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authormav <mav@FreeBSD.org>2011-01-26 06:37:51 +0000
committermav <mav@FreeBSD.org>2011-01-26 06:37:51 +0000
commit36a124cfce9d4580bc5f356ddb1207eb50950573 (patch)
tree40f5f7f3fa57666ef76ead06590d3b180897fb64 /sys/cam
parenta553f5bca5636375477f3d88822ed41b34867fba (diff)
downloadFreeBSD-src-36a124cfce9d4580bc5f356ddb1207eb50950573.zip
FreeBSD-src-36a124cfce9d4580bc5f356ddb1207eb50950573.tar.gz
Make device initialization sequence shorter when possible. Do not enable/
disable already enabled/disabled SATA features.
Diffstat (limited to 'sys/cam')
-rw-r--r--sys/cam/ata/ata_xpt.c12
1 files changed, 9 insertions, 3 deletions
diff --git a/sys/cam/ata/ata_xpt.c b/sys/cam/ata/ata_xpt.c
index e20159c..5a50b12 100644
--- a/sys/cam/ata/ata_xpt.c
+++ b/sys/cam/ata/ata_xpt.c
@@ -988,7 +988,9 @@ noerror:
cts.xport_specific.sata.valid = CTS_SATA_VALID_CAPS;
xpt_action((union ccb *)&cts);
softc->caps = caps;
- if (ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) {
+ if ((ident_buf->satasupport & ATA_SUPPORT_IFPWRMNGT) &&
+ (!(softc->caps & CTS_SATA_CAPS_H_PMREQ)) !=
+ (!(ident_buf->sataenabled & ATA_SUPPORT_IFPWRMNGT))) {
PROBE_SET_ACTION(softc, PROBE_SETPM);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
@@ -997,7 +999,9 @@ noerror:
/* FALLTHROUGH */
case PROBE_SETPM:
if (ident_buf->satacapabilities != 0xffff &&
- ident_buf->satacapabilities & ATA_SUPPORT_DAPST) {
+ (ident_buf->satacapabilities & ATA_SUPPORT_DAPST) &&
+ (!(softc->caps & CTS_SATA_CAPS_H_APST)) !=
+ (!(ident_buf->sataenabled & ATA_ENABLED_DAPST))) {
PROBE_SET_ACTION(softc, PROBE_SETAPST);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
@@ -1005,7 +1009,9 @@ noerror:
}
/* FALLTHROUGH */
case PROBE_SETAPST:
- if (ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) {
+ if ((ident_buf->satasupport & ATA_SUPPORT_AUTOACTIVATE) &&
+ (!(softc->caps & CTS_SATA_CAPS_H_DMAAA)) !=
+ (!(ident_buf->sataenabled & ATA_SUPPORT_AUTOACTIVATE))) {
PROBE_SET_ACTION(softc, PROBE_SETDMAAA);
xpt_release_ccb(done_ccb);
xpt_schedule(periph, priority);
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