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-rw-r--r--src/device/device_romstage.c21
-rw-r--r--src/include/device/device.h1
2 files changed, 22 insertions, 0 deletions
diff --git a/src/device/device_romstage.c b/src/device/device_romstage.c
index 987fdade0e..df0df6a529 100644
--- a/src/device/device_romstage.c
+++ b/src/device/device_romstage.c
@@ -101,3 +101,24 @@ ROMSTAGE_CONST struct device *dev_find_slot_on_smbus(unsigned int bus,
}
return result;
}
+
+/**
+ * Given a PnP port and a device number, find the device structure.
+ *
+ * @param port The I/O port.
+ * @param device Logical device number.
+ * @return Pointer to the device structure (if found), 0 otherwise.
+ */
+ROMSTAGE_CONST struct device *dev_find_slot_pnp(u16 port, u16 device)
+{
+ ROMSTAGE_CONST struct device *dev;
+
+ for (dev = all_devices; dev; dev = dev->next) {
+ if ((dev->path.type == DEVICE_PATH_PNP) &&
+ (dev->path.pnp.port == port) &&
+ (dev->path.pnp.device == device)) {
+ return dev;
+ }
+ }
+ return 0;
+}
diff --git a/src/include/device/device.h b/src/include/device/device.h
index c67205cae7..30226bf7df 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -261,6 +261,7 @@ ROMSTAGE_CONST struct device *dev_find_next_pci_device(
ROMSTAGE_CONST struct device *previous_dev);
ROMSTAGE_CONST struct device * dev_find_slot_on_smbus (unsigned int bus,
unsigned int addr);
+ROMSTAGE_CONST struct device * dev_find_slot_pnp(u16 port, u16 device);
#endif