freebsd-dev/sys/dev/ahci
Alexander Motin 6ddb10bd0c Process port interrupt even is PxIS register is zero.
ASMedia ASM1062 AHCI chips with some fancy firmware handling PMP inside
seems sometimes forgeting to set bits in PxIS, causing command timeouts.
Removal of this check fixes the issue by the theoretical cost of slightly
higher CPU usage in some odd cases, but this is what Linux does too.

MFC after:	1 month
2016-11-28 16:23:32 +00:00
..
ahci_generic.c Add support for a generic AHCI attachment. This allows us to attach to a 2015-12-03 11:24:11 +00:00
ahci_pci.c JMicron JMB361 has only a single SATA port 2016-08-20 09:13:14 +00:00
ahci.c Process port interrupt even is PxIS register is zero. 2016-11-28 16:23:32 +00:00
ahci.h Fix ahci(4) driver attach to controller with 32 ports. 2016-07-07 22:10:10 +00:00
ahciem.c Reduce priority of ATA/SATA drivers. 2015-03-23 19:47:52 +00:00