mmc: use pci_dev->revision

The SDHCI driver uses PCI_CLASS_REVISION instead of PCI_REVISION_ID, so
it was not converted by commit 44c10138fd4bbc4b6d6bff0873c24902f2a9da65
(PCI: Change all drivers to use pci_device->revision). The newer VIA
driver has similar code too. This patch converts both drivers to use
the 'revision' field of 'struct pci_dev'.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Harald Welte <HaraldWelte@viatech.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/via-sdmmc.c b/drivers/mmc/host/via-sdmmc.c
index 8c5b488..4dfe2c0 100644
--- a/drivers/mmc/host/via-sdmmc.c
+++ b/drivers/mmc/host/via-sdmmc.c
@@ -1087,14 +1087,13 @@
 	struct mmc_host *mmc;
 	struct via_crdr_mmc_host *sdhost;
 	u32 base, len;
-	u8 rev, gatt;
+	u8  gatt;
 	int ret;
 
-	pci_read_config_byte(pcidev, PCI_CLASS_REVISION, &rev);
 	pr_info(DRV_NAME
 		": VIA SDMMC controller found at %s [%04x:%04x] (rev %x)\n",
 		pci_name(pcidev), (int)pcidev->vendor, (int)pcidev->device,
-		(int)rev);
+		(int)pcidev->revision);
 
 	ret = pci_enable_device(pcidev);
 	if (ret)