i2c: Use pci_ioremap_bar()

Use the newly introduced pci_ioremap_bar() function in drivers/i2c.
pci_ioremap_bar() just takes a pci device and a bar number, with the goal
of making it really hard to get wrong, while also having a central place
to stick sanity checks.

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c
index 1098f21..648aa7b 100644
--- a/drivers/i2c/busses/i2c-hydra.c
+++ b/drivers/i2c/busses/i2c-hydra.c
@@ -123,7 +123,7 @@
 				hydra_adap.name))
 		return -EBUSY;
 
-	hydra_bit_data.data = ioremap(base, pci_resource_len(dev, 0));
+	hydra_bit_data.data = pci_ioremap_bar(dev, 0);
 	if (hydra_bit_data.data == NULL) {
 		release_mem_region(base+offsetof(struct Hydra, CachePD), 4);
 		return -ENODEV;