1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/ide/pci/opti621.c b/drivers/ide/pci/opti621.c
index 9edacba20ffb..f766be9afaf9 100644
--- a/drivers/ide/pci/opti621.c
+++ b/drivers/ide/pci/opti621.c
@@ -210,7 +210,7 @@ static void compute_clocks(int pio, pio_clocks_t *clks)
 {
         if (pio != PIO_NOT_EXIST) {
                 int adr_setup, data_pls;
-                int bus_speed = system_bus_clock();
+                int bus_speed = ide_pci_clk ? ide_pci_clk : system_bus_clock();
 
                 adr_setup = ide_pio_timings[pio].setup_time;
                 data_pls = ide_pio_timings[pio].active_time;