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/braswell/chip.c b/src/soc/intel/braswell/chip.c
index ccd6c9f..7a63b5b 100644
--- a/src/soc/intel/braswell/chip.c
+++ b/src/soc/intel/braswell/chip.c
@@ -86,7 +86,7 @@
 
 void soc_silicon_init_params(SILICON_INIT_UPD *params)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	struct soc_intel_braswell_config *config;
 
 	if (!dev) {
@@ -406,7 +406,7 @@
 **/
 int SocStepping(void)
 {
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	u8 revid = pci_read_config8(dev, 0x8);
 
 	switch (revid & B_PCH_LPC_RID_STEPPING_MASK) {
diff --git a/src/soc/intel/braswell/pmutil.c b/src/soc/intel/braswell/pmutil.c
index 85384a61..8dbb4992 100644
--- a/src/soc/intel/braswell/pmutil.c
+++ b/src/soc/intel/braswell/pmutil.c
@@ -44,7 +44,7 @@
 static struct device *get_pcu_dev(void)
 {
 	if (pcu_dev == NULL)
-		pcu_dev = dev_find_slot(0, PCI_DEVFN(PCU_DEV, 0));
+		pcu_dev = pcidev_on_root(PCU_DEV, 0);
 	return pcu_dev;
 }
 #endif /* ENV_SMM */
diff --git a/src/soc/intel/braswell/ramstage.c b/src/soc/intel/braswell/ramstage.c
index a12db80..b8362cd 100644
--- a/src/soc/intel/braswell/ramstage.c
+++ b/src/soc/intel/braswell/ramstage.c
@@ -84,7 +84,7 @@
 	struct pattrs *attrs = (struct pattrs *)pattrs_get();
 
 	attrs->cpuid = cpuid_eax(1);
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 	attrs->revid = pci_read_config8(dev, REVID);
 	/* The revision to stepping IDs have two values per metal stepping. */
     if (attrs->revid >= RID_D_STEPPING_START) {
diff --git a/src/soc/intel/braswell/romstage/romstage.c b/src/soc/intel/braswell/romstage/romstage.c
index 14eaa6b..9b9a0eb 100644
--- a/src/soc/intel/braswell/romstage/romstage.c
+++ b/src/soc/intel/braswell/romstage/romstage.c
@@ -216,7 +216,7 @@
 	const struct soc_intel_braswell_config *config;
 
 	/* Set the parameters for MemoryInit */
-	dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 
 	if (!dev) {
 		printk(BIOS_ERR,
diff --git a/src/soc/intel/braswell/spi.c b/src/soc/intel/braswell/spi.c
index a5f835d5..988832d 100644
--- a/src/soc/intel/braswell/spi.c
+++ b/src/soc/intel/braswell/spi.c
@@ -236,7 +236,7 @@
 #if ENV_SMM
 	pci_devfn_t dev = PCI_DEV(0, LPC_DEV, LPC_FUNC);
 #else
-	struct device *dev = dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	struct device *dev = pcidev_on_root(LPC_DEV, LPC_FUNC);
 #endif
 	if (!dev) {
 		printk(BIOS_ERR, "%s: PCI device not found", __func__);