soc/intel: Replace uses of dev_find_slot()

To call dev_find_slot(0, xx) in romstage can produce
invalid results since PCI bus enumeration has not
been progressed yet.

Replace this with method that relies on bus topology
that walks the root bus only.

Change-Id: I2883610059bb9fa860bba01179e7d5c58cae00e5
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33996
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>

1 files changed, 4 insertions, 4 deletions

diff --git a/src/soc/intel/denverton_ns/soc_util.c b/src/soc/intel/denverton_ns/soc_util.c
index ba7ba0f0b7..ef95f7e562 100644
--- a/src/soc/intel/denverton_ns/soc_util.c
+++ b/src/soc/intel/denverton_ns/soc_util.c
@@ -37,7 +37,7 @@ pci_devfn_t get_hostbridge_dev(void)
 #else
 struct device *get_hostbridge_dev(void)
 {
-	return dev_find_slot(0, PCI_DEVFN(SA_DEV, SA_FUNC));
+	return pcidev_on_root(SA_DEV, SA_FUNC);
 }
 #endif
 
@@ -49,7 +49,7 @@ pci_devfn_t get_lpc_dev(void)
 #else
 struct device *get_lpc_dev(void)
 {
-	return dev_find_slot(0, PCI_DEVFN(LPC_DEV, LPC_FUNC));
+	return pcidev_on_root(LPC_DEV, LPC_FUNC);
 }
 #endif
 
@@ -61,7 +61,7 @@ pci_devfn_t get_pmc_dev(void)
 #else
 struct device *get_pmc_dev(void)
 {
-	return dev_find_slot(0, PCI_DEVFN(PMC_DEV, PMC_FUNC));
+	return pcidev_on_root(PMC_DEV, PMC_FUNC);
 }
 #endif
 
@@ -73,7 +73,7 @@ pci_devfn_t get_smbus_dev(void)
 #else
 struct device *get_smbus_dev(void)
 {
-	return dev_find_slot(0, PCI_DEVFN(SMBUS_DEV, SMBUS_FUNC));
+	return pcidev_on_root(SMBUS_DEV, SMBUS_FUNC);
 }
 #endif