temp", i); |
| 338 | if (of_property_read_u32(np, prop_name, &tmp_data)) |
| 339 | goto err_parse_dt; |
| 340 | |
| 341 | ptrips->trip_points[i].temp = tmp_data; |
| 342 | |
| 343 | sprintf(prop_name, "trip%d-type", i); |
| 344 | if (of_property_read_string(np, prop_name, &tmp_str)) |
| 345 | goto err_parse_dt; |
| 346 | |
| 347 | if (!strcmp(tmp_str, "active")) |
| 348 | ptrips->trip_points[i].type = THERMAL_TRIP_ACTIVE; |
| 349 | else if (!strcmp(tmp_str, "passive")) |
| 350 | ptrips->trip_points[i].type = THERMAL_TRIP_PASSIVE; |
| 351 | else if (!strcmp(tmp_str, "hot")) |
| 352 | ptrips->trip_points[i].type = THERMAL_TRIP_HOT; |
| 353 | else if (!strcmp(tmp_str, "critical")) |
| 354 | ptrips->trip_points[i].type = THERMAL_TRIP_CRITICAL; |
| 355 | else |
| 356 | goto err_parse_dt; |
| 357 | |
| 358 | sprintf(prop_name, "trip%d-cdev-num", i); |
| 359 | if (of_property_read_u32(np, prop_name, &tmp_data)) |
| 360 | goto err_parse_dt; |
| 361 | |
| 362 | if (tmp_data > COOLING_DEV_MAX) |
| 363 | goto err_parse_dt; |
| 364 | |
| 365 | for (j = 0; j < tmp_data; j++) { |
| 366 | sprintf(prop_name, "trip%d-cdev-name%d", i, j); |
| 367 | if (of_property_read_string(np, prop_name, &tmp_str)) |
| 368 | goto err_parse_dt; |
| 369 | |
| 370 | if (strlen(tmp_str) >= THERMAL_NAME_LENGTH) |
| 371 | goto err_parse_dt; |
| 372 | |
| 373 | strcpy(ptrips->trip_points[i].cdev_name[j], tmp_str); |
| 374 | } |
| 375 | } |
| 376 | return ptrips; |
| 377 | |
| 378 | err_parse_dt: |
| 379 | dev_err(&pdev->dev, "Parsing device tree data error.\n"); |
| 380 | return NULL; |
| 381 | } |
| 382 | #else |
| 383 | static inline struct db8500_thsens_platform_data* |
| 384 | db8500_thermal_parse_dt(struct platform_device *pdev) |
| 385 | { |
| 386 | return NULL; |
| 387 | } |
| 388 | #endif |
| 389 | |
| 390 | static int db8500_thermal_probe(struct platform_device *pdev) |
| 391 | { |
| 392 | struct db8500_thermal_zone *pzone = NULL; |
| 393 | struct db8500_thsens_platform_data *ptrips = NULL; |
| 394 | struct device_node *np = pdev->dev.of_node; |
| 395 | int low_irq, high_irq, ret = 0; |
| 396 | unsigned long dft_low, dft_high; |
| 397 | |
| 398 | if (np) |
| 399 | ptrips = db8500_thermal_parse_dt(pdev); |
| 400 | else |
| 401 | ptrips = dev_get_platdata(&pdev->dev); |
| 402 | |
| 403 | if (!ptrips) |
| 404 | return -EINVAL; |
| 405 | |
| 406 | pzone = devm_kzalloc(&pdev->dev, sizeof(*pzone), GFP_KERNEL); |
| 407 | if (!pzone) |
| 408 | return -ENOMEM; |
| 409 | |
| 410 | mutex_init(&pzone->th_lock); |
| 411 | mutex_lock(&pzone->th_lock); |
| 412 | |
| 413 | pzone->mode = THERMAL_DEVICE_DISABLED; |
| 414 | pzone->trip_tab = ptrips; |
| 415 | |
| 416 | INIT_WORK(&pzone->therm_work, db8500_thermal_work); |
| 417 | |
| 418 | low_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_LOW"); |
| 419 | if (low_irq < 0) { |
| 420 | dev_err(&pdev->dev, "Get IRQ_HOTMON_LOW failed.\n"); |
| 421 | ret = low_irq; |
| 422 | goto out_unlock; |
| 423 | } |
| 424 | |
| 425 | ret = devm_request_threaded_irq(&pdev->dev, low_irq, NULL, |
| 426 | prcmu_low_irq_handler, IRQF_NO_SUSPEND | IRQF_ONESHOT, |
| 427 | "dbx500_temp_low", pzone); |
| 428 | if (ret < 0) { |
| 429 | dev_err(&pdev->dev, "Failed to allocate temp low irq.\n"); |
| 430 | goto out_unlock; |
| 431 | } |
| 432 | |
| 433 | high_irq = platform_get_irq_byname(pdev, "IRQ_HOTMON_HIGH"); |
| 434 | if (high_irq < 0) { |
| 435 | dev_err(&pdev->dev, "Get IRQ_HOTMON_HIGH failed.\n"); |
| 436 | ret = high_irq; |
| 437 | goto out_unlock; |
| 438 | } |
| 439 | |
| 440 | ret = devm_request_threaded_irq(&pdev->dev, high_irq, NULL, |
| 441 | prcmu_high_irq_handler, IRQF_NO_SUSPEND | IRQF_ONESHOT, |
| 442 | "dbx500_temp_high", pzone); |
| 443 | if (ret < 0) { |
| 444 | dev_err(&pdev->dev, "Failed to allocate temp high irq.\n"); |
| 445 | goto out_unlock; |
| 446 | } |
| 447 | |
| 448 | pzone->therm_dev = thermal_zone_device_register("db8500_thermal_zone", |
| 449 | ptrips->num_trips, 0, pzone, &thdev_ops, NULL, 0, 0); |
| 450 | |
| 451 | if (IS_ERR(pzone->therm_dev)) { |
| 452 | dev_err(&pdev->dev, "Register thermal zone device failed.\n"); |
| 453 | ret = PTR_ERR(pzone->therm_dev); |
| 454 | goto out_unlock; |
| 455 | } |
| 456 | dev_info(&pdev->dev, "Thermal zone device registered.\n"); |
| 457 | |
| 458 | dft_low = PRCMU_DEFAULT_LOW_TEMP; |
| 459 | dft_high = ptrips->trip_points[0].temp; |
| 460 | |
| 461 | db8500_thermal_update_config(pzone, 0, THERMAL_TREND_STABLE, |
| 462 | dft_low, dft_high); |
| 463 | |
| 464 | platform_set_drvdata(pdev, pzone); |
| 465 | pzone->mode = THERMAL_DEVICE_ENABLED; |
| 466 | |
| 467 | out_unlock: |
| 468 | mutex_unlock(&pzone->th_lock); |
| 469 | |
| 470 | return ret; |
| 471 | } |
| 472 | |
| 473 | static int db8500_thermal_remove(struct platform_device *pdev) |
| 474 | { |
| 475 | struct db8500_thermal_zone *pzone = platform_get_drvdata(pdev); |
| 476 | |
| 477 | thermal_zone_device_unregister(pzone->therm_dev); |
| 478 | cancel_work_sync(&pzone->therm_work); |
| 479 | mutex_destroy(&pzone->th_lock); |
| 480 | |
| 481 | return 0; |
| 482 | } |
| 483 | |
| 484 | static int db8500_thermal_suspend(struct platform_device *pdev, |
| 485 | pm_message_t state) |
| 486 | { |
| 487 | struct db8500_thermal_zone *pzone = platform_get_drvdata(pdev); |
| 488 | |
| 489 | flush_work(&pzone->therm_work); |
| 490 | prcmu_stop_temp_sense(); |
| 491 | |
| 492 | return 0; |
| 493 | } |
| 494 | |
| 495 | static int db8500_thermal_resume(struct platform_device *pdev) |
| 496 | { |
| 497 | struct db8500_thermal_zone *pzone = platform_get_drvdata(pdev); |
| 498 | struct db8500_thsens_platform_data *ptrips = pzone->trip_tab; |
| 499 | unsigned long dft_low, dft_high; |
| 500 | |
| 501 | dft_low = PRCMU_DEFAULT_LOW_TEMP; |
| 502 | dft_high = ptrips->trip_points[0].temp; |
| 503 | |
| 504 | db8500_thermal_update_config(pzone, 0, THERMAL_TREND_STABLE, |
| 505 | dft_low, dft_high); |
| 506 | |
| 507 | return 0; |
| 508 | } |
| 509 | |
| 510 | #ifdef CONFIG_OF |
| 511 | static const struct of_device_id db8500_thermal_match[] = { |
| 512 | { .compatible = "stericsson,db8500-thermal" }, |
| 513 | {}, |
| 514 | }; |
| 515 | #endif |
| 516 | |
| 517 | static struct platform_driver db8500_thermal_driver = { |
| 518 | .driver = { |
| 519 | .name = "db8500-thermal", |
| 520 | .of_match_table = of_match_ptr(db8500_thermal_match), |
| 521 | }, |
| 522 | .probe = db8500_thermal_probe, |
| 523 | .suspend = db8500_thermal_suspend, |
| 524 | .resume = db8500_thermal_resume, |
| 525 | .remove = db8500_thermal_remove, |
| 526 | }; |
| 527 | |
| 528 | module_platform_driver(db8500_thermal_driver); |
| 529 | |
| 530 | MODULE_AUTHOR("Hongbo Zhang <hongbo.zhang@stericsson.com>"); |
| 531 | MODULE_DESCRIPTION("DB8500 thermal driver"); |
| 532 | MODULE_LICENSE("GPL"); |