Re: Delay on intialization ide subsystem(most likely)

@@ -138,14 +138,6 @@
 #undef	HPT_RESET_STATE_ENGINE
 #undef	HPT_DELAY_INTERRUPT
 
-static const char *quirk_drives[] = {
-	"QUANTUM FIREBALLlct08 08",
-	"QUANTUM FIREBALLP KA6.4",
-	"QUANTUM FIREBALLP LM20.4",
-	"QUANTUM FIREBALLP LM20.5",
-	NULL
-};
-
 static const char *bad_ata100_5[] = {
 	"IBM-DTLA-307075",
 	"IBM-DTLA-307060",

@@ -729,27 +721,13 @@ static void hpt3xx_set_pio_mode(ide_drive_t *drive, const u8 pio)
 	hpt3xx_set_mode(drive, XFER_PIO_0 + pio);
 }
 
-static void hpt3xx_quirkproc(ide_drive_t *drive)
-{
-	char *m			= (char *)&drive->id[ATA_ID_PROD];
-	const  char **list	= quirk_drives;
-
-	while (*list)
-		if (strstr(m, *list++)) {
-			drive->quirk_list = 1;
-			return;
-		}
-
-	drive->quirk_list = 0;
-}
-
 static void hpt3xx_maskproc(ide_drive_t *drive, int mask)
 {
 	ide_hwif_t *hwif	= drive->hwif;
 	struct pci_dev	*dev	= to_pci_dev(hwif->dev);
 	struct hpt_info *info	= hpt3xx_get_info(hwif->dev);
 
-	if (drive->quirk_list == 0)
+	if ((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
 		return;
 
 	if (info->chip_type >= HPT370) {

@@ -1404,7 +1382,6 @@ static int __devinit hpt36x_init(struct pci_dev *dev, struct pci_dev *dev2)
 static const struct ide_port_ops hpt3xx_port_ops = {
 	.set_pio_mode		= hpt3xx_set_pio_mode,
 	.set_dma_mode		= hpt3xx_set_mode,
-	.quirkproc		= hpt3xx_quirkproc,
 	.maskproc		= hpt3xx_maskproc,
 	.mdma_filter		= hpt3xx_mdma_filter,
 	.udma_filter		= hpt3xx_udma_filter,

@@ -408,8 +408,9 @@ static ide_startstop_t do_reset1(ide_drive_t *drive, int do_not_try_atapi)
 	/* more than enough time */
 	udelay(10);
 	/* clear SRST, leave nIEN (unless device is on the quirk list) */
-	tp_ops->write_devctl(hwif, (drive->quirk_list == 2 ? 0 : ATA_NIEN) |
-			     ATA_DEVCTL_OBS);
+	tp_ops->write_devctl(hwif,
+		((drive->dev_flags & IDE_DFLAG_NIEN_QUIRK) ? 0 : ATA_NIEN) |
+		 ATA_DEVCTL_OBS);
 	/* more than enough time */
 	udelay(10);
 	hwif->poll_timeout = jiffies + WAIT_WORSTCASE;

@@ -503,11 +503,15 @@ repeat:
 
 		if ((hwif->host->host_flags & IDE_HFLAG_SERIALIZE) &&
 		    hwif != prev_port) {
+			ide_drive_t *cur_dev =
+				prev_port ? prev_port->cur_dev : NULL;
+
 			/*
 			 * set nIEN for previous port, drives in the
-			 * quirk_list may not like intr setups/cleanups
+			 * quirk list may not like intr setups/cleanups
 			 */
-			if (prev_port && prev_port->cur_dev->quirk_list == 0)
+			if (cur_dev &&
+			    (cur_dev->dev_flags & IDE_DFLAG_NIEN_QUIRK) == 0)
 				prev_port->tp_ops->write_devctl(prev_port,
 								ATA_NIEN |
 								ATA_DEVCTL_OBS);

@@ -696,7 +700,7 @@ void ide_timer_expiry (unsigned long data)
 		}
 		spin_lock_irq(&hwif->lock);
 		enable_irq(hwif->irq);
-		if (startstop == ide_stopped) {
+		if (startstop == ide_stopped && hwif->polling == 0) {
 			ide_unlock_port(hwif);
 			plug_device = 1;
 		}

@@ -868,7 +872,7 @@ irqreturn_t ide_intr (int irq, void *dev_id)
 	 * same irq as is currently being serviced here, and Linux
 	 * won't allow another of the same (on any CPU) until we return.
 	 */
-	if (startstop == ide_stopped) {
+	if (startstop == ide_stopped && hwif->polling == 0) {
 		BUG_ON(hwif->handler);
 		ide_unlock_port(hwif);
 		plug_device = 1;

@@ -269,6 +269,29 @@ no_80w:
 	return 0;
 }
 
+static const char *nien_quirk_list[] = {
+	"QUANTUM FIREBALLlct08 08",
+	"QUANTUM FIREBALLP KA6.4",
+	"QUANTUM FIREBALLP KA9.1",
+	"QUANTUM FIREBALLP KX13.6",
+	"QUANTUM FIREBALLP KX20.5",
+	"QUANTUM FIREBALLP KX27.3",
+	"QUANTUM FIREBALLP LM20.4",
+	"QUANTUM FIREBALLP LM20.5",
+	NULL
+};
+
+void ide_check_nien_quirk_list(ide_drive_t *drive)
+{
+	const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
+
+	for (list = nien_quirk_list; *list != NULL; list++)
+		if (strstr(m, *list) != NULL) {
+			drive->dev_flags |= IDE_DFLAG_NIEN_QUIRK;
+			return;
+		}
+}
+
 int ide_driveid_update(ide_drive_t *drive)
 {
 	u16 *id;

@@ -352,7 +375,7 @@ int ide_config_drive_speed(ide_drive_t *drive, u8 speed)
 
 	tp_ops->exec_command(hwif, ATA_CMD_SET_FEATURES);
 
-	if (drive->quirk_list == 2)
+	if (drive->dev_flags & IDE_DFLAG_NIEN_QUIRK)
 		tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
 
 	error = __ide_wait_stat(drive, drive->ready_stat,

@@ -295,7 +295,7 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
 
 	timeout = ((cmd == ATA_CMD_ID_ATA) ? WAIT_WORSTCASE : WAIT_PIDENTIFY) / 2;
 
-	if (ide_busy_sleep(hwif, timeout, use_altstatus))
+	if (ide_busy_sleep(drive, timeout, use_altstatus))
 		return 1;
 
 	/* wait for IRQ and ATA_DRQ */

@@ -316,8 +316,9 @@ int ide_dev_read_id(ide_drive_t *drive, u8 cmd, u16 *id)
 	return rc;
 }
 
-int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
+int ide_busy_sleep(ide_drive_t *drive, unsigned long timeout, int altstatus)
 {
+	ide_hwif_t *hwif = drive->hwif;
 	u8 stat;
 
 	timeout += jiffies;

@@ -330,6 +331,8 @@ int ide_busy_sleep(ide_hwif_t *hwif, unsigned long timeout, int altstatus)
 			return 0;
 	} while (time_before(jiffies, timeout));
 
+	printk(KERN_ERR "%s: timeout in %s\n", drive->name, __func__);
+
 	return 1;	/* drive timed-out */
 }
 

@@ -420,7 +423,7 @@ static int do_probe (ide_drive_t *drive, u8 cmd)
 			tp_ops->dev_select(drive);
 			msleep(50);
 			tp_ops->exec_command(hwif, ATA_CMD_DEV_RESET);
-			(void)ide_busy_sleep(hwif, WAIT_WORSTCASE, 0);
+			(void)ide_busy_sleep(drive, WAIT_WORSTCASE, 0);
 			rc = ide_dev_read_id(drive, cmd, id);
 		}
 

@@ -699,8 +702,12 @@ static int ide_probe_port(ide_hwif_t *hwif)
 	if (irqd)
 		disable_irq(hwif->irq);
 
-	if (ide_port_wait_ready(hwif) == -EBUSY)
-		printk(KERN_DEBUG "%s: Wait for ready failed before probe !\n", hwif->name);
+	rc = ide_port_wait_ready(hwif);
+	if (rc == -ENODEV) {
+		printk(KERN_INFO "%s: no devices on the port\n", hwif->name);
+		goto out;
+	} else if (rc == -EBUSY)
+		printk(KERN_ERR "%s: not ready before the probe\n", hwif->name);
 
 	/*
 	 * Second drive should only exist if first drive was found,

@@ -711,7 +718,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
 		if (drive->dev_flags & IDE_DFLAG_PRESENT)
 			rc = 0;
 	}
-
+out:
 	/*
 	 * Use cached IRQ number. It might be (and is...) changed by probe
 	 * code above

@@ -729,6 +736,8 @@ static void ide_port_tune_devices(ide_hwif_t *hwif)
 	int i;
 
 	ide_port_for_each_present_dev(i, drive, hwif) {
+		ide_check_nien_quirk_list(drive);
+
 		if (port_ops && port_ops->quirkproc)
 			port_ops->quirkproc(drive);
 	}

@@ -40,18 +40,6 @@
 #define DBG(fmt, args...)
 #endif
 
-static const char *pdc_quirk_drives[] = {
-	"QUANTUM FIREBALLlct08 08",
-	"QUANTUM FIREBALLP KA6.4",
-	"QUANTUM FIREBALLP KA9.1",
-	"QUANTUM FIREBALLP LM20.4",
-	"QUANTUM FIREBALLP KX13.6",
-	"QUANTUM FIREBALLP KX20.5",
-	"QUANTUM FIREBALLP KX27.3",
-	"QUANTUM FIREBALLP LM20.5",
-	NULL
-};
-
 static u8 max_dma_rate(struct pci_dev *pdev)
 {
 	u8 mode;

@@ -200,19 +188,6 @@ static u8 pdcnew_cable_detect(ide_hwif_t *hwif)
 		return ATA_CBL_PATA80;
 }
 
-static void pdcnew_quirkproc(ide_drive_t *drive)
-{
-	const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
-
-	for (list = pdc_quirk_drives; *list != NULL; list++)
-		if (strstr(m, *list) != NULL) {
-			drive->quirk_list = 2;
-			return;
-		}
-
-	drive->quirk_list = 0;
-}
-
 static void pdcnew_reset(ide_drive_t *drive)
 {
 	/*

@@ -473,7 +448,6 @@ static struct pci_dev * __devinit pdc20270_get_dev2(struct pci_dev *dev)
 static const struct ide_port_ops pdcnew_port_ops = {
 	.set_pio_mode		= pdcnew_set_pio_mode,
 	.set_dma_mode		= pdcnew_set_dma_mode,
-	.quirkproc		= pdcnew_quirkproc,
 	.resetproc		= pdcnew_reset,
 	.cable_detect		= pdcnew_cable_detect,
 };

@@ -23,18 +23,6 @@
 
 #define PDC202XX_DEBUG_DRIVE_INFO	0
 
-static const char *pdc_quirk_drives[] = {
-	"QUANTUM FIREBALLlct08 08",
-	"QUANTUM FIREBALLP KA6.4",
-	"QUANTUM FIREBALLP KA9.1",
-	"QUANTUM FIREBALLP LM20.4",
-	"QUANTUM FIREBALLP KX13.6",
-	"QUANTUM FIREBALLP KX20.5",
-	"QUANTUM FIREBALLP KX27.3",
-	"QUANTUM FIREBALLP LM20.5",
-	NULL
-};
-
 static void pdc_old_disable_66MHz_clock(ide_hwif_t *);
 
 static void pdc202xx_set_mode(ide_drive_t *drive, const u8 speed)

@@ -151,19 +139,6 @@ static void pdc_old_disable_66MHz_clock(ide_hwif_t *hwif)
 	outb(clock & ~(hwif->channel ? 0x08 : 0x02), clock_reg);
 }
 
-static void pdc202xx_quirkproc(ide_drive_t *drive)
-{
-	const char **list, *m = (char *)&drive->id[ATA_ID_PROD];
-
-	for (list = pdc_quirk_drives; *list != NULL; list++)
-		if (strstr(m, *list) != NULL) {
-			drive->quirk_list = 2;
-			return;
-		}
-
-	drive->quirk_list = 0;
-}
-
 static void pdc202xx_dma_start(ide_drive_t *drive)
 {
 	if (drive->current_speed > XFER_UDMA_2)

@@ -311,13 +286,11 @@ static void __devinit pdc202ata4_fixup_irq(struct pci_dev *dev,
 static const struct ide_port_ops pdc20246_port_ops = {
 	.set_pio_mode		= pdc202xx_set_pio_mode,
 	.set_dma_mode		= pdc202xx_set_mode,
-	.quirkproc		= pdc202xx_quirkproc,
 };
 
 static const struct ide_port_ops pdc2026x_port_ops = {
 	.set_pio_mode		= pdc202xx_set_pio_mode,
 	.set_dma_mode		= pdc202xx_set_mode,
-	.quirkproc		= pdc202xx_quirkproc,
 	.resetproc		= pdc202xx_reset,
 	.cable_detect		= pdc2026x_cable_detect,
 };

@@ -474,6 +474,7 @@ enum {
 	IDE_DFLAG_NICE1			= (1 << 5),
 	/* device is physically present */
 	IDE_DFLAG_PRESENT		= (1 << 6),
+	IDE_DFLAG_NIEN_QUIRK		= (1 << 7),
 	/* id read from device (synthetic if not set) */
 	IDE_DFLAG_ID_READ		= (1 << 8),
 	IDE_DFLAG_NOPROBE		= (1 << 9),

@@ -543,7 +544,6 @@ struct ide_drive_s {
 	u8	waiting_for_dma;	/* dma currently in progress */
 	u8	dma;			/* atapi dma flag */
 
-        u8	quirk_list;	/* considered quirky, set for a specific host */
         u8	init_speed;	/* transfer rate set at boot */
         u8	current_speed;	/* current transfer rate set */
 	u8	desired_speed;	/* desired transfer rate set */

@@ -1109,7 +1109,7 @@ void ide_fix_driveid(u16 *);
 
 extern void ide_fixstring(u8 *, const int, const int);
 
-int ide_busy_sleep(ide_hwif_t *, unsigned long, int);
+int ide_busy_sleep(ide_drive_t *, unsigned long, int);
 
 int ide_wait_stat(ide_startstop_t *, ide_drive_t *, u8, u8, unsigned long);
 

@@ -1464,6 +1464,7 @@ static inline void ide_acpi_set_state(ide_hwif_t *hwif, int on) {}
 void ide_register_region(struct gendisk *);
 void ide_unregister_region(struct gendisk *);
 
+void ide_check_nien_quirk_list(ide_drive_t *);
 void ide_undecoded_slave(ide_drive_t *);
 
 void ide_port_apply_params(ide_hwif_t *);