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/soc/intel/common/block/lpc/lpc_lib.c b/src/soc/intel/common/block/lpc/lpc_lib.c
index 2fe5b39..fb50b74 100644
--- a/src/soc/intel/common/block/lpc/lpc_lib.c
+++ b/src/soc/intel/common/block/lpc/lpc_lib.c
@@ -265,7 +265,7 @@
 {
 	const struct device *dev;
 
-	dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
+	dev = pcidev_on_root(PCH_DEV_SLOT_LPC, 0);
 	if (!dev || !dev->chip_info)
 		return;
 
@@ -278,7 +278,7 @@
 	const struct device *dev;
 	uint32_t gen_io_dec[LPC_NUM_GENERIC_IO_RANGES];
 
-	dev = dev_find_slot(0, PCI_DEVFN(PCH_DEV_SLOT_LPC, 0));
+	dev = pcidev_on_root(PCH_DEV_SLOT_LPC, 0);
 	if (!dev || !dev->chip_info)
 		return;