Tejun Heo 9b89391cc8 libata: improve 0xff status handling ... For PATA, 0xff status indicates empty port. For SATA, it depends on how the controller emulates status register. On some controllers, 0xff is used to represent broken link or certain stage during reset. libata currently deals SATA the same. This hasn't caused any problem because problematic situations usually only occur after hotplug or other link disruption events and libata blindly waited for the device to spin up and settle after hotplug giving the link and device whatever time to go through those stages. libata is going to replace unconditional spinup wait with generic timed sequence of resets, so not only getting 0xff handling right for SATA is, well, the right thing to do, it's much more important now. This patch makes the following changes. * Make ata_bus_softreset() return -ENODEV if any of its wait fails due to 0xff status. * Fail soft/hardreset if status wait returns -ENODEV indicating 0xff status while SStatus says the link is online. e.g. Reset fails if status is 0xff after reset when SStatus reports the linke is online. If SCR registers are not available, everything is the same as before. Signed-off-by: Tejun Heo <htejun@gmail.com> Signed-off-by: Jeff Garzik <jeff@garzik.org>		2007-05-01 07:49:54 -04:00
..
ahci.c	libata: improve 0xff status handling	2007-05-01 07:49:54 -04:00
ata_generic.c	pata: cable methods	2007-04-28 14:16:01 -04:00
ata_piix.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
Kconfig	libata/IDE: remove combined mode quirk	2007-04-28 14:15:59 -04:00
libata-acpi.c	[libata] Disable ACPI by default; fix namespace problems	2007-03-28 01:57:37 -04:00
libata-core.c	libata: improve 0xff status handling	2007-05-01 07:49:54 -04:00
libata-eh.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
libata-scsi.c	libata: separate out ata_host_alloc() and ata_host_register()	2007-04-28 14:16:03 -04:00
libata-sff.c	libata: honour host controllers that want just one host	2007-04-30 17:43:48 -07:00
libata.h	libata: kill probe_ent and related helpers	2007-04-28 14:16:06 -04:00
Makefile	pata_cmd640: CMD640 PCI support	2007-04-28 14:15:55 -04:00
pata_ali.c	pata_ali: remove all the crap again and switch to cable_detect method	2007-04-28 14:16:00 -04:00
pata_amd.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_artop.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_atiixp.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_cmd64x.c	[libata] More PATA driver ->cable_detect support	2007-04-28 14:15:57 -04:00
pata_cmd640.c	drivers/ata/pata_cmd640.c: fix build with CONFIG_PM=n	2007-04-28 15:16:40 -04:00
pata_cs5520.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_cs5530.c	[libata] More PATA driver ->cable_detect support	2007-04-28 14:15:57 -04:00
pata_cs5535.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_cypress.c	pata: cable methods	2007-04-28 14:16:01 -04:00
pata_efar.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_hpt3x2n.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_hpt3x3.c	[libata] More PATA driver ->cable_detect support	2007-04-28 14:15:57 -04:00
pata_hpt37x.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_hpt366.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_isapnp.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_it821x.c	[libata] Update several PATA drivers for new ->cable_detect hook	2007-04-28 14:15:56 -04:00
pata_it8213.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_ixp4xx_cf.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_jmicron.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_legacy.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_marvell.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_mpc52xx.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_mpiix.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_netcell.c	pata_netcell: re-remove all the crud	2007-04-28 14:16:00 -04:00
pata_ns87410.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_oldpiix.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_opti.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_optidma.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_pcmcia.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_pdc202xx_old.c	[libata] Update several PATA drivers for new ->cable_detect hook	2007-04-28 14:15:56 -04:00
pata_pdc2027x.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_platform.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_qdi.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_radisys.c	pata_radisys: support cable_detect	2007-04-28 14:15:57 -04:00
pata_rz1000.c	pata_rz1000: support cable_detect	2007-04-28 14:15:57 -04:00
pata_sc1200.c	pata_sc1200: restore cable type	2007-04-28 14:15:57 -04:00
pata_scc.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
pata_serverworks.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_sil680.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_sis.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_sl82c105.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_triflex.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_via.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
pata_winbond.c	SPIN_LOCK_UNLOCKED cleanup in drivers/ata/pata_winbond.c	2007-04-28 15:16:40 -04:00
pdc_adma.c	libata: convert the remaining PATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_inic162x.c	libata: improve 0xff status handling	2007-05-01 07:49:54 -04:00
sata_mv.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_nv.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
sata_promise.c	libata: convert drivers with combined SATA/PATA ports to new init model	2007-04-28 14:16:03 -04:00
sata_promise.h	Move libata to drivers/ata.	2006-08-10 07:31:37 -04:00
sata_qstor.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_sil24.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
sata_sil.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_sis.c	libata: convert ata_pci_init_native_mode() users to new init model	2007-04-28 14:16:03 -04:00
sata_svw.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_sx4.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sata_uli.c	libata: convert ata_pci_init_native_mode() users to new init model	2007-04-28 14:16:03 -04:00
sata_via.c	libata: add deadline support to prereset and reset methods	2007-05-01 07:49:53 -04:00
sata_vsc.c	libata: convert the remaining SATA drivers to new init model	2007-04-28 14:16:06 -04:00
sis.h	SiS warning fixes	2007-02-21 04:58:17 -05:00