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-rw-r--r--drivers/serial/8250_pci.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
index f8d90d0ecfe..de54bdc5398 100644
--- a/drivers/serial/8250_pci.c
+++ b/drivers/serial/8250_pci.c
@@ -1009,6 +1009,8 @@ get_pci_irq(struct pci_dev *dev, struct pci_board *board, int idx)
* n = number of serial ports
* baud = baud rate
*
+ * This table is sorted by (in order): baud, bt, bn, n.
+ *
* Please note: in theory if n = 1, _bt infix should make no difference.
* ie, pbn_b0_1_115200 is the same as pbn_b0_bt_1_115200
*/