X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fide%2Fide-lib.c;h=9b44fbdfe41fc503d085b6a0f08c1d3a9775d8fe;hb=444ad82bc3eaa554be40d22dc248e58aeefd54d9;hp=6b2e810cb9e099382bf27ea1d75c82a78cf99ece;hpb=a501633c7d44087e806597d3a213d735346edd51;p=linux-2.6

diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index 6b2e810cb9..9b44fbdfe4 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -441,6 +441,12 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
 	 * case could happen iff the transfer mode has already been set on
 	 * the device by ide-proc.c::set_xfer_rate()).
 	 */
+	if (rate < XFER_PIO_0) {
+		if (hwif->host_flags & IDE_HFLAG_ABUSE_SET_DMA_MODE)
+			return ide_set_dma_mode(drive, rate);
+		else
+			return ide_config_drive_speed(drive, rate);
+	}
 
 	return ide_set_dma_mode(drive, rate);
 }
@@ -448,8 +454,7 @@ int ide_set_xfer_rate(ide_drive_t *drive, u8 rate)
 static void ide_dump_opcode(ide_drive_t *drive)
 {
 	struct request *rq;
-	u8 opcode = 0;
-	int found = 0;
+	ide_task_t *task = NULL;
 
 	spin_lock(&ide_lock);
 	rq = NULL;
@@ -458,25 +463,15 @@ static void ide_dump_opcode(ide_drive_t *drive)
 	spin_unlock(&ide_lock);
 	if (!rq)
 		return;
-	if (rq->cmd_type == REQ_TYPE_ATA_CMD) {
-		char *args = rq->buffer;
-		if (args) {
-			opcode = args[0];
-			found = 1;
-		}
-	} else if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) {
-		ide_task_t *args = rq->special;
-		if (args) {
-			opcode = args->tf.command;
-			found = 1;
-		}
-	}
+
+	if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE)
+		task = rq->special;
 
 	printk("ide: failed opcode was: ");
-	if (!found)
-		printk("unknown\n");
+	if (task == NULL)
+		printk(KERN_CONT "unknown\n");
 	else
-		printk("0x%02x\n", opcode);
+		printk(KERN_CONT "0x%02x\n", task->tf.command);
 }
 
 u64 ide_get_lba_addr(struct ide_taskfile *tf, int lba48)
@@ -517,61 +512,51 @@ static void ide_dump_sector(ide_drive_t *drive)
 					 tf->device & 0xf, tf->lbal);
 }
 
-static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
+static void ide_dump_ata_error(ide_drive_t *drive, u8 err)
 {
-	ide_hwif_t *hwif = HWIF(drive);
-	unsigned long flags;
-	u8 err = 0;
-
-	local_irq_save(flags);
-	printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
-	if (stat & BUSY_STAT)
-		printk("Busy ");
-	else {
-		if (stat & READY_STAT)	printk("DriveReady ");
-		if (stat & WRERR_STAT)	printk("DeviceFault ");
-		if (stat & SEEK_STAT)	printk("SeekComplete ");
-		if (stat & DRQ_STAT)	printk("DataRequest ");
-		if (stat & ECC_STAT)	printk("CorrectedError ");
-		if (stat & INDEX_STAT)	printk("Index ");
-		if (stat & ERR_STAT)	printk("Error ");
+	printk("{ ");
+	if (err & ABRT_ERR)	printk("DriveStatusError ");
+	if (err & ICRC_ERR)
+		printk((err & ABRT_ERR) ? "BadCRC " : "BadSector ");
+	if (err & ECC_ERR)	printk("UncorrectableError ");
+	if (err & ID_ERR)	printk("SectorIdNotFound ");
+	if (err & TRK0_ERR)	printk("TrackZeroNotFound ");
+	if (err & MARK_ERR)	printk("AddrMarkNotFound ");
+	printk("}");
+	if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR ||
+	    (err & (ECC_ERR|ID_ERR|MARK_ERR))) {
+		ide_dump_sector(drive);
+		if (HWGROUP(drive) && HWGROUP(drive)->rq)
+			printk(", sector=%llu",
+			       (unsigned long long)HWGROUP(drive)->rq->sector);
 	}
+	printk("\n");
+}
+
+static void ide_dump_atapi_error(ide_drive_t *drive, u8 err)
+{
+	printk("{ ");
+	if (err & ILI_ERR)	printk("IllegalLengthIndication ");
+	if (err & EOM_ERR)	printk("EndOfMedia ");
+	if (err & ABRT_ERR)	printk("AbortedCommand ");
+	if (err & MCR_ERR)	printk("MediaChangeRequested ");
+	if (err & LFS_ERR)	printk("LastFailedSense=0x%02x ",
+				       (err & LFS_ERR) >> 4);
 	printk("}\n");
-	if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
-		err = hwif->INB(IDE_ERROR_REG);
-		printk("%s: %s: error=0x%02x { ", drive->name, msg, err);
-		if (err & ABRT_ERR)	printk("DriveStatusError ");
-		if (err & ICRC_ERR)
-			printk((err & ABRT_ERR) ? "BadCRC " : "BadSector ");
-		if (err & ECC_ERR)	printk("UncorrectableError ");
-		if (err & ID_ERR)	printk("SectorIdNotFound ");
-		if (err & TRK0_ERR)	printk("TrackZeroNotFound ");
-		if (err & MARK_ERR)	printk("AddrMarkNotFound ");
-		printk("}");
-		if ((err & (BBD_ERR | ABRT_ERR)) == BBD_ERR ||
-		    (err & (ECC_ERR|ID_ERR|MARK_ERR))) {
-			ide_dump_sector(drive);
-			if (HWGROUP(drive) && HWGROUP(drive)->rq)
-				printk(", sector=%llu",
-					(unsigned long long)HWGROUP(drive)->rq->sector);
-		}
-		printk("\n");
-	}
-	ide_dump_opcode(drive);
-	local_irq_restore(flags);
-	return err;
 }
 
 /**
- *	ide_dump_atapi_status       -       print human readable atapi status
+ *	ide_dump_status		-	translate ATA/ATAPI error
  *	@drive: drive that status applies to
  *	@msg: text message to print
  *	@stat: status byte to decode
  *
  *	Error reporting, in human readable form (luxurious, but a memory hog).
+ *	Combines the drive name, message and status byte to provide a
+ *	user understandable explanation of the device error.
  */
 
-static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
+u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
 {
 	unsigned long flags;
 	u8 err = 0;
@@ -592,36 +577,15 @@ static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
 	printk("}\n");
 	if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
 		err = drive->hwif->INB(IDE_ERROR_REG);
-		printk("%s: %s: error=0x%02x { ", drive->name, msg, err);
-		if (err & ILI_ERR)	printk("IllegalLengthIndication ");
-		if (err & EOM_ERR)	printk("EndOfMedia ");
-		if (err & ABRT_ERR)	printk("AbortedCommand ");
-		if (err & MCR_ERR)	printk("MediaChangeRequested ");
-		if (err & LFS_ERR)	printk("LastFailedSense=0x%02x ",
-						(err & LFS_ERR) >> 4);
-		printk("}\n");
+		printk("%s: %s: error=0x%02x ", drive->name, msg, err);
+		if (drive->media == ide_disk)
+			ide_dump_ata_error(drive, err);
+		else
+			ide_dump_atapi_error(drive, err);
 	}
 	ide_dump_opcode(drive);
 	local_irq_restore(flags);
 	return err;
 }
 
-/**
- *	ide_dump_status		-	translate ATA/ATAPI error
- *	@drive: drive the error occured on
- *	@msg: information string
- *	@stat: status byte
- *
- *	Error reporting, in human readable form (luxurious, but a memory hog).
- *	Combines the drive name, message and status byte to provide a
- *	user understandable explanation of the device error.
- */
-
-u8 ide_dump_status(ide_drive_t *drive, const char *msg, u8 stat)
-{
-	if (drive->media == ide_disk)
-		return ide_dump_ata_status(drive, msg, stat);
-	return ide_dump_atapi_status(drive, msg, stat);
-}
-
 EXPORT_SYMBOL(ide_dump_status);