diff options
| -rw-r--r-- | sys/dev/ic/ahci.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/dev/ic/ahci.c b/sys/dev/ic/ahci.c index 43b4d1d..14dbf74 100644 --- a/sys/dev/ic/ahci.c +++ b/sys/dev/ic/ahci.c @@ -444,6 +444,12 @@ ahci_reset_port(struct hba_port *port) { uint32_t sctl, ssts; + /* + * Some odd behaviour may occur if a COMRESET is sent + * to the port while it is in an idle state... + * A workaround to this is to bring the port up + * then immediately transmit the COMRESET to the device. + */ ahci_start_port(port); sctl = mmio_read32(&port->sctl); |