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authorSimon Glass <sjg@chromium.org>2015-11-29 13:17:52 -0700
committerSimon Glass <sjg@chromium.org>2016-01-12 10:19:09 -0700
commita0eb835635abe0952529e3eb5207a24ac36fa000 (patch)
treeaac75f8b2e09e09890e6a74ef7f5c3078b1d689f /include/pci.h
parent9fbdb94667b7316ef2a48fce325ae2da147d7d66 (diff)
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dm: pci: Add a driver-model version of pci_find_class()
Add a function which scans the driver model device information rather than scanning the PCI bus again. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'include/pci.h')
-rw-r--r--include/pci.h10
1 files changed, 10 insertions, 0 deletions
diff --git a/include/pci.h b/include/pci.h
index 347dd0a..443af83 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -1179,6 +1179,16 @@ int dm_pci_find_device(unsigned int vendor, unsigned int device, int index,
struct udevice **devp);
/**
+ * dm_pci_find_class() - find a device by class
+ *
+ * @find_class: 3-byte (24-bit) class value to find
+ * @index: 0 to find the first match, 1 for second, etc.
+ * @devp: Returns pointer to the device, if found
+ * @return 0 if found, -ve on error
+ */
+int dm_pci_find_class(uint find_class, int index, struct udevice **devp);
+
+/**
* struct dm_pci_emul_ops - PCI device emulator operations
*/
struct dm_pci_emul_ops {