4 files changed, 10 insertions, 27 deletions

diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index a3443fce40f1..d684e713fae9 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -332,16 +332,12 @@ static long __devinit detect_pll_input_clock(unsigned long dma_base)
 static void __devinit apple_kiwi_init(struct pci_dev *pdev)
 {
 	struct device_node *np = pci_device_to_OF_node(pdev);
-	unsigned int class_rev = 0;
 	u8 conf;
 
 	if (np == NULL || !of_device_is_compatible(np, "kiwi-root"))
 		return;
 
-	pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
-
-	if (class_rev >= 0x03) {
+	if (pdev->revision >= 0x03) {
 		/* Setup chip magic config stuff (from darwin) */
 		pci_read_config_byte (pdev, 0x40, &conf);
 		pci_write_config_byte(pdev, 0x40, (conf | 0x01));
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index b0cf6add691d..5af74ea1d46e 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -691,14 +691,12 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev)
 static unsigned int __devinit
 pci_init_sgiioc4(struct pci_dev *dev)
 {
-	unsigned int class_rev;
 	int ret;
 
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
 	printk(KERN_INFO "%s: IDE controller at PCI slot %s, revision %d\n",
-			 DRV_NAME, pci_name(dev), class_rev);
-	if (class_rev < IOC4_SUPPORTED_FIRMWARE_REV) {
+			 DRV_NAME, pci_name(dev), dev->revision);
+
+	if (dev->revision < IOC4_SUPPORTED_FIRMWARE_REV) {
 		printk(KERN_ERR "Skipping %s IDE controller in slot %s: "
 				"firmware is obsolete - please upgrade to "
 				"revision46 or higher\n",
diff --git a/drivers/ide/pci/siimage.c b/drivers/ide/pci/siimage.c
index eda11050a02d..faf0be31ba57 100644
--- a/drivers/ide/pci/siimage.c
+++ b/drivers/ide/pci/siimage.c
@@ -640,13 +640,9 @@ static unsigned int setup_mmio_siimage (struct pci_dev *dev, const char *name)
 
 static unsigned int __devinit init_chipset_siimage(struct pci_dev *dev, const char *name)
 {
-	u32 class_rev	= 0;
-	u8 tmpbyte	= 0;
-	u8 BA5_EN	= 0;
+	u8 rev = dev->revision, tmpbyte = 0, BA5_EN = 0;
 
-        pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-        class_rev &= 0xff;
-	pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (class_rev) ? 1 : 255);	
+	pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, rev ? 1 : 255);
 
 	pci_read_config_byte(dev, 0x8A, &BA5_EN);
 	if ((BA5_EN & 0x01) || (pci_resource_start(dev, 5))) {
@@ -825,19 +821,14 @@ static void __devinit siimage_fixup(ide_hwif_t *hwif)
 
 static void __devinit init_iops_siimage(ide_hwif_t *hwif)
 {
-	struct pci_dev *dev	= hwif->pci_dev;
-	u32 class_rev		= 0;
-
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
-	
 	hwif->hwif_data = NULL;
 
 	/* Pessimal until we finish probing */
 	hwif->rqsize = 15;
 
-	if (pci_get_drvdata(dev) == NULL)
+	if (pci_get_drvdata(hwif->pci_dev) == NULL)
 		return;
+
 	init_mmio_iops_siimage(hwif);
 }
 
diff --git a/drivers/ide/setup-pci.c b/drivers/ide/setup-pci.c
index 51b1a9b23a22..f187889de70f 100644
--- a/drivers/ide/setup-pci.c
+++ b/drivers/ide/setup-pci.c
@@ -478,7 +478,6 @@ static void ide_hwif_setup_dma(struct pci_dev *dev, ide_pci_device_t *d, ide_hwi
 static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, int noisy, int *config)
 {
 	int ret;
-	u32 class_rev;
 	u16 pcicmd;
 
 	if (noisy)
@@ -501,10 +500,9 @@ static int ide_setup_pci_controller(struct pci_dev *dev, ide_pci_device_t *d, in
 		printk(KERN_INFO "%s: device enabled (Linux)\n", d->name);
 	}
 
-	pci_read_config_dword(dev, PCI_CLASS_REVISION, &class_rev);
-	class_rev &= 0xff;
 	if (noisy)
-		printk(KERN_INFO "%s: chipset revision %d\n", d->name, class_rev);
+		printk(KERN_INFO "%s: chipset revision %d\n",
+				 d->name, dev->revision);
 out:
 	return ret;
 }