diff options
| -rw-r--r-- | drivers/ata/libahci.c | 6 |
1 files changed, 1 insertions, 5 deletions
diff --git a/drivers/ata/libahci.c b/drivers/ata/libahci.c index 0c5e5b29bce4..e0af4b5716b3 100644 --- a/drivers/ata/libahci.c +++ b/drivers/ata/libahci.c @@ -552,11 +552,7 @@ void ahci_save_initial_config(struct device *dev, struct ahci_host_priv *hpriv) /* cross check port_map and cap.n_ports */ if (port_map) { - int map_ports = 0; - - for (i = 0; i < AHCI_MAX_PORTS; i++) - if (port_map & (1 << i)) - map_ports++; + int map_ports = hweight_long(port_map); /* If PI has more ports than n_ports, whine, clear * port_map and let it be generated from n_ports. |