diff options
Diffstat (limited to 'drivers/serial')
| -rw-r--r-- | drivers/serial/8250_pci.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 94886c000d2..864ef859be5 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -594,8 +594,8 @@ pci_default_setup(struct serial_private *priv, struct pciserial_board *board, else offset += idx * board->uart_offset; - maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) / - (8 << board->reg_shift); + maxnr = (pci_resource_len(priv->dev, bar) - board->first_offset) >> + (board->reg_shift + 3); if (board->flags & FL_REGION_SZ_CAP && idx >= maxnr) return 1; |