[PATCH] remove IDE packet taskfile placeholders

This dead code was introduced in kernel 2.4.19 and hasn't been updated
since.

drivers/ide/ide-taskfile.c

@@ -2208,28 +2208,3 @@ ide_startstop_t flagged_task_mulout_intr (ide_drive_t *drive)
 
 	return ide_started;
 }
-
-/*
- * Beginning of Taskfile OPCODE Library and feature sets.
- */
-
-#ifdef CONFIG_PKT_TASK_IOCTL
-
-int pkt_taskfile_ioctl (ide_drive_t *drive, unsigned int cmd, unsigned long arg)
-{
-#if 0
-	switch(req_task->data_phase) {
-		case TASKFILE_P_OUT_DMAQ:
-		case TASKFILE_P_IN_DMAQ:
-		case TASKFILE_P_OUT_DMA:
-		case TASKFILE_P_IN_DMA:
-		case TASKFILE_P_OUT:
-		case TASKFILE_P_IN:
-	}
-#endif
-	return -ENOMSG;
-}
-
-EXPORT_SYMBOL(pkt_taskfile_ioctl);
-
-#endif /* CONFIG_PKT_TASK_IOCTL */

drivers/ide/ide.c

@@ -1620,12 +1620,6 @@ int generic_ide_ioctl(struct block_device *bdev, unsigned int cmd,
 			switch(drive->media) {
 				case ide_disk:
 					return ide_taskfile_ioctl(drive, cmd, arg);
-#ifdef CONFIG_PKT_TASK_IOCTL
-				case ide_cdrom:
-				case ide_tape:
-				case ide_floppy:
-					return pkt_taskfile_ioctl(drive, cmd, arg);
-#endif /* CONFIG_PKT_TASK_IOCTL */
 				default:
 					return -ENOMSG;
 			}

include/linux/ide.h

@@ -1513,64 +1513,6 @@ int ide_taskfile_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_cmd_ioctl(ide_drive_t *, unsigned int, unsigned long);
 int ide_task_ioctl(ide_drive_t *, unsigned int, unsigned long);
 
-#if 0
-
-#define IDEFLOPPY_PC_BUFFER_SIZE        256
-#define IDETAPE_PC_BUFFER_SIZE          256
-#define IDE_PC_BUFFER_SIZE          256
-
-typedef struct ide_packet_command_s {
-		/* Actual packet bytes */
-	u8 c[12];
-		/* On each retry, we increment retries */
-	int retries;
-		/* Error code */
-	int error;
-		/* Bytes to transfer */
-	int request_transfer;
-		/* Bytes actually transferred */
-	int actually_transferred;
-		/* Size of our data buffer */
-	int buffer_size;
-
-	struct buffer_head *bh;
-	u8 *b_data;
-		/* The corresponding request */
-	struct request *rq;
-# if 0
-		/* Scatter gather table */
-	struct scatterlist *sg;
-# endif
-	int b_count;
-		/* Data buffer */
-	u8 *buffer;
-		/* Pointer into the above buffer */
-	u8 *current_position;
-		/* Called when this packet command is completed */
-	ide_startstop_t (*callback) (ide_drive_t *);
-		/* Temporary buffer */
-	u8 pc_buffer[IDE_PC_BUFFER_SIZE];
-		/* Status/Action bit flags: long for set_bit */
-	unsigned long flags;
-} ide_pc_t;
-
-ide-cd orthoginal :-/
-struct packet_command {
-        char *buffer;
-        int buflen;
-        int stat;
-        int quiet;
-        int timeout;
-        struct request_sense *sense;
-        unsigned char c[12];
-};
-
-#endif
-
-#ifdef CONFIG_PKT_TASK_IOCTL
-extern int pkt_taskfile_ioctl(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
-#endif /* CONFIG_PKT_TASK_IOCTL */
-
 extern void ide_delay_50ms(void);
 extern int system_bus_clock(void);