PCI: artpec6: Add resource name comments

Add comments about the Device Tree source of resources.  No functional
change.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Acked-by: Jesper Nilsson <jesper.nilsson@axis.com>

diff --git a/drivers/pci/host/pcie-artpec6.c b/drivers/pci/host/pcie-artpec6.c
index bdfdea200f4b1727e9fc57b77ff2dfa8d9b5671b..212786b27f1a1b1f9ed9a07ba5c410617e2569c0 100644 (file)
--- a/drivers/pci/host/pcie-artpec6.c
+++ b/drivers/pci/host/pcie-artpec6.c
@@ -27,9 +27,9 @@
 #define to_artpec6_pcie(x)     container_of(x, struct artpec6_pcie, pp)
 
 struct artpec6_pcie {
-       struct pcie_port        pp;
-       struct regmap           *regmap;
-       void __iomem            *phy_base;
+       struct pcie_port        pp;             /* pp.dbi_base is DT dbi */
+       struct regmap           *regmap;        /* DT axis,syscon-pcie */
+       void __iomem            *phy_base;      /* DT phy */
 };
 
 /* PCIe Port Logic registers (memory-mapped) */