Loading...
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877 878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _LINUX_RESET_H_ #define _LINUX_RESET_H_ #include <linux/err.h> #include <linux/errno.h> #include <linux/types.h> struct device; struct device_node; struct reset_control; /** * struct reset_control_bulk_data - Data used for bulk reset control operations. * * @id: reset control consumer ID * @rstc: struct reset_control * to store the associated reset control * * The reset APIs provide a series of reset_control_bulk_*() API calls as * a convenience to consumers which require multiple reset controls. * This structure is used to manage data for these calls. */ struct reset_control_bulk_data { const char *id; struct reset_control *rstc; }; #ifdef CONFIG_RESET_CONTROLLER int reset_control_reset(struct reset_control *rstc); int reset_control_rearm(struct reset_control *rstc); int reset_control_assert(struct reset_control *rstc); int reset_control_deassert(struct reset_control *rstc); int reset_control_status(struct reset_control *rstc); int reset_control_acquire(struct reset_control *rstc); void reset_control_release(struct reset_control *rstc); int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs); int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs); void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs); struct reset_control *__of_reset_control_get(struct device_node *node, const char *id, int index, bool shared, bool optional, bool acquired); struct reset_control *__reset_control_get(struct device *dev, const char *id, int index, bool shared, bool optional, bool acquired); void reset_control_put(struct reset_control *rstc); int __reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, bool shared, bool optional, bool acquired); void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs); int __device_reset(struct device *dev, bool optional); struct reset_control *__devm_reset_control_get(struct device *dev, const char *id, int index, bool shared, bool optional, bool acquired); int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, bool shared, bool optional, bool acquired); struct reset_control *devm_reset_control_array_get(struct device *dev, bool shared, bool optional); struct reset_control *of_reset_control_array_get(struct device_node *np, bool shared, bool optional, bool acquired); int reset_control_get_count(struct device *dev); #else static inline int reset_control_reset(struct reset_control *rstc) { return 0; } static inline int reset_control_rearm(struct reset_control *rstc) { return 0; } static inline int reset_control_assert(struct reset_control *rstc) { return 0; } static inline int reset_control_deassert(struct reset_control *rstc) { return 0; } static inline int reset_control_status(struct reset_control *rstc) { return 0; } static inline int reset_control_acquire(struct reset_control *rstc) { return 0; } static inline void reset_control_release(struct reset_control *rstc) { } static inline void reset_control_put(struct reset_control *rstc) { } static inline int __device_reset(struct device *dev, bool optional) { return optional ? 0 : -ENOTSUPP; } static inline struct reset_control *__of_reset_control_get( struct device_node *node, const char *id, int index, bool shared, bool optional, bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline struct reset_control *__reset_control_get( struct device *dev, const char *id, int index, bool shared, bool optional, bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int reset_control_bulk_reset(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_assert(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_deassert(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline int reset_control_bulk_acquire(int num_rstcs, struct reset_control_bulk_data *rstcs) { return 0; } static inline void reset_control_bulk_release(int num_rstcs, struct reset_control_bulk_data *rstcs) { } static inline int __reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, bool shared, bool optional, bool acquired) { return optional ? 0 : -EOPNOTSUPP; } static inline void reset_control_bulk_put(int num_rstcs, struct reset_control_bulk_data *rstcs) { } static inline struct reset_control *__devm_reset_control_get( struct device *dev, const char *id, int index, bool shared, bool optional, bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int __devm_reset_control_bulk_get(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs, bool shared, bool optional, bool acquired) { return optional ? 0 : -EOPNOTSUPP; } static inline struct reset_control * devm_reset_control_array_get(struct device *dev, bool shared, bool optional) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline struct reset_control * of_reset_control_array_get(struct device_node *np, bool shared, bool optional, bool acquired) { return optional ? NULL : ERR_PTR(-ENOTSUPP); } static inline int reset_control_get_count(struct device *dev) { return -ENOENT; } #endif /* CONFIG_RESET_CONTROLLER */ static inline int __must_check device_reset(struct device *dev) { return __device_reset(dev, false); } static inline int device_reset_optional(struct device *dev) { return __device_reset(dev, true); } /** * reset_control_get_exclusive - Lookup and obtain an exclusive reference * to a reset controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * If this function is called more than once for the same reset_control it will * return -EBUSY. * * See reset_control_get_shared() for details on shared references to * reset-controls. * * Use of id names is optional. */ static inline struct reset_control * __must_check reset_control_get_exclusive(struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, false, false, true); } /** * reset_control_bulk_get_exclusive - Lookup and obtain exclusive references to * multiple reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to exclusive reset controls and * returns 0, or an IS_ERR() condition containing errno. */ static inline int __must_check reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true); } /** * reset_control_get_exclusive_released - Lookup and obtain a temoprarily * exclusive reference to a reset * controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * reset-controls returned by this function must be acquired via * reset_control_acquire() before they can be used and should be released * via reset_control_release() afterwards. * * Use of id names is optional. */ static inline struct reset_control * __must_check reset_control_get_exclusive_released(struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, false, false, false); } /** * reset_control_bulk_get_exclusive_released - Lookup and obtain temporarily * exclusive references to multiple reset * controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to exclusive reset controls and * returns 0, or an IS_ERR() condition containing errno. * reset-controls returned by this function must be acquired via * reset_control_bulk_acquire() before they can be used and should be released * via reset_control_bulk_release() afterwards. */ static inline int __must_check reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false); } /** * reset_control_bulk_get_optional_exclusive_released - Lookup and obtain optional * temporarily exclusive references to multiple * reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_exclusive_released(). If the * requested reset is not specified in the device tree, this function returns 0 * instead of an error and missing rtsc is set to NULL. * * See reset_control_bulk_get_exclusive_released() for more information. */ static inline int __must_check reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false); } /** * reset_control_get_shared - Lookup and obtain a shared reference to a * reset controller. * @dev: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * This function is intended for use with reset-controls which are shared * between hardware blocks. * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * * Use of id names is optional. */ static inline struct reset_control *reset_control_get_shared( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, true, false, false); } /** * reset_control_bulk_get_shared - Lookup and obtain shared references to * multiple reset controllers. * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Fills the rstcs array with pointers to shared reset controls and * returns 0, or an IS_ERR() condition containing errno. */ static inline int __must_check reset_control_bulk_get_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false); } /** * reset_control_get_optional_exclusive - optional reset_control_get_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Optional variant of reset_control_get_exclusive(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control *reset_control_get_optional_exclusive( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, false, true, true); } /** * reset_control_bulk_get_optional_exclusive - optional * reset_control_bulk_get_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_exclusive(). If any of the * requested resets are not specified in the device tree, this function sets * them to NULL instead of returning an error. * * See reset_control_bulk_get_exclusive() for more information. */ static inline int __must_check reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true); } /** * reset_control_get_optional_shared - optional reset_control_get_shared() * @dev: device to be reset by the controller * @id: reset line name * * Optional variant of reset_control_get_shared(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * See reset_control_get_shared() for more information. */ static inline struct reset_control *reset_control_get_optional_shared( struct device *dev, const char *id) { return __reset_control_get(dev, id, 0, true, true, false); } /** * reset_control_bulk_get_optional_shared - optional * reset_control_bulk_get_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Optional variant of reset_control_bulk_get_shared(). If the requested resets * are not specified in the device tree, this function sets them to NULL * instead of returning an error. * * See reset_control_bulk_get_shared() for more information. */ static inline int __must_check reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false); } /** * of_reset_control_get_exclusive - Lookup and obtain an exclusive reference * to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_exclusive( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, false, false, true); } /** * of_reset_control_get_optional_exclusive - Lookup and obtain an optional exclusive * reference to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * Optional variant of of_reset_control_get_exclusive(). If the requested reset * is not specified in the device tree, this function returns NULL instead of * an error. * * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_optional_exclusive( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, false, true, true); } /** * of_reset_control_get_shared - Lookup and obtain a shared reference * to a reset controller. * @node: device to be reset by the controller * @id: reset line name * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * Returns a struct reset_control or IS_ERR() condition containing errno. * * Use of id names is optional. */ static inline struct reset_control *of_reset_control_get_shared( struct device_node *node, const char *id) { return __of_reset_control_get(node, id, 0, true, false, false); } /** * of_reset_control_get_exclusive_by_index - Lookup and obtain an exclusive * reference to a reset controller * by index. * @node: device to be reset by the controller * @index: index of the reset controller * * This is to be used to perform a list of resets for a device or power domain * in whatever order. Returns a struct reset_control or IS_ERR() condition * containing errno. */ static inline struct reset_control *of_reset_control_get_exclusive_by_index( struct device_node *node, int index) { return __of_reset_control_get(node, NULL, index, false, false, true); } /** * of_reset_control_get_shared_by_index - Lookup and obtain a shared * reference to a reset controller * by index. * @node: device to be reset by the controller * @index: index of the reset controller * * When a reset-control is shared, the behavior of reset_control_assert / * deassert is changed, the reset-core will keep track of a deassert_count * and only (re-)assert the reset after reset_control_assert has been called * as many times as reset_control_deassert was called. Also see the remark * about shared reset-controls in the reset_control_assert docs. * * Calling reset_control_assert without first calling reset_control_deassert * is not allowed on a shared reset control. Calling reset_control_reset is * also not allowed on a shared reset control. * Returns a struct reset_control or IS_ERR() condition containing errno. * * This is to be used to perform a list of resets for a device or power domain * in whatever order. Returns a struct reset_control or IS_ERR() condition * containing errno. */ static inline struct reset_control *of_reset_control_get_shared_by_index( struct device_node *node, int index) { return __of_reset_control_get(node, NULL, index, true, false, false); } /** * devm_reset_control_get_exclusive - resource managed * reset_control_get_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_exclusive(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_exclusive(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, false, false, true); } /** * devm_reset_control_bulk_get_exclusive - resource managed * reset_control_bulk_get_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_exclusive(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_bulk_get_exclusive() for more information. */ static inline int __must_check devm_reset_control_bulk_get_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, true); } /** * devm_reset_control_get_exclusive_released - resource managed * reset_control_get_exclusive_released() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_exclusive_released(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_get_exclusive_released() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_exclusive_released(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, false, false, false); } /** * devm_reset_control_bulk_get_exclusive_released - resource managed * reset_control_bulk_get_exclusive_released() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_exclusive_released(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_exclusive_released() for more information. */ static inline int __must_check devm_reset_control_bulk_get_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, false, false); } /** * devm_reset_control_get_optional_exclusive_released - resource managed * reset_control_get_optional_exclusive_released() * @dev: device to be reset by the controller * @id: reset line name * * Managed-and-optional variant of reset_control_get_exclusive_released(). For * reset controllers returned from this function, reset_control_put() is called * automatically on driver detach. * * See reset_control_get_exclusive_released() for more information. */ static inline struct reset_control * __must_check devm_reset_control_get_optional_exclusive_released(struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, false, true, false); } /** * devm_reset_control_bulk_get_optional_exclusive_released - resource managed * reset_control_bulk_optional_get_exclusive_released() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_optional_get_exclusive_released(). For reset * controllers returned from this function, reset_control_put() is called * automatically on driver detach. * * See reset_control_bulk_optional_get_exclusive_released() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_exclusive_released(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, false); } /** * devm_reset_control_get_shared - resource managed reset_control_get_shared() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_shared(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver detach. * See reset_control_get_shared() for more information. */ static inline struct reset_control *devm_reset_control_get_shared( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, true, false, false); } /** * devm_reset_control_bulk_get_shared - resource managed * reset_control_bulk_get_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_shared(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_bulk_get_shared() for more information. */ static inline int __must_check devm_reset_control_bulk_get_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, false, false); } /** * devm_reset_control_get_optional_exclusive - resource managed * reset_control_get_optional_exclusive() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_exclusive(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_get_optional_exclusive() for more information. */ static inline struct reset_control *devm_reset_control_get_optional_exclusive( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, false, true, true); } /** * devm_reset_control_bulk_get_optional_exclusive - resource managed * reset_control_bulk_get_optional_exclusive() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_optional_exclusive(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_optional_exclusive() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_exclusive(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, false, true, true); } /** * devm_reset_control_get_optional_shared - resource managed * reset_control_get_optional_shared() * @dev: device to be reset by the controller * @id: reset line name * * Managed reset_control_get_optional_shared(). For reset controllers returned * from this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_optional_shared() for more information. */ static inline struct reset_control *devm_reset_control_get_optional_shared( struct device *dev, const char *id) { return __devm_reset_control_get(dev, id, 0, true, true, false); } /** * devm_reset_control_bulk_get_optional_shared - resource managed * reset_control_bulk_get_optional_shared() * @dev: device to be reset by the controller * @num_rstcs: number of entries in rstcs array * @rstcs: array of struct reset_control_bulk_data with reset line names set * * Managed reset_control_bulk_get_optional_shared(). For reset controllers * returned from this function, reset_control_put() is called automatically on * driver detach. * * See reset_control_bulk_get_optional_shared() for more information. */ static inline int __must_check devm_reset_control_bulk_get_optional_shared(struct device *dev, int num_rstcs, struct reset_control_bulk_data *rstcs) { return __devm_reset_control_bulk_get(dev, num_rstcs, rstcs, true, true, false); } /** * devm_reset_control_get_exclusive_by_index - resource managed * reset_control_get_exclusive() * @dev: device to be reset by the controller * @index: index of the reset controller * * Managed reset_control_get_exclusive(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver * detach. * * See reset_control_get_exclusive() for more information. */ static inline struct reset_control * devm_reset_control_get_exclusive_by_index(struct device *dev, int index) { return __devm_reset_control_get(dev, NULL, index, false, false, true); } /** * devm_reset_control_get_shared_by_index - resource managed * reset_control_get_shared * @dev: device to be reset by the controller * @index: index of the reset controller * * Managed reset_control_get_shared(). For reset controllers returned from * this function, reset_control_put() is called automatically on driver detach. * See reset_control_get_shared() for more information. */ static inline struct reset_control * devm_reset_control_get_shared_by_index(struct device *dev, int index) { return __devm_reset_control_get(dev, NULL, index, true, false, false); } /* * TEMPORARY calls to use during transition: * * of_reset_control_get() => of_reset_control_get_exclusive() * * These inline function calls will be removed once all consumers * have been moved over to the new explicit API. */ static inline struct reset_control *of_reset_control_get( struct device_node *node, const char *id) { return of_reset_control_get_exclusive(node, id); } static inline struct reset_control *of_reset_control_get_by_index( struct device_node *node, int index) { return of_reset_control_get_exclusive_by_index(node, index); } static inline struct reset_control *devm_reset_control_get( struct device *dev, const char *id) { return devm_reset_control_get_exclusive(dev, id); } static inline struct reset_control *devm_reset_control_get_optional( struct device *dev, const char *id) { return devm_reset_control_get_optional_exclusive(dev, id); } static inline struct reset_control *devm_reset_control_get_by_index( struct device *dev, int index) { return devm_reset_control_get_exclusive_by_index(dev, index); } /* * APIs to manage a list of reset controllers */ static inline struct reset_control * devm_reset_control_array_get_exclusive(struct device *dev) { return devm_reset_control_array_get(dev, false, false); } static inline struct reset_control * devm_reset_control_array_get_shared(struct device *dev) { return devm_reset_control_array_get(dev, true, false); } static inline struct reset_control * devm_reset_control_array_get_optional_exclusive(struct device *dev) { return devm_reset_control_array_get(dev, false, true); } static inline struct reset_control * devm_reset_control_array_get_optional_shared(struct device *dev) { return devm_reset_control_array_get(dev, true, true); } static inline struct reset_control * of_reset_control_array_get_exclusive(struct device_node *node) { return of_reset_control_array_get(node, false, false, true); } static inline struct reset_control * of_reset_control_array_get_exclusive_released(struct device_node *node) { return of_reset_control_array_get(node, false, false, false); } static inline struct reset_control * of_reset_control_array_get_shared(struct device_node *node) { return of_reset_control_array_get(node, true, false, true); } static inline struct reset_control * of_reset_control_array_get_optional_exclusive(struct device_node *node) { return of_reset_control_array_get(node, false, true, true); } static inline struct reset_control * of_reset_control_array_get_optional_shared(struct device_node *node) { return of_reset_control_array_get(node, true, true, true); } #endif |