device: Use pcidev_on_root()

Change-Id: Icf34b39d80f6e46d32a39b68f38fb2752c0bcebc
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Signed-off-by: Elyes HAOUAS <ehaouas@noos.fr>
Reviewed-on: https://review.coreboot.org/c/26484
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Piotr Król <piotr.krol@3mdeb.com>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
diff --git a/src/northbridge/intel/pineview/gma.c b/src/northbridge/intel/pineview/gma.c
index e075ac1..56242ce 100644
--- a/src/northbridge/intel/pineview/gma.c
+++ b/src/northbridge/intel/pineview/gma.c
@@ -72,7 +72,7 @@
 static int gtt_setup(u8 *mmiobase)
 {
 	u32 gttbase;
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(0,0));
+	struct device *dev = pcidev_on_root(0, 0);
 
 	gttbase = pci_read_config32(dev, BGSM);
 	printk(BIOS_DEBUG, "gttbase = %08x\n", gttbase);
@@ -319,7 +319,7 @@
 
 const struct i915_gpu_controller_info *intel_gma_get_controller_info(void)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(0x2,0));
+	struct device *dev = pcidev_on_root(0x2, 0);
 	if (!dev) {
 		printk(BIOS_WARNING, "WARNING: Can't find IGD (0,2,0)\n");
 		return NULL;