IDE update

index 66f8262..444a0b8 100644
@@ -448,23 +448,21 @@ static int icside_dma_test_irq(ide_drive_t *drive)
 			ICS_ARCIN_V6_INTRSTAT_1)) & 1;
 }
 
-static int icside_dma_timeout(ide_drive_t *drive)
+static void icside_dma_timeout(ide_drive_t *drive)
 {
 	printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
 
 	if (icside_dma_test_irq(drive))
-		return 0;
+		return;
 
-	ide_dump_status(drive, "DMA timeout",
-		HWIF(drive)->INB(IDE_STATUS_REG));
+	ide_dump_status(drive, "DMA timeout", HWIF(drive)->INB(IDE_STATUS_REG));
 
-	return icside_dma_end(drive);
+	icside_dma_end(drive);
 }
 
-static int icside_dma_lostirq(ide_drive_t *drive)
+static void icside_dma_lost_irq(ide_drive_t *drive)
 {
 	printk(KERN_ERR "%s: IRQ lost\n", drive->name);
-	return 1;
 }
 
 static void icside_dma_init(ide_hwif_t *hwif)

@@ -490,8 +488,8 @@ static void icside_dma_init(ide_hwif_t *hwif)
 	hwif->dma_start		= icside_dma_start;
 	hwif->ide_dma_end	= icside_dma_end;
 	hwif->ide_dma_test_irq	= icside_dma_test_irq;
-	hwif->ide_dma_timeout	= icside_dma_timeout;
-	hwif->ide_dma_lostirq	= icside_dma_lostirq;
+	hwif->dma_timeout	= icside_dma_timeout;
+	hwif->dma_lost_irq	= icside_dma_lost_irq;
 
 	hwif->drives[0].autodma = hwif->autodma;
 	hwif->drives[1].autodma = hwif->autodma;

index ca0341c..886091b 100644
@@ -819,7 +819,7 @@ init_e100_ide (void)
 		hwif->dma_host_off = &cris_dma_off;
 		hwif->dma_host_on = &cris_dma_on;
 		hwif->dma_off_quietly = &cris_dma_off;
-		hwif->udma_four = 0;
+		hwif->cbl = ATA_CBL_PATA40;
 		hwif->ultra_mask = cris_ultra_mask;
 		hwif->mwdma_mask = 0x07; /* Multiword DMA 0-2 */
 		hwif->autodma = 1;

index 252ab82..1486eb2 100644
@@ -481,7 +481,7 @@ void cdrom_analyze_sense_data(ide_drive_t *drive,
 		else
 			printk("  Unknown Error Type: ");
 
-		if (sense->sense_key < ARY_LEN(sense_key_texts))
+		if (sense->sense_key < ARRAY_SIZE(sense_key_texts))
 			s = sense_key_texts[sense->sense_key];
 
 		printk("%s -- (Sense key=0x%02x)\n", s, sense->sense_key);

@@ -491,7 +491,7 @@ void cdrom_analyze_sense_data(ide_drive_t *drive,
 				 sense->ascq);
 			s = buf;
 		} else {
-			int lo = 0, mid, hi = ARY_LEN(sense_data_texts);
+			int lo = 0, mid, hi = ARRAY_SIZE(sense_data_texts);
 			unsigned long key = (sense->sense_key << 16);
 			key |= (sense->asc << 8);
 			if (!(sense->ascq >= 0x80 && sense->ascq <= 0xdd))

@@ -524,7 +524,7 @@ void cdrom_analyze_sense_data(ide_drive_t *drive,
 
 		if (failed_command != NULL) {
 
-			int lo=0, mid, hi= ARY_LEN (packet_command_texts);
+			int lo=0, mid, hi= ARRAY_SIZE(packet_command_texts);
 			s = NULL;
 
 			while (hi > lo) {

index ad1f2ed..228b29c 100644
@@ -498,8 +498,6 @@ struct cdrom_info {
  * Descriptions of ATAPI error codes.
  */
 
-#define ARY_LEN(a) ((sizeof(a) / sizeof(a[0])))
-
 /* This stuff should be in cdrom.h, since it is now generic... */
 
 /* ATAPI sense keys (from table 140 of ATAPI 2.6) */

index dc2175c..b1304a7 100644
@@ -1190,11 +1190,11 @@ static int idedisk_ioctl(struct inode *inode, struct file *file,
 	return generic_ide_ioctl(drive, file, bdev, cmd, arg);
 
 read_val:
-	down(&ide_setting_sem);
+	mutex_lock(&ide_setting_mtx);
 	spin_lock_irqsave(&ide_lock, flags);
 	err = *val;
 	spin_unlock_irqrestore(&ide_lock, flags);
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 	return err >= 0 ? put_user(err, (long __user *)arg) : err;
 
 set_val:

@@ -1204,9 +1204,9 @@ set_val:
 		if (!capable(CAP_SYS_ADMIN))
 			err = -EACCES;
 		else {
-			down(&ide_setting_sem);
+			mutex_lock(&ide_setting_mtx);
 			err = setfunc(drive, arg);
-			up(&ide_setting_sem);
+			mutex_unlock(&ide_setting_mtx);
 		}
 	}
 	return err;

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index bfe8f1b..c5b5011 100644
@@ -1350,7 +1350,7 @@ static ide_startstop_t ide_dma_timeout_retry(ide_drive_t *drive, int error)
 						hwif->INB(IDE_STATUS_REG));
 	} else {
 		printk(KERN_WARNING "%s: DMA timeout retry\n", drive->name);
-		(void) hwif->ide_dma_timeout(drive);
+		hwif->dma_timeout(drive);
 	}
 
 	/*

@@ -1466,7 +1466,7 @@ void ide_timer_expiry (unsigned long data)
 				startstop = handler(drive);
 			} else if (drive_is_ready(drive)) {
 				if (drive->waiting_for_dma)
-					(void) hwgroup->hwif->ide_dma_lostirq(drive);
+					hwgroup->hwif->dma_lost_irq(drive);
 				(void)ide_ack_intr(hwif);
 				printk(KERN_WARNING "%s: lost interrupt\n", drive->name);
 				startstop = handler(drive);

index f0be5f6..92578b6 100644
@@ -574,7 +574,10 @@ u8 eighty_ninty_three (ide_drive_t *drive)
 	ide_hwif_t *hwif = drive->hwif;
 	struct hd_driveid *id = drive->id;
 
-	if (hwif->udma_four == 0)
+	if (hwif->cbl == ATA_CBL_PATA40_SHORT)
+		return 1;
+
+	if (hwif->cbl != ATA_CBL_PATA80)
 		goto no_80w;
 
 	/* Check for SATA but only if we are ATA5 or higher */

@@ -600,7 +603,8 @@ no_80w:
 
 	printk(KERN_WARNING "%s: %s side 80-wire cable detection failed, "
 			    "limiting max speed to UDMA33\n",
-			    drive->name, hwif->udma_four ? "drive" : "host");
+			    drive->name,
+			    hwif->cbl == ATA_CBL_PATA80 ? "drive" : "host");
 
 	drive->udma33_warned = 1;
 

index f5ce22c..cc58013 100644
@@ -144,7 +144,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
 	local_irq_enable();
 	ide_fix_driveid(id);
 
-#if defined (CONFIG_SCSI_EATA_DMA) || defined (CONFIG_SCSI_EATA_PIO) || defined (CONFIG_SCSI_EATA)
+#if defined (CONFIG_SCSI_EATA_PIO) || defined (CONFIG_SCSI_EATA)
 	/*
 	 * EATA SCSI controllers do a hardware ATA emulation:
 	 * Ignore them if there is a driver for them available.

@@ -154,7 +154,7 @@ static inline void do_identify (ide_drive_t *drive, u8 cmd)
 		printk("%s: EATA SCSI HBA %.10s\n", drive->name, id->model);
 		goto err_misc;
 	}
-#endif /* CONFIG_SCSI_EATA_DMA || CONFIG_SCSI_EATA_PIO */
+#endif /* CONFIG_SCSI_EATA || CONFIG_SCSI_EATA_PIO */
 
 	/*
 	 *  WIN_IDENTIFY returns little-endian info,

@@ -1025,7 +1025,7 @@ static int init_irq (ide_hwif_t *hwif)
 	BUG_ON(irqs_disabled());	
 	BUG_ON(hwif == NULL);
 
-	down(&ide_cfg_sem);
+	mutex_lock(&ide_cfg_mtx);
 	hwif->hwgroup = NULL;
 #if MAX_HWIFS > 1
 	/*

@@ -1154,7 +1154,7 @@ static int init_irq (ide_hwif_t *hwif)
 		printk(" (%sed with %s)",
 			hwif->sharing_irq ? "shar" : "serializ", match->name);
 	printk("\n");
-	up(&ide_cfg_sem);
+	mutex_unlock(&ide_cfg_mtx);
 	return 0;
 out_unlink:
 	spin_lock_irq(&ide_lock);

@@ -1177,7 +1177,7 @@ out_unlink:
 	}
 	spin_unlock_irq(&ide_lock);
 out_up:
-	up(&ide_cfg_sem);
+	mutex_unlock(&ide_cfg_mtx);
 	return 1;
 }
 

index ea94c9a..fc1d8ae 100644
@@ -156,7 +156,7 @@ static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int d
 {
 	ide_settings_t **p = (ide_settings_t **) &drive->settings, *setting = NULL;
 
-	down(&ide_setting_sem);
+	mutex_lock(&ide_setting_mtx);
 	while ((*p) && strcmp((*p)->name, name) < 0)
 		p = &((*p)->next);
 	if ((setting = kzalloc(sizeof(*setting), GFP_KERNEL)) == NULL)

@@ -177,10 +177,10 @@ static int __ide_add_setting(ide_drive_t *drive, const char *name, int rw, int d
 	if (auto_remove)
 		setting->auto_remove = 1;
 	*p = setting;
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 	return 0;
 abort:
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 	kfree(setting);
 	return -1;
 }

@@ -224,7 +224,7 @@ static void __ide_remove_setting (ide_drive_t *drive, char *name)
  *
  *	Automatically remove all the driver specific settings for this
  *	drive. This function may not be called from IRQ context. The
- *	caller must hold ide_setting_sem.
+ *	caller must hold ide_setting_mtx.
  */
 
 static void auto_remove_settings (ide_drive_t *drive)

@@ -269,7 +269,7 @@ static ide_settings_t *ide_find_setting_by_name(ide_drive_t *drive, char *name)
  *	@setting: drive setting
  *
  *	Read a drive setting and return the value. The caller
- *	must hold the ide_setting_sem when making this call.
+ *	must hold the ide_setting_mtx when making this call.
  *
  *	BUGS: the data return and error are the same return value
  *	so an error -EINVAL and true return of the same value cannot

@@ -306,7 +306,7 @@ static int ide_read_setting(ide_drive_t *drive, ide_settings_t *setting)
  *	@val: value
  *
  *	Write a drive setting if it is possible. The caller
- *	must hold the ide_setting_sem when making this call.
+ *	must hold the ide_setting_mtx when making this call.
  *
  *	BUGS: the data return and error are the same return value
  *	so an error -EINVAL and true return of the same value cannot

@@ -367,7 +367,7 @@ static int set_xfer_rate (ide_drive_t *drive, int arg)
  *	@drive: drive being configured
  *
  *	Add the generic parts of the system settings to the /proc files.
- *	The caller must not be holding the ide_setting_sem.
+ *	The caller must not be holding the ide_setting_mtx.
  */
 
 void ide_add_generic_settings (ide_drive_t *drive)

@@ -408,7 +408,7 @@ static int proc_ide_read_settings
 
 	proc_ide_settings_warn();
 
-	down(&ide_setting_sem);
+	mutex_lock(&ide_setting_mtx);
 	out += sprintf(out, "name\t\t\tvalue\t\tmin\t\tmax\t\tmode\n");
 	out += sprintf(out, "----\t\t\t-----\t\t---\t\t---\t\t----\n");
 	while(setting) {

@@ -428,7 +428,7 @@ static int proc_ide_read_settings
 		setting = setting->next;
 	}
 	len = out - page;
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 	PROC_IDE_READ_RETURN(page,start,off,count,eof,len);
 }
 

@@ -508,16 +508,16 @@ static int proc_ide_write_settings(struct file *file, const char __user *buffer,
 				++p;
 			}
 
-			down(&ide_setting_sem);
+			mutex_lock(&ide_setting_mtx);
 			setting = ide_find_setting_by_name(drive, name);
 			if (!setting)
 			{
-				up(&ide_setting_sem);
+				mutex_unlock(&ide_setting_mtx);
 				goto parse_error;
 			}
 			if (for_real)
 				ide_write_setting(drive, setting, val * setting->div_factor / setting->mul_factor);
-			up(&ide_setting_sem);
+			mutex_unlock(&ide_setting_mtx);
 		}
 	} while (!for_real++);
 	free_page((unsigned long)buf);

@@ -705,7 +705,7 @@ EXPORT_SYMBOL(ide_proc_register_driver);
  *	Clean up the driver specific /proc files and IDE settings
  *	for a given drive.
  *
- *	Takes ide_setting_sem and ide_lock.
+ *	Takes ide_setting_mtx and ide_lock.
  *	Caller must hold none of the locks.
  */
 

@@ -715,10 +715,10 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
 
 	ide_remove_proc_entries(drive->proc, driver->proc);
 
-	down(&ide_setting_sem);
+	mutex_lock(&ide_setting_mtx);
 	spin_lock_irqsave(&ide_lock, flags);
 	/*
-	 * ide_setting_sem protects the settings list
+	 * ide_setting_mtx protects the settings list
 	 * ide_lock protects the use of settings
 	 *
 	 * so we need to hold both, ide_settings_sem because we want to

@@ -726,11 +726,11 @@ void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *driver)
 	 * a setting out that is being used.
 	 *
 	 * OTOH both ide_{read,write}_setting are only ever used under
-	 * ide_setting_sem.
+	 * ide_setting_mtx.
 	 */
 	auto_remove_settings(drive);
 	spin_unlock_irqrestore(&ide_lock, flags);
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 }
 
 EXPORT_SYMBOL(ide_proc_unregister_driver);

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index 0cd76bf..c948a5c 100644
@@ -169,7 +169,7 @@ static const u8 ide_hwif_to_major[] = { IDE0_MAJOR, IDE1_MAJOR,
 static int idebus_parameter;	/* holds the "idebus=" parameter */
 static int system_bus_speed;	/* holds what we think is VESA/PCI bus speed */
 
-DECLARE_MUTEX(ide_cfg_sem);
+DEFINE_MUTEX(ide_cfg_mtx);
  __cacheline_aligned_in_smp DEFINE_SPINLOCK(ide_lock);
 
 #ifdef CONFIG_IDEPCI_PCIBUS_ORDER

@@ -460,6 +460,8 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
 	hwif->mwdma_mask		= tmp_hwif->mwdma_mask;
 	hwif->swdma_mask		= tmp_hwif->swdma_mask;
 
+	hwif->cbl			= tmp_hwif->cbl;
+
 	hwif->chipset			= tmp_hwif->chipset;
 	hwif->hold			= tmp_hwif->hold;
 

@@ -496,8 +498,8 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
 	hwif->ide_dma_clear_irq		= tmp_hwif->ide_dma_clear_irq;
 	hwif->dma_host_on		= tmp_hwif->dma_host_on;
 	hwif->dma_host_off		= tmp_hwif->dma_host_off;
-	hwif->ide_dma_lostirq		= tmp_hwif->ide_dma_lostirq;
-	hwif->ide_dma_timeout		= tmp_hwif->ide_dma_timeout;
+	hwif->dma_lost_irq		= tmp_hwif->dma_lost_irq;
+	hwif->dma_timeout		= tmp_hwif->dma_timeout;
 
 	hwif->OUTB			= tmp_hwif->OUTB;
 	hwif->OUTBSYNC			= tmp_hwif->OUTBSYNC;

@@ -533,7 +535,6 @@ static void ide_hwif_restore(ide_hwif_t *hwif, ide_hwif_t *tmp_hwif)
 	hwif->extra_base		= tmp_hwif->extra_base;
 	hwif->extra_ports		= tmp_hwif->extra_ports;
 	hwif->autodma			= tmp_hwif->autodma;
-	hwif->udma_four			= tmp_hwif->udma_four;
 
 	hwif->hwif_data			= tmp_hwif->hwif_data;
 }

@@ -564,7 +565,7 @@ void ide_unregister(unsigned int index)
 {
 	ide_drive_t *drive;
 	ide_hwif_t *hwif, *g;
-	static ide_hwif_t tmp_hwif; /* protected by ide_cfg_sem */
+	static ide_hwif_t tmp_hwif; /* protected by ide_cfg_mtx */
 	ide_hwgroup_t *hwgroup;
 	int irq_count = 0, unit;
 

@@ -572,7 +573,7 @@ void ide_unregister(unsigned int index)
 
 	BUG_ON(in_interrupt());
 	BUG_ON(irqs_disabled());
-	down(&ide_cfg_sem);
+	mutex_lock(&ide_cfg_mtx);
 	spin_lock_irq(&ide_lock);
 	hwif = &ide_hwifs[index];
 	if (!hwif->present)

@@ -679,7 +680,7 @@ void ide_unregister(unsigned int index)
 
 abort:
 	spin_unlock_irq(&ide_lock);
-	up(&ide_cfg_sem);
+	mutex_unlock(&ide_cfg_mtx);
 }
 
 EXPORT_SYMBOL(ide_unregister);

@@ -817,9 +818,9 @@ EXPORT_SYMBOL(ide_register_hw);
  *	Locks for IDE setting functionality
  */
 
-DECLARE_MUTEX(ide_setting_sem);
+DEFINE_MUTEX(ide_setting_mtx);
 
-EXPORT_SYMBOL_GPL(ide_setting_sem);
+EXPORT_SYMBOL_GPL(ide_setting_mtx);
 
 /**
  *	ide_spin_wait_hwgroup	-	wait for group

@@ -1192,11 +1193,11 @@ int generic_ide_ioctl(ide_drive_t *drive, struct file *file, struct block_device
 	}
 
 read_val:
-	down(&ide_setting_sem);
+	mutex_lock(&ide_setting_mtx);
 	spin_lock_irqsave(&ide_lock, flags);
 	err = *val;
 	spin_unlock_irqrestore(&ide_lock, flags);
-	up(&ide_setting_sem);
+	mutex_unlock(&ide_setting_mtx);
 	return err >= 0 ? put_user(err, (long __user *)arg) : err;
 
 set_val:

@@ -1206,9 +1207,9 @@ set_val:
 		if (!capable(CAP_SYS_ADMIN))
 			err = -EACCES;
 		else {
-			down(&ide_setting_sem);
+			mutex_lock(&ide_setting_mtx);
 			err = setfunc(drive, arg);
-			up(&ide_setting_sem);
+			mutex_unlock(&ide_setting_mtx);
 		}
 	}
 	return err;

@@ -1548,7 +1549,11 @@ static int __init ide_setup(char *s)
 				goto bad_option;
 			case -7: /* ata66 */
 #ifdef CONFIG_BLK_DEV_IDEPCI
-				hwif->udma_four = 1;
+				/*
+				 * Use ATA_CBL_PATA40_SHORT so drive side
+				 * cable detection is also overriden.
+				 */
+				hwif->cbl = ATA_CBL_PATA40_SHORT;
 				goto obsolete_option;
 #else
 				goto bad_hwif;

index 45ed035..661c12f 100644
@@ -130,7 +130,7 @@ struct hd_i_struct {
 	
 #ifdef HD_TYPE
 static struct hd_i_struct hd_info[] = { HD_TYPE };
-static int NR_HD = ((sizeof (hd_info))/(sizeof (struct hd_i_struct)));
+static int NR_HD = ARRAY_SIZE(hd_info);
 #else
 static struct hd_i_struct hd_info[MAX_HD];
 static int NR_HD;

index c211fc7..b557c45 100644
@@ -77,15 +77,6 @@ int macide_ack_intr(ide_hwif_t* hwif)
 	return 0;
 }
 
-#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY
-static void macide_mediabay_interrupt(int irq, void *dev_id)
-{
-	int state = baboon->mb_status & 0x04;
-
-	printk(KERN_INFO "macide: media bay %s detected\n", state? "removal":"insertion");
-}
-#endif
-
 /*
  * Probe for a Macintosh IDE interface
  */

@@ -128,11 +119,6 @@ void macide_init(void)
 			ide_drive_t *drive = &ide_hwifs[index].drives[0];
 			drive->capacity64 = drive->cyl*drive->head*drive->sect;
 
-#ifdef CONFIG_BLK_DEV_MAC_MEDIABAY
-			request_irq(IRQ_BABOON_2, macide_mediabay_interrupt,
-					IRQ_FLG_FAST, "mediabay",
-					macide_mediabay_interrupt);
-#endif
 		}
 		break;
 

index ca95e99..2e7013a 100644
@@ -381,9 +381,7 @@ static int auide_dma_setup(ide_drive_t *drive)
 
 static int auide_dma_check(ide_drive_t *drive)
 {
-	u8 speed;
-
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
+	u8 speed = ide_max_dma_mode(drive);
 
 	if( dbdma_init_done == 0 ){
 		auide_hwif.white_list = ide_in_drive_list(drive->id,

@@ -394,7 +392,6 @@ static int auide_dma_check(ide_drive_t *drive)
 		auide_ddma_init(&auide_hwif);
 		dbdma_init_done = 1;
 	}
-#endif
 
 	/* Is the drive in our DMA black list? */
 

@@ -409,8 +406,6 @@ static int auide_dma_check(ide_drive_t *drive)
 	else
 		drive->using_dma = 1;
 
-	speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA);
-	
 	if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
 		return 0;
 

@@ -456,10 +451,9 @@ static void auide_dma_off_quietly(ide_drive_t *drive)
 	drive->using_dma = 0;
 }
 
-static int auide_dma_lostirq(ide_drive_t *drive)
+static void auide_dma_lost_irq(ide_drive_t *drive)
 {
 	printk(KERN_ERR "%s: IRQ lost\n", drive->name);
-	return 0;
 }
 
 static void auide_ddma_tx_callback(int irq, void *param)

@@ -489,16 +483,16 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de
   
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
 
-static int auide_dma_timeout(ide_drive_t *drive)
+static void auide_dma_timeout(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
+	ide_hwif_t *hwif = HWIF(drive);
 
 	printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
 
-	if (HWIF(drive)->ide_dma_test_irq(drive))
-		return 0;
+	if (hwif->ide_dma_test_irq(drive))
+		return;
 
-	return HWIF(drive)->ide_dma_end(drive);
+	hwif->ide_dma_end(drive);
 }
 					
 

@@ -721,7 +715,7 @@ static int au_ide_probe(struct device *dev)
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 	hwif->dma_off_quietly		= &auide_dma_off_quietly;
-	hwif->ide_dma_timeout           = &auide_dma_timeout;
+	hwif->dma_timeout		= &auide_dma_timeout;
 
 	hwif->ide_dma_check             = &auide_dma_check;
 	hwif->dma_exec_cmd              = &auide_dma_exec_cmd;

@@ -731,7 +725,7 @@ static int au_ide_probe(struct device *dev)
 	hwif->ide_dma_test_irq          = &auide_dma_test_irq;
 	hwif->dma_host_off		= &auide_dma_host_off;
 	hwif->dma_host_on		= &auide_dma_host_on;
-	hwif->ide_dma_lostirq           = &auide_dma_lostirq;
+	hwif->dma_lost_irq		= &auide_dma_lost_irq;
 	hwif->ide_dma_on                = &auide_dma_on;
 
 	hwif->autodma                   = 1;

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index 8ab33fa..2761510 100644
@@ -264,10 +264,11 @@ static void __devinit init_hwif_atiixp(ide_hwif_t *hwif)
 	hwif->swdma_mask = 0x04;
 
 	pci_read_config_byte(pdev, ATIIXP_IDE_UDMA_MODE + ch, &udma_mode);
+
 	if ((udma_mode & 0x07) >= 0x04 || (udma_mode & 0x70) >= 0x40)
-		hwif->udma_four = 1;
+		hwif->cbl = ATA_CBL_PATA80;
 	else
-		hwif->udma_four = 0;
+		hwif->cbl = ATA_CBL_PATA40;
 
 	hwif->dma_host_on = &atiixp_dma_host_on;
 	hwif->dma_host_off = &atiixp_dma_host_off;

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index 41925c4..10f61f3 100644
@@ -187,7 +187,8 @@ static u8 __devinit cs5535_cable_detect(struct pci_dev *dev)
 
 	/* if a 80 wire cable was detected */
 	pci_read_config_byte(dev, CS5535_CABLE_DETECT, &bit);
-	return (bit & 1);
+
+	return (bit & 1) ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
 }
 
 /****

@@ -212,8 +213,7 @@ static void __devinit init_hwif_cs5535(ide_hwif_t *hwif)
 	hwif->ultra_mask = 0x1F;
 	hwif->mwdma_mask = 0x07;
 
-
-	hwif->udma_four = cs5535_cable_detect(hwif->pci_dev);
+	hwif->cbl = cs5535_cable_detect(hwif->pci_dev);
 
 	if (!noautodma)
 		hwif->autodma = 1;

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index c04a026..ff48c23 100644
@@ -231,7 +231,7 @@ static int it8213_config_drive_for_dma (ide_drive_t *drive)
 
 static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
 {
-	u8 reg42h = 0, ata66 = 0;
+	u8 reg42h = 0;
 
 	hwif->speedproc = &it8213_tune_chipset;
 	hwif->tuneproc	= &it8213_tuneproc;

@@ -250,11 +250,11 @@ static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
 	hwif->swdma_mask = 0x04;
 
 	pci_read_config_byte(hwif->pci_dev, 0x42, &reg42h);
-	ata66 = (reg42h & 0x02) ? 0 : 1;
 
 	hwif->ide_dma_check = &it8213_config_drive_for_dma;
-	if (!(hwif->udma_four))
-		hwif->udma_four = ata66;
+
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 
 	/*
 	 *	The BIOS often doesn't set up DMA on this controller

index 3aeb7f1..8197b65 100644
@@ -491,10 +491,10 @@ static int it821x_config_drive_for_dma (ide_drive_t *drive)
  *	the needed logic onboard.
  */
 
-static unsigned int __devinit ata66_it821x(ide_hwif_t *hwif)
+static u8 __devinit ata66_it821x(ide_hwif_t *hwif)
 {
 	/* The reference driver also only does disk side */
-	return 1;
+	return ATA_CBL_PATA80;
 }
 
 /**

@@ -662,8 +662,9 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
 	hwif->mwdma_mask = 0x07;
 
 	hwif->ide_dma_check = &it821x_config_drive_for_dma;
-	if (!(hwif->udma_four))
-		hwif->udma_four = ata66_it821x(hwif);
+
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = ata66_it821x(hwif);
 
 	/*
 	 *	The BIOS often doesn't set up DMA on this controller

index 76ed251..a6008f6 100644
@@ -25,10 +25,10 @@ typedef enum {
  *	ata66_jmicron		-	Cable check
  *	@hwif: IDE port
  *
- *	Return 1 if the cable is 80pin
+ *	Returns the cable type.
  */
 
-static int __devinit ata66_jmicron(ide_hwif_t *hwif)
+static u8 __devinit ata66_jmicron(ide_hwif_t *hwif)
 {
 	struct pci_dev *pdev = hwif->pci_dev;
 

@@ -70,16 +70,17 @@ static int __devinit ata66_jmicron(ide_hwif_t *hwif)
 	{
 	case PORT_PATA0:
 		if (control & (1 << 3))	/* 40/80 pin primary */
-			return 0;
-		return 1;
+			return ATA_CBL_PATA40;
+		return ATA_CBL_PATA80;
 	case PORT_PATA1:
 		if (control5 & (1 << 19))	/* 40/80 pin secondary */
-			return 0;
-		return 1;
+			return ATA_CBL_PATA40;
+		return ATA_CBL_PATA80;
 	case PORT_SATA:
 		break;
 	}
-	return 1; /* Avoid bogus "control reaches end of non-void function" */
+	/* Avoid bogus "control reaches end of non-void function" */
+	return ATA_CBL_PATA80;
 }
 
 static void jmicron_tuneproc (ide_drive_t *drive, byte mode_wanted)

@@ -159,8 +160,9 @@ static void __devinit init_hwif_jmicron(ide_hwif_t *hwif)
 	hwif->mwdma_mask = 0x07;
 
 	hwif->ide_dma_check = &jmicron_config_drive_for_dma;
-	if (!(hwif->udma_four))
-		hwif->udma_four = ata66_jmicron(hwif);
+
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = ata66_jmicron(hwif);
 
 	hwif->autodma = 1;
 	hwif->drives[0].autodma = hwif->autodma;

index 0765dce..ee5020d 100644
@@ -225,7 +225,10 @@ static void pdcnew_tune_drive(ide_drive_t *drive, u8 pio)
 
 static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
 {
-	return get_indexed_reg(hwif, 0x0b) & 0x04;
+	if (get_indexed_reg(hwif, 0x0b) & 0x04)
+		return ATA_CBL_PATA40;
+	else
+		return ATA_CBL_PATA80;
 }
 
 static int pdcnew_config_drive_xfer_rate(ide_drive_t *drive)

@@ -509,8 +512,8 @@ static void __devinit init_hwif_pdc202new(ide_hwif_t *hwif)
 
 	hwif->ide_dma_check = &pdcnew_config_drive_xfer_rate;
 
-	if (!hwif->udma_four)
-		hwif->udma_four = pdcnew_cable_detect(hwif) ? 0 : 1;
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = pdcnew_cable_detect(hwif);
 
 	if (!noautodma)
 		hwif->autodma = 1;

index 2384468..41ac4a9 100644
@@ -152,8 +152,10 @@ static void pdc202xx_tune_drive(ide_drive_t *drive, u8 pio)
 static u8 pdc202xx_old_cable_detect (ide_hwif_t *hwif)
 {
 	u16 CIS = 0, mask = (hwif->channel) ? (1<<11) : (1<<10);
+
 	pci_read_config_word(hwif->pci_dev, 0x50, &CIS);
-	return (CIS & mask) ? 1 : 0;
+
+	return (CIS & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 }
 
 /*

@@ -267,18 +269,24 @@ somebody_else:
 	return (dma_stat & 4) == 4;	/* return 1 if INTR asserted */
 }
 
-static int pdc202xx_ide_dma_lostirq(ide_drive_t *drive)
+static void pdc202xx_dma_lost_irq(ide_drive_t *drive)
 {
-	if (HWIF(drive)->resetproc != NULL)
-		HWIF(drive)->resetproc(drive);
-	return __ide_dma_lostirq(drive);
+	ide_hwif_t *hwif = HWIF(drive);
+
+	if (hwif->resetproc != NULL)
+		hwif->resetproc(drive);
+
+	ide_dma_lost_irq(drive);
 }
 
-static int pdc202xx_ide_dma_timeout(ide_drive_t *drive)
+static void pdc202xx_dma_timeout(ide_drive_t *drive)
 {
-	if (HWIF(drive)->resetproc != NULL)
-		HWIF(drive)->resetproc(drive);
-	return __ide_dma_timeout(drive);
+	ide_hwif_t *hwif = HWIF(drive);
+
+	if (hwif->resetproc != NULL)
+		hwif->resetproc(drive);
+
+	ide_dma_timeout(drive);
 }
 
 static void pdc202xx_reset_host (ide_hwif_t *hwif)

@@ -347,12 +355,13 @@ static void __devinit init_hwif_pdc202xx(ide_hwif_t *hwif)
 	hwif->err_stops_fifo = 1;
 
 	hwif->ide_dma_check = &pdc202xx_config_drive_xfer_rate;
-	hwif->ide_dma_lostirq = &pdc202xx_ide_dma_lostirq;
-	hwif->ide_dma_timeout = &pdc202xx_ide_dma_timeout;
+	hwif->dma_lost_irq = &pdc202xx_dma_lost_irq;
+	hwif->dma_timeout = &pdc202xx_dma_timeout;
 
 	if (hwif->pci_dev->device != PCI_DEVICE_ID_PROMISE_20246) {
-		if (!(hwif->udma_four))
-			hwif->udma_four = (pdc202xx_old_cable_detect(hwif)) ? 0 : 1;
+		if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+			hwif->cbl = pdc202xx_old_cable_detect(hwif);
+
 		hwif->dma_start = &pdc202xx_old_ide_dma_start;
 		hwif->ide_dma_end = &pdc202xx_old_ide_dma_end;
 	} 

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index 55bc0a3..7b87488 100644
@@ -716,7 +716,7 @@ static void __devinit init_hwif_scc(ide_hwif_t *hwif)
 	hwif->atapi_dma = 1;
 
 	/* we support 80c cable only. */
-	hwif->udma_four = 1;
+	hwif->cbl = ATA_CBL_PATA80;
 
 	hwif->autodma = 0;
 	if (!noautodma)

163 lines not on this page · raw message

index d3185e2..d396b29 100644
@@ -316,14 +316,6 @@ static void sgiioc4_dma_host_off(ide_drive_t * drive)
 	sgiioc4_clearirq(drive);
 }
 
-static int
-sgiioc4_ide_dma_lostirq(ide_drive_t * drive)
-{
-	HWIF(drive)->resetproc(drive);
-
-	return __ide_dma_lostirq(drive);
-}
-
 static void
 sgiioc4_resetproc(ide_drive_t * drive)
 {

@@ -331,6 +323,14 @@ sgiioc4_resetproc(ide_drive_t * drive)
 	sgiioc4_clearirq(drive);
 }
 
+static void
+sgiioc4_dma_lost_irq(ide_drive_t * drive)
+{
+	sgiioc4_resetproc(drive);
+
+	ide_dma_lost_irq(drive);
+}
+
 static u8
 sgiioc4_INB(unsigned long port)
 {

@@ -607,8 +607,8 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
 	hwif->ide_dma_test_irq = &sgiioc4_ide_dma_test_irq;
 	hwif->dma_host_on = &sgiioc4_dma_host_on;
 	hwif->dma_host_off = &sgiioc4_dma_host_off;
-	hwif->ide_dma_lostirq = &sgiioc4_ide_dma_lostirq;
-	hwif->ide_dma_timeout = &__ide_dma_timeout;
+	hwif->dma_lost_irq = &sgiioc4_dma_lost_irq;
+	hwif->dma_timeout = &ide_dma_timeout;
 
 	hwif->INB = &sgiioc4_INB;
 }

index 1a4444e..1c3e354 100644
@@ -933,16 +933,17 @@ static void __devinit init_iops_siimage(ide_hwif_t *hwif)
  *	interface.
  */
 
-static unsigned int __devinit ata66_siimage(ide_hwif_t *hwif)
+static u8 __devinit ata66_siimage(ide_hwif_t *hwif)
 {
 	unsigned long addr = siimage_selreg(hwif, 0);
-	if (pci_get_drvdata(hwif->pci_dev) == NULL) {
-		u8 ata66 = 0;
+	u8 ata66 = 0;
+
+	if (pci_get_drvdata(hwif->pci_dev) == NULL)
 		pci_read_config_byte(hwif->pci_dev, addr, &ata66);
-		return (ata66 & 0x01) ? 1 : 0;
-	}
+	else
+		ata66 = hwif->INB(addr);
 
-	return (hwif->INB(addr) & 0x01) ? 1 : 0;
+	return (ata66 & 0x01) ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
 }
 
 /**

@@ -988,8 +989,9 @@ static void __devinit init_hwif_siimage(ide_hwif_t *hwif)
 		hwif->atapi_dma = 1;
 
 	hwif->ide_dma_check = &siimage_config_drive_for_dma;
-	if (!(hwif->udma_four))
-		hwif->udma_four = ata66_siimage(hwif);
+
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = ata66_siimage(hwif);
 
 	if (hwif->mmio) {
 		hwif->ide_dma_test_irq = &siimage_mmio_ide_dma_test_irq;

index ec0adad..f875183 100644
@@ -1,5 +1,5 @@
 /*
- * linux/drivers/ide/pci/sis5513.c	Version 0.20	Mar 4, 2007
+ * linux/drivers/ide/pci/sis5513.c	Version 0.25	Jun 10, 2007
  *
  * Copyright (C) 1999-2000	Andre Hedrick <[email protected]>
  * Copyright (C) 2002		Lionel Bouton <[email protected]>, Maintainer

@@ -796,10 +796,33 @@ static unsigned int __devinit init_chipset_sis5513 (struct pci_dev *dev, const c
 	return 0;
 }
 
-static unsigned int __devinit ata66_sis5513 (ide_hwif_t *hwif)
+struct sis_laptop {
+	u16 device;
+	u16 subvendor;
+	u16 subdevice;
+};
+
+static const struct sis_laptop sis_laptop[] = {
+	/* devid, subvendor, subdev */
+	{ 0x5513, 0x1043, 0x1107 },	/* ASUS A6K */
+	/* end marker */
+	{ 0, }
+};
+
+static u8 __devinit ata66_sis5513(ide_hwif_t *hwif)
 {
+	struct pci_dev *pdev = hwif->pci_dev;
+	const struct sis_laptop *lap = &sis_laptop[0];
 	u8 ata66 = 0;
 
+	while (lap->device) {
+		if (lap->device == pdev->device &&
+		    lap->subvendor == pdev->subsystem_vendor &&
+		    lap->subdevice == pdev->subsystem_device)
+			return ATA_CBL_PATA40_SHORT;
+		lap++;
+	}
+
 	if (chipset_family >= ATA_133) {
 		u16 regw = 0;
 		u16 reg_addr = hwif->channel ? 0x52: 0x50;

@@ -811,7 +834,8 @@ static unsigned int __devinit ata66_sis5513 (ide_hwif_t *hwif)
 		pci_read_config_byte(hwif->pci_dev, 0x48, &reg48h);
 		ata66 = (reg48h & mask) ? 0 : 1;
 	}
-        return ata66;
+
+	return ata66 ? ATA_CBL_PATA80 : ATA_CBL_PATA40;
 }
 
 static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)

@@ -841,8 +865,8 @@ static void __devinit init_hwif_sis5513 (ide_hwif_t *hwif)
 	if (!chipset_family)
 		return;
 
-	if (!(hwif->udma_four))
-		hwif->udma_four = ata66_sis5513(hwif);
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
+		hwif->cbl = ata66_sis5513(hwif);
 
 	if (chipset_family > ATA_16) {
 		hwif->ide_dma_check = &sis5513_config_xfer_rate;

index 7c383d9..4878798 100644
@@ -195,7 +195,7 @@ static inline void sl82c105_reset_host(struct pci_dev *dev)
  * This function is called when the IDE timer expires, the drive
  * indicates that it is READY, and we were waiting for DMA to complete.
  */
-static int sl82c105_ide_dma_lostirq(ide_drive_t *drive)
+static void sl82c105_dma_lost_irq(ide_drive_t *drive)
 {
 	ide_hwif_t *hwif	= HWIF(drive);
 	struct pci_dev *dev	= hwif->pci_dev;

@@ -222,9 +222,6 @@ static int sl82c105_ide_dma_lostirq(ide_drive_t *drive)
 	}
 
 	sl82c105_reset_host(dev);
-
-	/* __ide_dma_lostirq would return 1, so we do as well */
-	return 1;
 }
 
 /*

@@ -244,15 +241,12 @@ static void sl82c105_dma_start(ide_drive_t *drive)
 	ide_dma_start(drive);
 }
 
-static int sl82c105_ide_dma_timeout(ide_drive_t *drive)
+static void sl82c105_dma_timeout(ide_drive_t *drive)
 {
-	ide_hwif_t *hwif	= HWIF(drive);
-	struct pci_dev *dev	= hwif->pci_dev;
+	DBG(("sl82c105_dma_timeout(drive:%s)\n", drive->name));
 
-	DBG(("sl82c105_ide_dma_timeout(drive:%s)\n", drive->name));
-
-	sl82c105_reset_host(dev);
-	return __ide_dma_timeout(drive);
+	sl82c105_reset_host(HWIF(drive)->pci_dev);
+	ide_dma_timeout(drive);
 }
 
 static int sl82c105_ide_dma_on(ide_drive_t *drive)

@@ -441,9 +435,9 @@ static void __devinit init_hwif_sl82c105(ide_hwif_t *hwif)
 	hwif->ide_dma_check		= &sl82c105_ide_dma_check;
 	hwif->ide_dma_on		= &sl82c105_ide_dma_on;
 	hwif->dma_off_quietly		= &sl82c105_dma_off_quietly;
-	hwif->ide_dma_lostirq		= &sl82c105_ide_dma_lostirq;
+	hwif->dma_lost_irq		= &sl82c105_dma_lost_irq;
 	hwif->dma_start			= &sl82c105_dma_start;
-	hwif->ide_dma_timeout		= &sl82c105_ide_dma_timeout;
+	hwif->dma_timeout		= &sl82c105_dma_timeout;
 
 	if (!noautodma)
 		hwif->autodma = 1;

index c40f291..575dbbd 100644
@@ -199,10 +199,9 @@ static void __devinit init_hwif_slc90e66 (ide_hwif_t *hwif)
 	hwif->mwdma_mask = 0x06;
 	hwif->swdma_mask = 0x04;
 
-	if (!hwif->udma_four) {
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT)
 		/* bit[0(1)]: 0:80, 1:40 */
-		hwif->udma_four = (reg47 & mask) ? 0 : 1;
-	}
+		hwif->cbl = (reg47 & mask) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 
 	hwif->ide_dma_check = &slc90e66_config_drive_xfer_rate;
 

index cee619b..8de1f8e 100644
@@ -220,13 +220,13 @@ static void __devinit init_hwif_tc86c001(ide_hwif_t *hwif)
 	hwif->ide_dma_check	= &tc86c001_config_drive_xfer_rate;
 	hwif->dma_start 	= &tc86c001_dma_start;
 
-	if (!hwif->udma_four) {
+	if (hwif->cbl != ATA_CBL_PATA40_SHORT) {
 		/*
 		 * System Control  1 Register bit 13 (PDIAGN):
 		 * 0=80-pin cable, 1=40-pin cable
 		 */
 		scr1 = hwif->INW(sc_base + 0x00);
-		hwif->udma_four = (scr1 & 0x2000) ? 0 : 1;
+		hwif->cbl = (scr1 & 0x2000) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
 	}
 
 	if (!noautodma)

287 lines not on this page · raw message

83 lines not on this page · raw message

index 8fcae21..4663e8b 100644
@@ -88,26 +88,26 @@ static const struct drive_list_entry dma_white_list [] = {
 /*
  * Hitachi
  */
-        { "HITACHI_DK14FA-20"    ,       "ALL"           },
-        { "HTS726060M9AT00"      ,       "ALL"           },
+        { "HITACHI_DK14FA-20"    ,       NULL            },
+        { "HTS726060M9AT00"      ,       NULL            },
 /*
  * Maxtor
  */
-        { "Maxtor 6E040L0"      ,       "ALL"           },
-        { "Maxtor 6Y080P0"      ,       "ALL"           },
-        { "Maxtor 6Y160P0"      ,       "ALL"           },
+        { "Maxtor 6E040L0"      ,       NULL            },
+        { "Maxtor 6Y080P0"      ,       NULL            },
+        { "Maxtor 6Y160P0"      ,       NULL            },
 /*
  * Seagate
  */
-        { "ST3120026A"          ,       "ALL"           },
-        { "ST320014A"           ,       "ALL"           },
-        { "ST94011A"            ,       "ALL"           },
-        { "ST340016A"           ,       "ALL"           },
+        { "ST3120026A"          ,       NULL            },
+        { "ST320014A"           ,       NULL            },
+        { "ST94011A"            ,       NULL            },
+        { "ST340016A"           ,       NULL            },
 /*
  * Western Digital
  */
-        { "WDC WD400UE-00HCT0"  ,       "ALL"           },
-        { "WDC WD400JB-00JJC0"  ,       "ALL"           },
+        { "WDC WD400UE-00HCT0"  ,       NULL            },
+        { "WDC WD400JB-00JJC0"  ,       NULL            },
         { NULL                  ,       NULL            }
 };
 

@@ -116,9 +116,9 @@ static const struct drive_list_entry dma_black_list [] = {
 /*
  * Western Digital
  */
-        { "WDC WD100EB-00CGH0"  ,       "ALL"           },
-        { "WDC WD200BB-00AUA1"  ,       "ALL"           },
-        { "WDC AC24300L"        ,       "ALL"           },
+        { "WDC WD100EB-00CGH0"  ,       NULL            },
+        { "WDC WD200BB-00AUA1"  ,       NULL            },
+        { "WDC AC24300L"        ,       NULL            },
         { NULL                  ,       NULL            }
 };
 #endif

index 1e365ac..19ab258 100644
@@ -25,6 +25,7 @@
 #include <asm/system.h>
 #include <asm/io.h>
 #include <asm/semaphore.h>
+#include <asm/mutex.h>
 
 /******************************************************************************
  * IDE driver configuration options (play with these as desired):

@@ -685,6 +686,8 @@ typedef struct hwif_s {
 	u8 mwdma_mask;
 	u8 swdma_mask;
 
+	u8 cbl;		/* cable type */
+
 	hwif_chipset_t chipset;	/* sub-module for tuning.. */
 
 	struct pci_dev  *pci_dev;	/* for pci chipsets */

@@ -735,8 +738,8 @@ typedef struct hwif_s {
 	void (*ide_dma_clear_irq)(ide_drive_t *drive);
 	void (*dma_host_on)(ide_drive_t *drive);
 	void (*dma_host_off)(ide_drive_t *drive);
-	int (*ide_dma_lostirq)(ide_drive_t *drive);
-	int (*ide_dma_timeout)(ide_drive_t *drive);
+	void (*dma_lost_irq)(ide_drive_t *drive);
+	void (*dma_timeout)(ide_drive_t *drive);
 
 	void (*OUTB)(u8 addr, unsigned long port);
 	void (*OUTBSYNC)(ide_drive_t *drive, u8 addr, unsigned long port);

@@ -791,7 +794,6 @@ typedef struct hwif_s {
 	unsigned	sharing_irq: 1;	/* 1 = sharing irq with another hwif */
 	unsigned	reset      : 1;	/* reset after probe */
 	unsigned	autodma    : 1;	/* auto-attempt using DMA at boot */
-	unsigned	udma_four  : 1;	/* 1=ATA-66 capable, 0=default */
 	unsigned	no_lba48   : 1; /* 1 = cannot do LBA48 */
 	unsigned	no_lba48_dma : 1; /* 1 = cannot do LBA48 DMA */
 	unsigned	auto_poll  : 1; /* supports nop auto-poll */

@@ -863,7 +865,7 @@ typedef struct hwgroup_s {
 
 typedef struct ide_driver_s ide_driver_t;
 
-extern struct semaphore ide_setting_sem;
+extern struct mutex ide_setting_mtx;
 
 int set_io_32bit(ide_drive_t *, int);
 int set_pio_mode(ide_drive_t *, int);

@@ -1304,8 +1306,8 @@ extern int __ide_dma_check(ide_drive_t *);
 extern int ide_dma_setup(ide_drive_t *);
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