[src/trunk]: src/sys/dev/ic Increase reset delay in polling mode to 10ms per ...

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/fafdbee82930
branches:  trunk
changeset: 334740:fafdbee82930
user:      joerg <joerg%NetBSD.org@localhost>
date:      Thu Dec 04 21:50:29 2014 +0000

description:
Increase reset delay in polling mode to 10ms per loop. It seems like
AHCI on the Cubietruck doesn't like the tigther loop.

PR 49448.

diffstat:

 sys/dev/ic/ahcisata_core.c |  10 ++++++----
 1 files changed, 6 insertions(+), 4 deletions(-)

diffs (41 lines):

diff -r b5a089150bce -r fafdbee82930 sys/dev/ic/ahcisata_core.c
--- a/sys/dev/ic/ahcisata_core.c        Thu Dec 04 21:15:48 2014 +0000
+++ b/sys/dev/ic/ahcisata_core.c        Thu Dec 04 21:50:29 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ahcisata_core.c,v 1.52 2014/11/23 01:38:49 joerg Exp $ */
+/*     $NetBSD: ahcisata_core.c,v 1.53 2014/12/04 21:50:29 joerg Exp $ */
 
 /*
  * Copyright (c) 2006 Manuel Bouyer.
@@ -26,7 +26,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.52 2014/11/23 01:38:49 joerg Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ahcisata_core.c,v 1.53 2014/12/04 21:50:29 joerg Exp $");
 
 #include <sys/types.h>
 #include <sys/malloc.h>
@@ -639,10 +639,12 @@
        /*
         * Base timeout is specified in ms.
         * If we are allowed to sleep, wait a tick each round.
-        * Otherwise delay for 1ms on each round.
+        * Otherwise delay for 10ms on each round.
         */
        if (flags & AT_WAIT)
                timeout = MAX(1, mstohz(timeout));
+       else
+               timeout = timeout / 10;
 
        AHCI_CMDH_SYNC(sc, achp, 0, BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
        /* start command */
@@ -669,7 +671,7 @@
                if (flags & AT_WAIT)
                        tsleep(&sc, PRIBIO, "ahcifis", 1);
                else
-                       delay(1000);
+                       delay(10000);
        }
 
        aprint_debug("%s channel %d: timeout sending FIS\n",