Add a comment explaining a bit what is going on in this function.
It would be helfulp for other people for a better understanding
of the code.
Suggested-by: NeilBrown <n...@brown.name>
Signed-off-by: Sergio Paracuellos <sergio.paracuel...@gmail.com>
---
drivers/staging/mt7621-pci/pci-mt7621.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/staging/mt7621-pci/pci-mt7621.c
b/drivers/staging/mt7621-pci/pci-mt7621.c
index 6a9f4b6cdd93..eede8d9268ac 100644
--- a/drivers/staging/mt7621-pci/pci-mt7621.c
+++ b/drivers/staging/mt7621-pci/pci-mt7621.c
@@ -622,6 +622,11 @@ static int mt7621_pcie_init_virtual_bridges(struct
mt7621_pcie *pcie)
if (pcie_link_status == 0)
return -1;
+ /*
+ * Assign device numbers from zero to the enabled ports,
+ * then assigning remaining device numbers to any disabled
+ * ports.
+ */
n = 0;
for (i = 0; i < PCIE_P2P_CNT; i++)
if (pcie_link_status & BIT(i))
--
2.25.1
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