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hc
2024-05-10 093a6c67005148ae32a5c9e4553491b9f5c2457b 
 kernel/include/linux/ide.h
....@@ -10,7 +10,7 @@
1010 #include <linux/init.h>
1111 #include <linux/ioport.h>
1212 #include <linux/ata.h>
13
-#include <linux/blkdev.h>
13
+#include <linux/blk-mq.h>
1414 #include <linux/proc_fs.h>
1515 #include <linux/interrupt.h>
1616 #include <linux/bitops.h>
....@@ -50,6 +50,7 @@
5050 	struct scsi_request sreq;
5151 	u8 sense[SCSI_SENSE_BUFFERSIZE];
5252 	u8 type;
53
+	void *special;
5354 };
5455 
5556 static inline struct ide_request *ide_req(struct request *rq)
....@@ -252,9 +253,9 @@
252253  * Special Driver Flags
253254  */
254255 enum {
255
-	IDE_SFLAG_SET_GEOMETRY		= (1 << 0),
256
-	IDE_SFLAG_RECALIBRATE		= (1 << 1),
257
-	IDE_SFLAG_SET_MULTMODE		= (1 << 2),
256
+	IDE_SFLAG_SET_GEOMETRY		= BIT(0),
257
+	IDE_SFLAG_RECALIBRATE		= BIT(1),
258
+	IDE_SFLAG_SET_MULTMODE		= BIT(2),
258259 };
259260 
260261 /*
....@@ -266,13 +267,13 @@
266267 } ide_startstop_t;
267268 
268269 enum {
269
-	IDE_VALID_ERROR 		= (1 << 1),
270
+	IDE_VALID_ERROR 		= BIT(1),
270271 	IDE_VALID_FEATURE		= IDE_VALID_ERROR,
271
-	IDE_VALID_NSECT 		= (1 << 2),
272
-	IDE_VALID_LBAL			= (1 << 3),
273
-	IDE_VALID_LBAM			= (1 << 4),
274
-	IDE_VALID_LBAH			= (1 << 5),
275
-	IDE_VALID_DEVICE		= (1 << 6),
272
+	IDE_VALID_NSECT 		= BIT(2),
273
+	IDE_VALID_LBAL			= BIT(3),
274
+	IDE_VALID_LBAM			= BIT(4),
275
+	IDE_VALID_LBAH			= BIT(5),
276
+	IDE_VALID_DEVICE		= BIT(6),
276277 	IDE_VALID_LBA			= IDE_VALID_LBAL |
277278 					  IDE_VALID_LBAM |
278279 					  IDE_VALID_LBAH,
....@@ -288,24 +289,24 @@
288289 };
289290 
290291 enum {
291
-	IDE_TFLAG_LBA48			= (1 << 0),
292
-	IDE_TFLAG_WRITE			= (1 << 1),
293
-	IDE_TFLAG_CUSTOM_HANDLER	= (1 << 2),
294
-	IDE_TFLAG_DMA_PIO_FALLBACK	= (1 << 3),
292
+	IDE_TFLAG_LBA48			= BIT(0),
293
+	IDE_TFLAG_WRITE			= BIT(1),
294
+	IDE_TFLAG_CUSTOM_HANDLER	= BIT(2),
295
+	IDE_TFLAG_DMA_PIO_FALLBACK	= BIT(3),
295296 	/* force 16-bit I/O operations */
296
-	IDE_TFLAG_IO_16BIT		= (1 << 4),
297
+	IDE_TFLAG_IO_16BIT		= BIT(4),
297298 	/* struct ide_cmd was allocated using kmalloc() */
298
-	IDE_TFLAG_DYN			= (1 << 5),
299
-	IDE_TFLAG_FS			= (1 << 6),
300
-	IDE_TFLAG_MULTI_PIO		= (1 << 7),
301
-	IDE_TFLAG_SET_XFER		= (1 << 8),
299
+	IDE_TFLAG_DYN			= BIT(5),
300
+	IDE_TFLAG_FS			= BIT(6),
301
+	IDE_TFLAG_MULTI_PIO		= BIT(7),
302
+	IDE_TFLAG_SET_XFER		= BIT(8),
302303 };
303304 
304305 enum {
305
-	IDE_FTFLAG_FLAGGED		= (1 << 0),
306
-	IDE_FTFLAG_SET_IN_FLAGS		= (1 << 1),
307
-	IDE_FTFLAG_OUT_DATA		= (1 << 2),
308
-	IDE_FTFLAG_IN_DATA		= (1 << 3),
306
+	IDE_FTFLAG_FLAGGED		= BIT(0),
307
+	IDE_FTFLAG_SET_IN_FLAGS		= BIT(1),
308
+	IDE_FTFLAG_OUT_DATA		= BIT(2),
309
+	IDE_FTFLAG_IN_DATA		= BIT(3),
309310 };
310311 
311312 struct ide_taskfile {
....@@ -356,13 +357,13 @@
356357 /* ATAPI packet command flags */
357358 enum {
358359 	/* set when an error is considered normal - no retry (ide-tape) */
359
-	PC_FLAG_ABORT			= (1 << 0),
360
-	PC_FLAG_SUPPRESS_ERROR		= (1 << 1),
361
-	PC_FLAG_WAIT_FOR_DSC		= (1 << 2),
362
-	PC_FLAG_DMA_OK			= (1 << 3),
363
-	PC_FLAG_DMA_IN_PROGRESS		= (1 << 4),
364
-	PC_FLAG_DMA_ERROR		= (1 << 5),
365
-	PC_FLAG_WRITING			= (1 << 6),
360
+	PC_FLAG_ABORT			= BIT(0),
361
+	PC_FLAG_SUPPRESS_ERROR		= BIT(1),
362
+	PC_FLAG_WAIT_FOR_DSC		= BIT(2),
363
+	PC_FLAG_DMA_OK			= BIT(3),
364
+	PC_FLAG_DMA_IN_PROGRESS		= BIT(4),
365
+	PC_FLAG_DMA_ERROR		= BIT(5),
366
+	PC_FLAG_WRITING			= BIT(6),
366367 };
367368 
368369 #define ATAPI_WAIT_PC		(60 * HZ)
....@@ -412,115 +413,115 @@
412413 				      sector_t);
413414 	int		(*ioctl)(struct ide_drive_s *, struct block_device *,
414415 				 fmode_t, unsigned int, unsigned long);
416
+	int		(*compat_ioctl)(struct ide_drive_s *, struct block_device *,
417
+					fmode_t, unsigned int, unsigned long);
415418 };
416419 
417420 /* ATAPI device flags */
418421 enum {
419
-	IDE_AFLAG_DRQ_INTERRUPT		= (1 << 0),
422
+	IDE_AFLAG_DRQ_INTERRUPT		= BIT(0),
420423 
421424 	/* ide-cd */
422425 	/* Drive cannot eject the disc. */
423
-	IDE_AFLAG_NO_EJECT		= (1 << 1),
426
+	IDE_AFLAG_NO_EJECT		= BIT(1),
424427 	/* Drive is a pre ATAPI 1.2 drive. */
425
-	IDE_AFLAG_PRE_ATAPI12		= (1 << 2),
428
+	IDE_AFLAG_PRE_ATAPI12		= BIT(2),
426429 	/* TOC addresses are in BCD. */
427
-	IDE_AFLAG_TOCADDR_AS_BCD	= (1 << 3),
430
+	IDE_AFLAG_TOCADDR_AS_BCD	= BIT(3),
428431 	/* TOC track numbers are in BCD. */
429
-	IDE_AFLAG_TOCTRACKS_AS_BCD	= (1 << 4),
432
+	IDE_AFLAG_TOCTRACKS_AS_BCD	= BIT(4),
430433 	/* Saved TOC information is current. */
431
-	IDE_AFLAG_TOC_VALID		= (1 << 6),
434
+	IDE_AFLAG_TOC_VALID		= BIT(6),
432435 	/* We think that the drive door is locked. */
433
-	IDE_AFLAG_DOOR_LOCKED		= (1 << 7),
436
+	IDE_AFLAG_DOOR_LOCKED		= BIT(7),
434437 	/* SET_CD_SPEED command is unsupported. */
435
-	IDE_AFLAG_NO_SPEED_SELECT	= (1 << 8),
436
-	IDE_AFLAG_VERTOS_300_SSD	= (1 << 9),
437
-	IDE_AFLAG_VERTOS_600_ESD	= (1 << 10),
438
-	IDE_AFLAG_SANYO_3CD		= (1 << 11),
439
-	IDE_AFLAG_FULL_CAPS_PAGE	= (1 << 12),
440
-	IDE_AFLAG_PLAY_AUDIO_OK		= (1 << 13),
441
-	IDE_AFLAG_LE_SPEED_FIELDS	= (1 << 14),
438
+	IDE_AFLAG_NO_SPEED_SELECT	= BIT(8),
439
+	IDE_AFLAG_VERTOS_300_SSD	= BIT(9),
440
+	IDE_AFLAG_VERTOS_600_ESD	= BIT(10),
441
+	IDE_AFLAG_SANYO_3CD		= BIT(11),
442
+	IDE_AFLAG_FULL_CAPS_PAGE	= BIT(12),
443
+	IDE_AFLAG_PLAY_AUDIO_OK		= BIT(13),
444
+	IDE_AFLAG_LE_SPEED_FIELDS	= BIT(14),
442445 
443446 	/* ide-floppy */
444447 	/* Avoid commands not supported in Clik drive */
445
-	IDE_AFLAG_CLIK_DRIVE		= (1 << 15),
448
+	IDE_AFLAG_CLIK_DRIVE		= BIT(15),
446449 	/* Requires BH algorithm for packets */
447
-	IDE_AFLAG_ZIP_DRIVE		= (1 << 16),
450
+	IDE_AFLAG_ZIP_DRIVE		= BIT(16),
448451 	/* Supports format progress report */
449
-	IDE_AFLAG_SRFP			= (1 << 17),
452
+	IDE_AFLAG_SRFP			= BIT(17),
450453 
451454 	/* ide-tape */
452
-	IDE_AFLAG_IGNORE_DSC		= (1 << 18),
455
+	IDE_AFLAG_IGNORE_DSC		= BIT(18),
453456 	/* 0 When the tape position is unknown */
454
-	IDE_AFLAG_ADDRESS_VALID		= (1 <<	19),
457
+	IDE_AFLAG_ADDRESS_VALID		= BIT(19),
455458 	/* Device already opened */
456
-	IDE_AFLAG_BUSY			= (1 << 20),
459
+	IDE_AFLAG_BUSY			= BIT(20),
457460 	/* Attempt to auto-detect the current user block size */
458
-	IDE_AFLAG_DETECT_BS		= (1 << 21),
461
+	IDE_AFLAG_DETECT_BS		= BIT(21),
459462 	/* Currently on a filemark */
460
-	IDE_AFLAG_FILEMARK		= (1 << 22),
463
+	IDE_AFLAG_FILEMARK		= BIT(22),
461464 	/* 0 = no tape is loaded, so we don't rewind after ejecting */
462
-	IDE_AFLAG_MEDIUM_PRESENT	= (1 << 23),
465
+	IDE_AFLAG_MEDIUM_PRESENT	= BIT(23),
463466 
464
-	IDE_AFLAG_NO_AUTOCLOSE		= (1 << 24),
467
+	IDE_AFLAG_NO_AUTOCLOSE		= BIT(24),
465468 };
466469 
467470 /* device flags */
468471 enum {
469472 	/* restore settings after device reset */
470
-	IDE_DFLAG_KEEP_SETTINGS		= (1 << 0),
473
+	IDE_DFLAG_KEEP_SETTINGS		= BIT(0),
471474 	/* device is using DMA for read/write */
472
-	IDE_DFLAG_USING_DMA		= (1 << 1),
475
+	IDE_DFLAG_USING_DMA		= BIT(1),
473476 	/* okay to unmask other IRQs */
474
-	IDE_DFLAG_UNMASK		= (1 << 2),
477
+	IDE_DFLAG_UNMASK		= BIT(2),
475478 	/* don't attempt flushes */
476
-	IDE_DFLAG_NOFLUSH		= (1 << 3),
479
+	IDE_DFLAG_NOFLUSH		= BIT(3),
477480 	/* DSC overlap */
478
-	IDE_DFLAG_DSC_OVERLAP		= (1 << 4),
481
+	IDE_DFLAG_DSC_OVERLAP		= BIT(4),
479482 	/* give potential excess bandwidth */
480
-	IDE_DFLAG_NICE1			= (1 << 5),
483
+	IDE_DFLAG_NICE1			= BIT(5),
481484 	/* device is physically present */
482
-	IDE_DFLAG_PRESENT		= (1 << 6),
485
+	IDE_DFLAG_PRESENT		= BIT(6),
483486 	/* disable Host Protected Area */
484
-	IDE_DFLAG_NOHPA			= (1 << 7),
487
+	IDE_DFLAG_NOHPA			= BIT(7),
485488 	/* id read from device (synthetic if not set) */
486
-	IDE_DFLAG_ID_READ		= (1 << 8),
487
-	IDE_DFLAG_NOPROBE		= (1 << 9),
489
+	IDE_DFLAG_ID_READ		= BIT(8),
490
+	IDE_DFLAG_NOPROBE		= BIT(9),
488491 	/* need to do check_media_change() */
489
-	IDE_DFLAG_REMOVABLE		= (1 << 10),
490
-	/* needed for removable devices */
491
-	IDE_DFLAG_ATTACH		= (1 << 11),
492
-	IDE_DFLAG_FORCED_GEOM		= (1 << 12),
492
+	IDE_DFLAG_REMOVABLE		= BIT(10),
493
+	IDE_DFLAG_FORCED_GEOM		= BIT(12),
493494 	/* disallow setting unmask bit */
494
-	IDE_DFLAG_NO_UNMASK		= (1 << 13),
495
+	IDE_DFLAG_NO_UNMASK		= BIT(13),
495496 	/* disallow enabling 32-bit I/O */
496
-	IDE_DFLAG_NO_IO_32BIT		= (1 << 14),
497
+	IDE_DFLAG_NO_IO_32BIT		= BIT(14),
497498 	/* for removable only: door lock/unlock works */
498
-	IDE_DFLAG_DOORLOCKING		= (1 << 15),
499
+	IDE_DFLAG_DOORLOCKING		= BIT(15),
499500 	/* disallow DMA */
500
-	IDE_DFLAG_NODMA			= (1 << 16),
501
+	IDE_DFLAG_NODMA			= BIT(16),
501502 	/* powermanagement told us not to do anything, so sleep nicely */
502
-	IDE_DFLAG_BLOCKED		= (1 << 17),
503
+	IDE_DFLAG_BLOCKED		= BIT(17),
503504 	/* sleeping & sleep field valid */
504
-	IDE_DFLAG_SLEEPING		= (1 << 18),
505
-	IDE_DFLAG_POST_RESET		= (1 << 19),
506
-	IDE_DFLAG_UDMA33_WARNED		= (1 << 20),
507
-	IDE_DFLAG_LBA48			= (1 << 21),
505
+	IDE_DFLAG_SLEEPING		= BIT(18),
506
+	IDE_DFLAG_POST_RESET		= BIT(19),
507
+	IDE_DFLAG_UDMA33_WARNED		= BIT(20),
508
+	IDE_DFLAG_LBA48			= BIT(21),
508509 	/* status of write cache */
509
-	IDE_DFLAG_WCACHE		= (1 << 22),
510
+	IDE_DFLAG_WCACHE		= BIT(22),
510511 	/* used for ignoring ATA_DF */
511
-	IDE_DFLAG_NOWERR		= (1 << 23),
512
+	IDE_DFLAG_NOWERR		= BIT(23),
512513 	/* retrying in PIO */
513
-	IDE_DFLAG_DMA_PIO_RETRY		= (1 << 24),
514
-	IDE_DFLAG_LBA			= (1 << 25),
514
+	IDE_DFLAG_DMA_PIO_RETRY		= BIT(24),
515
+	IDE_DFLAG_LBA			= BIT(25),
515516 	/* don't unload heads */
516
-	IDE_DFLAG_NO_UNLOAD		= (1 << 26),
517
+	IDE_DFLAG_NO_UNLOAD		= BIT(26),
517518 	/* heads unloaded, please don't reset port */
518
-	IDE_DFLAG_PARKED		= (1 << 27),
519
-	IDE_DFLAG_MEDIA_CHANGED		= (1 << 28),
519
+	IDE_DFLAG_PARKED		= BIT(27),
520
+	IDE_DFLAG_MEDIA_CHANGED		= BIT(28),
520521 	/* write protect */
521
-	IDE_DFLAG_WP			= (1 << 29),
522
-	IDE_DFLAG_FORMAT_IN_PROGRESS	= (1 << 30),
523
-	IDE_DFLAG_NIEN_QUIRK		= (1 << 31),
522
+	IDE_DFLAG_WP			= BIT(29),
523
+	IDE_DFLAG_FORMAT_IN_PROGRESS	= BIT(30),
524
+	IDE_DFLAG_NIEN_QUIRK		= BIT(31),
524525 };
525526 
526527 struct ide_drive_s {
....@@ -528,6 +529,10 @@
528529         char            driver_req[10];	/* requests specific driver */
529530 
530531 	struct request_queue	*queue;	/* request queue */
532
+
533
+	bool (*prep_rq)(struct ide_drive_s *, struct request *);
534
+
535
+	struct blk_mq_tag_set	tag_set;
531536 
532537 	struct request		*rq;	/* current request */
533538 	void		*driver_data;	/* extra driver data */
....@@ -610,8 +615,13 @@
610615 
611616 	/* current sense rq and buffer */
612617 	bool sense_rq_armed;
618
+	bool sense_rq_active;
613619 	struct request *sense_rq;
614620 	struct request_sense sense_data;
621
+
622
+	/* async sense insertion */
623
+	struct work_struct rq_work;
624
+	struct list_head rq_list;
615625 };
616626 
617627 typedef struct ide_drive_s ide_drive_t;
....@@ -699,7 +709,7 @@
699709 };
700710 
701711 enum {
702
-	IDE_PFLAG_PROBING		= (1 << 0),
712
+	IDE_PFLAG_PROBING		= BIT(0),
703713 };
704714 
705715 struct ide_host;
....@@ -852,7 +862,7 @@
852862  * configurable drive settings
853863  */
854864 
855
-#define DS_SYNC	(1 << 0)
865
+#define DS_SYNC	BIT(0)
856866 
857867 struct ide_devset {
858868 	int		(*get)(ide_drive_t *);
....@@ -933,6 +943,10 @@
933943 ide_devset_set(_name, _field); \
934944 IDE_DEVSET(_name, DS_SYNC, get_##_name, set_##_name)
935945 
946
+#define ide_devset_ro_field(_name, _field) \
947
+ide_devset_get(_name, _field); \
948
+IDE_DEVSET(_name, 0, get_##_name, NULL)
949
+
936950 #define ide_devset_rw_flag(_name, _field) \
937951 ide_devset_get_flag(_name, _field); \
938952 ide_devset_set_flag(_name, _field); \
....@@ -990,15 +1004,15 @@
9901004 
9911005 enum {
9921006 	/* enter/exit functions */
993
-	IDE_DBG_FUNC =			(1 << 0),
1007
+	IDE_DBG_FUNC =			BIT(0),
9941008 	/* sense key/asc handling */
995
-	IDE_DBG_SENSE =			(1 << 1),
1009
+	IDE_DBG_SENSE =			BIT(1),
9961010 	/* packet commands handling */
997
-	IDE_DBG_PC =			(1 << 2),
1011
+	IDE_DBG_PC =			BIT(2),
9981012 	/* request handling */
999
-	IDE_DBG_RQ =			(1 << 3),
1013
+	IDE_DBG_RQ =			BIT(3),
10001014 	/* driver probing/setup */
1001
-	IDE_DBG_PROBE =			(1 << 4),
1015
+	IDE_DBG_PROBE =			BIT(4),
10021016 };
10031017 
10041018 /* DRV_NAME has to be defined in the driver before using the macro below */
....@@ -1089,6 +1103,7 @@
10891103 
10901104 int ide_end_rq(ide_drive_t *, struct request *, blk_status_t, unsigned int);
10911105 void ide_kill_rq(ide_drive_t *, struct request *);
1106
+void ide_insert_request_head(ide_drive_t *, struct request *);
10921107 
10931108 void __ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
10941109 void ide_set_handler(ide_drive_t *, ide_handler_t *, unsigned int);
....@@ -1160,10 +1175,10 @@
11601175  * the tail of our block device request queue and wait for their completion.
11611176  */
11621177 enum {
1163
-	REQ_IDETAPE_PC1		= (1 << 0), /* packet command (first stage) */
1164
-	REQ_IDETAPE_PC2		= (1 << 1), /* packet command (second stage) */
1165
-	REQ_IDETAPE_READ	= (1 << 2),
1166
-	REQ_IDETAPE_WRITE	= (1 << 3),
1178
+	REQ_IDETAPE_PC1		= BIT(0), /* packet command (first stage) */
1179
+	REQ_IDETAPE_PC2		= BIT(1), /* packet command (second stage) */
1180
+	REQ_IDETAPE_READ	= BIT(2),
1181
+	REQ_IDETAPE_WRITE	= BIT(3),
11671182 };
11681183 
11691184 int ide_queue_pc_tail(ide_drive_t *, struct gendisk *, struct ide_atapi_pc *,
....@@ -1208,7 +1223,8 @@
12081223 
12091224 extern void ide_timer_expiry(struct timer_list *t);
12101225 extern irqreturn_t ide_intr(int irq, void *dev_id);
1211
-extern void do_ide_request(struct request_queue *);
1226
+extern blk_status_t ide_queue_rq(struct blk_mq_hw_ctx *, const struct blk_mq_queue_data *);
1227
+extern blk_status_t ide_issue_rq(ide_drive_t *, struct request *, bool);
12121228 extern void ide_requeue_and_plug(ide_drive_t *drive, struct request *rq);
12131229 
12141230 void ide_init_disk(struct gendisk *, ide_drive_t *);
....@@ -1252,71 +1268,71 @@
12521268 
12531269 enum {
12541270 	/* Uses ISA control ports not PCI ones. */
1255
-	IDE_HFLAG_ISA_PORTS		= (1 << 0),
1271
+	IDE_HFLAG_ISA_PORTS		= BIT(0),
12561272 	/* single port device */
1257
-	IDE_HFLAG_SINGLE		= (1 << 1),
1273
+	IDE_HFLAG_SINGLE		= BIT(1),
12581274 	/* don't use legacy PIO blacklist */
1259
-	IDE_HFLAG_PIO_NO_BLACKLIST	= (1 << 2),
1275
+	IDE_HFLAG_PIO_NO_BLACKLIST	= BIT(2),
12601276 	/* set for the second port of QD65xx */
1261
-	IDE_HFLAG_QD_2ND_PORT		= (1 << 3),
1277
+	IDE_HFLAG_QD_2ND_PORT		= BIT(3),
12621278 	/* use PIO8/9 for prefetch off/on */
1263
-	IDE_HFLAG_ABUSE_PREFETCH	= (1 << 4),
1279
+	IDE_HFLAG_ABUSE_PREFETCH	= BIT(4),
12641280 	/* use PIO6/7 for fast-devsel off/on */
1265
-	IDE_HFLAG_ABUSE_FAST_DEVSEL	= (1 << 5),
1281
+	IDE_HFLAG_ABUSE_FAST_DEVSEL	= BIT(5),
12661282 	/* use 100-102 and 200-202 PIO values to set DMA modes */
1267
-	IDE_HFLAG_ABUSE_DMA_MODES	= (1 << 6),
1283
+	IDE_HFLAG_ABUSE_DMA_MODES	= BIT(6),
12681284 	/*
12691285 	 * keep DMA setting when programming PIO mode, may be used only
12701286 	 * for hosts which have separate PIO and DMA timings (ie. PMAC)
12711287 	 */
1272
-	IDE_HFLAG_SET_PIO_MODE_KEEP_DMA	= (1 << 7),
1288
+	IDE_HFLAG_SET_PIO_MODE_KEEP_DMA	= BIT(7),
12731289 	/* program host for the transfer mode after programming device */
1274
-	IDE_HFLAG_POST_SET_MODE		= (1 << 8),
1290
+	IDE_HFLAG_POST_SET_MODE		= BIT(8),
12751291 	/* don't program host/device for the transfer mode ("smart" hosts) */
1276
-	IDE_HFLAG_NO_SET_MODE		= (1 << 9),
1292
+	IDE_HFLAG_NO_SET_MODE		= BIT(9),
12771293 	/* trust BIOS for programming chipset/device for DMA */
1278
-	IDE_HFLAG_TRUST_BIOS_FOR_DMA	= (1 << 10),
1294
+	IDE_HFLAG_TRUST_BIOS_FOR_DMA	= BIT(10),
12791295 	/* host is CS5510/CS5520 */
1280
-	IDE_HFLAG_CS5520		= (1 << 11),
1296
+	IDE_HFLAG_CS5520		= BIT(11),
12811297 	/* ATAPI DMA is unsupported */
1282
-	IDE_HFLAG_NO_ATAPI_DMA		= (1 << 12),
1298
+	IDE_HFLAG_NO_ATAPI_DMA		= BIT(12),
12831299 	/* set if host is a "non-bootable" controller */
1284
-	IDE_HFLAG_NON_BOOTABLE		= (1 << 13),
1300
+	IDE_HFLAG_NON_BOOTABLE		= BIT(13),
12851301 	/* host doesn't support DMA */
1286
-	IDE_HFLAG_NO_DMA		= (1 << 14),
1302
+	IDE_HFLAG_NO_DMA		= BIT(14),
12871303 	/* check if host is PCI IDE device before allowing DMA */
1288
-	IDE_HFLAG_NO_AUTODMA		= (1 << 15),
1304
+	IDE_HFLAG_NO_AUTODMA		= BIT(15),
12891305 	/* host uses MMIO */
1290
-	IDE_HFLAG_MMIO			= (1 << 16),
1306
+	IDE_HFLAG_MMIO			= BIT(16),
12911307 	/* no LBA48 */
1292
-	IDE_HFLAG_NO_LBA48		= (1 << 17),
1308
+	IDE_HFLAG_NO_LBA48		= BIT(17),
12931309 	/* no LBA48 DMA */
1294
-	IDE_HFLAG_NO_LBA48_DMA		= (1 << 18),
1310
+	IDE_HFLAG_NO_LBA48_DMA		= BIT(18),
12951311 	/* data FIFO is cleared by an error */
1296
-	IDE_HFLAG_ERROR_STOPS_FIFO	= (1 << 19),
1312
+	IDE_HFLAG_ERROR_STOPS_FIFO	= BIT(19),
12971313 	/* serialize ports */
1298
-	IDE_HFLAG_SERIALIZE		= (1 << 20),
1314
+	IDE_HFLAG_SERIALIZE		= BIT(20),
12991315 	/* host is DTC2278 */
1300
-	IDE_HFLAG_DTC2278		= (1 << 21),
1316
+	IDE_HFLAG_DTC2278		= BIT(21),
13011317 	/* 4 devices on a single set of I/O ports */
1302
-	IDE_HFLAG_4DRIVES		= (1 << 22),
1318
+	IDE_HFLAG_4DRIVES		= BIT(22),
13031319 	/* host is TRM290 */
1304
-	IDE_HFLAG_TRM290		= (1 << 23),
1320
+	IDE_HFLAG_TRM290		= BIT(23),
13051321 	/* use 32-bit I/O ops */
1306
-	IDE_HFLAG_IO_32BIT		= (1 << 24),
1322
+	IDE_HFLAG_IO_32BIT		= BIT(24),
13071323 	/* unmask IRQs */
1308
-	IDE_HFLAG_UNMASK_IRQS		= (1 << 25),
1309
-	IDE_HFLAG_BROKEN_ALTSTATUS	= (1 << 26),
1324
+	IDE_HFLAG_UNMASK_IRQS		= BIT(25),
1325
+	IDE_HFLAG_BROKEN_ALTSTATUS	= BIT(26),
13101326 	/* serialize ports if DMA is possible (for sl82c105) */
1311
-	IDE_HFLAG_SERIALIZE_DMA		= (1 << 27),
1327
+	IDE_HFLAG_SERIALIZE_DMA		= BIT(27),
13121328 	/* force host out of "simplex" mode */
1313
-	IDE_HFLAG_CLEAR_SIMPLEX		= (1 << 28),
1329
+	IDE_HFLAG_CLEAR_SIMPLEX		= BIT(28),
13141330 	/* DSC overlap is unsupported */
1315
-	IDE_HFLAG_NO_DSC		= (1 << 29),
1331
+	IDE_HFLAG_NO_DSC		= BIT(29),
13161332 	/* never use 32-bit I/O ops */
1317
-	IDE_HFLAG_NO_IO_32BIT		= (1 << 30),
1333
+	IDE_HFLAG_NO_IO_32BIT		= BIT(30),
13181334 	/* never unmask IRQs */
1319
-	IDE_HFLAG_NO_UNMASK_IRQS	= (1 << 31),
1335
+	IDE_HFLAG_NO_UNMASK_IRQS	= BIT(31),
13201336 };
13211337 
13221338 #ifdef CONFIG_BLK_DEV_OFFBOARD
....@@ -1524,16 +1540,16 @@
15241540 };
15251541 
15261542 enum {
1527
-	IDE_TIMING_SETUP	= (1 << 0),
1528
-	IDE_TIMING_ACT8B	= (1 << 1),
1529
-	IDE_TIMING_REC8B	= (1 << 2),
1530
-	IDE_TIMING_CYC8B	= (1 << 3),
1543
+	IDE_TIMING_SETUP	= BIT(0),
1544
+	IDE_TIMING_ACT8B	= BIT(1),
1545
+	IDE_TIMING_REC8B	= BIT(2),
1546
+	IDE_TIMING_CYC8B	= BIT(3),
15311547 	IDE_TIMING_8BIT		= IDE_TIMING_ACT8B | IDE_TIMING_REC8B |
15321548 				  IDE_TIMING_CYC8B,
1533
-	IDE_TIMING_ACTIVE	= (1 << 4),
1534
-	IDE_TIMING_RECOVER	= (1 << 5),
1535
-	IDE_TIMING_CYCLE	= (1 << 6),
1536
-	IDE_TIMING_UDMA		= (1 << 7),
1549
+	IDE_TIMING_ACTIVE	= BIT(4),
1550
+	IDE_TIMING_RECOVER	= BIT(5),
1551
+	IDE_TIMING_CYCLE	= BIT(6),
1552
+	IDE_TIMING_UDMA		= BIT(7),
15371553 	IDE_TIMING_ALL		= IDE_TIMING_SETUP | IDE_TIMING_8BIT |
15381554 				  IDE_TIMING_ACTIVE | IDE_TIMING_RECOVER |
15391555 				  IDE_TIMING_CYCLE | IDE_TIMING_UDMA,