From 367d7e78dd48cf6ad35182a99d97abb5486e040e Mon Sep 17 00:00:00 2001
From: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Date: Fri, 10 Oct 2008 22:39:30 +0200
Subject: ide: ide_dev_is_sata() -> ata_id_is_sata()

* Use optimized ATA version check from Sergei in ata_id_is_sata().

* ide_dev_is_sata() -> ata_id_is_sata()

Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index 6256c2d..0a2fd3b 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -630,7 +630,7 @@ u8 eighty_ninty_three (ide_drive_t *drive)
 		printk(KERN_DEBUG "%s: skipping word 93 validity check\n",
 				  drive->name);
 
-	if (ide_dev_is_sata(id) && !ivb)
+	if (ata_id_is_sata(id) && !ivb)
 		return 1;
 
 	if (hwif->cbl != ATA_CBL_PATA80 && !ivb)
diff --git a/drivers/ide/pci/hpt366.c b/drivers/ide/pci/hpt366.c
index d706eb6..9056e3a 100644
--- a/drivers/ide/pci/hpt366.c
+++ b/drivers/ide/pci/hpt366.c
@@ -654,7 +654,7 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive)
 	case HPT372A:
 	case HPT372N:
 	case HPT374 :
-		if (ide_dev_is_sata(drive->id))
+		if (ata_id_is_sata(drive->id))
 			mask &= ~0x0e;
 		/* Fall thru */
 	default:
@@ -674,7 +674,7 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive)
 	case HPT372A:
 	case HPT372N:
 	case HPT374 :
-		if (ide_dev_is_sata(drive->id))
+		if (ata_id_is_sata(drive->id))
 			return 0x00;
 		/* Fall thru */
 	default:
diff --git a/include/linux/ata.h b/include/linux/ata.h
index be00973d..d28aad9 100644
--- a/include/linux/ata.h
+++ b/include/linux/ata.h
@@ -645,7 +645,15 @@ static inline unsigned int ata_id_major_version(const u16 *id)
 
 static inline int ata_id_is_sata(const u16 *id)
 {
-	return ata_id_major_version(id) >= 5 && id[ATA_ID_HW_CONFIG] == 0;
+	/*
+	 * See if word 93 is 0 AND drive is at least ATA-5 compatible
+	 * verifying that word 80 by casting it to a signed type --
+	 * this trick allows us to filter out the reserved values of
+	 * 0x0000 and 0xffff along with the earlier ATA revisions...
+	 */
+	if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)
+		return 1;
+	return 0;
 }
 
 static inline int ata_id_has_tpm(const u16 *id)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 27829c1..87b5b5d 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -1382,19 +1382,6 @@ const char *ide_xfer_verbose(u8 mode);
 extern void ide_toggle_bounce(ide_drive_t *drive, int on);
 extern int ide_set_xfer_rate(ide_drive_t *drive, u8 rate);
 
-static inline int ide_dev_is_sata(u16 *id)
-{
-	/*
-	 * See if word 93 is 0 AND drive is at least ATA-5 compatible
-	 * verifying that word 80 by casting it to a signed type --
-	 * this trick allows us to filter out the reserved values of
-	 * 0x0000 and 0xffff along with the earlier ATA revisions...
-	 */
-	if (id[ATA_ID_HW_CONFIG] == 0 && (short)id[ATA_ID_MAJOR_VER] >= 0x0020)
-		return 1;
-	return 0;
-}
-
 u64 ide_get_lba_addr(struct ide_taskfile *, int);
 u8 ide_dump_status(ide_drive_t *, const char *, u8);
 
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