From ad753ac2a74b1686057542f21b34dae282429ca6 Mon Sep 17 00:00:00 2001
From: Alexander Motin <mav@FreeBSD.org>
Date: Tue, 26 Jan 2010 16:05:49 +0000
Subject: [PATCH] Clear ch->devices, if hard-reset failed. This makes hot-plug
 work nicely.

HW donated by:	James R. Van Artsdalen
---
 sys/dev/ata/chipsets/ata-promise.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/sys/dev/ata/chipsets/ata-promise.c b/sys/dev/ata/chipsets/ata-promise.c
index 3dad5d01f4f4..723016eac4d0 100644
--- a/sys/dev/ata/chipsets/ata-promise.c
+++ b/sys/dev/ata/chipsets/ata-promise.c
@@ -821,7 +821,8 @@ ata_promise_mio_reset(device_t dev)
 		    device_printf(dev, "promise_mio_reset devices=%08x\n",
 		    		  ch->devices);
 
-	    }
+	    } else
+		ch->devices = 0;
 
 	    /* reset and enable plug/unplug intr */
 	    ATA_OUTL(ctlr->r_res2, 0x060, (0x00000011 << ch->unit));