Searched hist:220657 (Results 1 - 2 of 2) sorted by relevance
| /freebsd-11-stable/sys/dev/ahci/ | ||
| H A D | ahci.h | diff 220657 Fri Apr 15 14:54:27 MDT 2011 mav Some changes around hot-plug and interface power-management: - use ATA_SE_EXCHANGED (SError.DIAG.X) bit to detect hot-plug events when power-management enabled and ATA_SE_PHY_CHANGED (SError.DIAG.N) can't be trusted; - on controllers supporting staggered spin-up (SS) put unused channels into Listen state instead of Off. It should still save some power, but allow plug-in events to be detected; - on controllers supporting cold presence detection (CPD), when power management enabled, use CPD events to detect hot-plug in addition to PHY events. |
| H A D | ahci_pci.c | diff 220657 Fri Apr 15 14:54:27 MDT 2011 mav Some changes around hot-plug and interface power-management: - use ATA_SE_EXCHANGED (SError.DIAG.X) bit to detect hot-plug events when power-management enabled and ATA_SE_PHY_CHANGED (SError.DIAG.N) can't be trusted; - on controllers supporting staggered spin-up (SS) put unused channels into Listen state instead of Off. It should still save some power, but allow plug-in events to be detected; - on controllers supporting cold presence detection (CPD), when power management enabled, use CPD events to detect hot-plug in addition to PHY events. |
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