# cvs diff -u ahci.c
Index: ahci.c
===================================================================
RCS file: /cvs/src/sys/dev/pci/ahci.c,v
retrieving revision 1.136
diff -u -r1.136 ahci.c
--- ahci.c      28 Nov 2007 16:01:34 -0000      1.136
+++ ahci.c      30 Mar 2008 17:37:24 -0000
@@ -1143,7 +1143,8 @@
 ahci_port_stop(struct ahci_port *ap, int stop_fis_rx)
 {
        u_int32_t                       r;
-
+       static u_int64_t ahci_pstop_cnt = 0;
+       
 #ifdef AHCI_COALESCE
        /* Disable coalescing on the port while it is stopped. */
        if (ap->ap_sc->sc_ccc_ports & (1 << ap->ap_num)) {
@@ -1164,9 +1165,13 @@
        if (ahci_pwait_clr(ap, AHCI_PREG_CMD, AHCI_PREG_CMD_CR))
                return (1);
 
-       /* Wait for FR to go off */
-       if (stop_fis_rx && ahci_pwait_clr(ap, AHCI_PREG_CMD, AHCI_PREG_CMD_FR))
-               return (2);
+       ahci_pstop_cnt++;
+       
+       if (!(ap->ap_sc->sc_flags & AHCI_F_IGN_FR)) {
+               /* Wait for FR to come on */
+               if (ahci_pwait_set(ap, AHCI_PREG_CMD, AHCI_PREG_CMD_FR))
+                       return (2);
+       }
 
        return (0);
 }