svn commit: r188861 - head/sys/dev/ata/chipsets

[Alexander Motin]

Author: mav
Date: Fri Feb 20 20:20:00 2009
New Revision: 188861
URL: http://svn.freebsd.org/changeset/base/188861

Log:
  Disable port interrupts before doing PHY reset.
  PHY reset causes drive connect/disconnect events, unwanted at this moment.

Modified:
  head/sys/dev/ata/chipsets/ata-ahci.c

Modified: head/sys/dev/ata/chipsets/ata-ahci.c
==============================================================================
--- head/sys/dev/ata/chipsets/ata-ahci.c	Fri Feb 20 17:48:40 2009	(r188860)
+++ head/sys/dev/ata/chipsets/ata-ahci.c	Fri Feb 20 20:20:00 2009	(r188861)
@@ -679,6 +679,9 @@ ata_ahci_reset(device_t dev)
     u_int32_t signature;
     int offset = ch->unit << 7;
 
+    /* Disable port interrupts */
+    ATA_OUTL(ctlr->r_res2, ATA_AHCI_P_IE + offset, 0);
+
     /* setup work areas */
     work = ch->dma.work_bus + ATA_AHCI_CL_OFFSET;
     ATA_OUTL(ctlr->r_res2, ATA_AHCI_P_CLB + offset, work & 0xffffffff);