dm: pci: Add a comment about how to find struct pci_controller

With driver mode, struct pci_controller is stored as uclass-private data.
Add a comment to that effect.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/include/pci.h b/include/pci.h
index 9c1948226fd3e1a4a0e0eb6bb38e50c3ff2f8e10..c4f657784be52bb6a6779502bc2206d549489ab5 100644 (file)
--- a/include/pci.h
+++ b/include/pci.h
@@ -537,6 +537,8 @@ extern void pci_cfgfunc_config_device(struct pci_controller* hose, pci_dev_t dev
 
 /*
  * Structure of a PCI controller (host bridge)
+ *
+ * With driver model this is dev_get_uclass_priv(bus)
  */
 struct pci_controller {
 #ifdef CONFIG_DM_PCI