[coreboot-gerrit] New patch to review for coreboot: src/device: Get device structure by path type
Subrata Banik (subrata.banik@intel.com)
gerrit at coreboot.org
Tue Dec 6 13:43:22 CET 2016
Subrata Banik (subrata.banik at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/17731
-gerrit
commit 564f8a34b4d600ecd125a761c35bd6839db4838f
Author: Subrata Banik <subrata.banik at intel.com>
Date: Tue Dec 6 18:06:30 2016 +0530
src/device: Get device structure by path type
Add helper function to find a device by path type
in the device tree.
Change-Id: I8846f63bd2488788ea3c7ab5154e7cf431a252bc
Signed-off-by: Subrata Banik <subrata.banik at intel.com>
Signed-off-by: Dhaval V Sharma <dhaval.v.sharma at intel.com>
---
src/device/device_util.c | 19 +++++++++++++++++++
src/include/device/device.h | 1 +
2 files changed, 20 insertions(+)
diff --git a/src/device/device_util.c b/src/device/device_util.c
index 56afefd..c4ad51c 100644
--- a/src/device/device_util.c
+++ b/src/device/device_util.c
@@ -131,6 +131,25 @@ device_t dev_find_lapic(unsigned apic_id)
}
/**
+ * Given a Device Path Type, find the device structure.
+ *
+ * @param path_type The Device Path Type.
+ * @return Pointer to the device structure (if found), 0 otherwise.
+ */
+device_t dev_find_path(unsigned int path_type)
+{
+ device_t dev, result = NULL;
+
+ for (dev = all_devices; dev; dev = dev->next) {
+ if (dev->path.type == path_type) {
+ result = dev;
+ break;
+ }
+ }
+ return result;
+}
+
+/**
* Find a device of a given vendor and type.
*
* @param vendor A PCI vendor ID (e.g. 0x8086 for Intel).
diff --git a/src/include/device/device.h b/src/include/device/device.h
index 95fabf4..3f53185 100644
--- a/src/include/device/device.h
+++ b/src/include/device/device.h
@@ -195,6 +195,7 @@ device_t find_dev_path(struct bus *parent, struct device_path *path);
device_t alloc_find_dev(struct bus *parent, struct device_path *path);
device_t dev_find_device (u16 vendor, u16 device, device_t from);
device_t dev_find_class (unsigned int class, device_t from);
+device_t dev_find_path(unsigned int path_type);
device_t dev_find_slot (unsigned int bus, unsigned int devfn);
device_t dev_find_slot_on_smbus (unsigned int bus, unsigned int addr);
device_t dev_find_slot_pnp(u16 port, u16 device);
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