Date: Thu, 18 Nov 2010 11:58:17 +0000 (UTC) From: Alexander Motin <mav@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r215453 - head/sys/dev/ata Message-ID: <201011181158.oAIBwHpA029525@svn.freebsd.org>
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Author: mav Date: Thu Nov 18 11:58:17 2010 New Revision: 215453 URL: http://svn.freebsd.org/changeset/base/215453 Log: Even if we are skipping SATA hard reset - set power management bits in SControl register. This should make things consistent and help to avoid unexpected PHY events that I've noticed in some cases on VIA controllers. Modified: head/sys/dev/ata/ata-sata.c Modified: head/sys/dev/ata/ata-sata.c ============================================================================== --- head/sys/dev/ata/ata-sata.c Thu Nov 18 11:19:23 2010 (r215452) +++ head/sys/dev/ata/ata-sata.c Thu Nov 18 11:58:17 2010 (r215453) @@ -153,8 +153,12 @@ ata_sata_phy_reset(device_t dev, int por if (quick) { if (ata_sata_scr_read(ch, port, ATA_SCONTROL, &val)) return (0); - if ((val & ATA_SC_DET_MASK) == ATA_SC_DET_IDLE) + if ((val & ATA_SC_DET_MASK) == ATA_SC_DET_IDLE) { + ata_sata_scr_write(ch, port, ATA_SCONTROL, + ATA_SC_DET_IDLE | ((ch->pm_level > 0) ? 0 : + ATA_SC_IPM_DIS_PARTIAL | ATA_SC_IPM_DIS_SLUMBER)); return ata_sata_connect(ch, port, quick); + } } if (bootverbose) {
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