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                                 "firmware is obsolete - please upgrade to "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;
 }