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linux/drivers/ata
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Tejun Heo 19b723218b libata: fix last_reset timestamp handling 
ehc->last_reset is used to ensure that resets are not issued too
close to each other.  It's initialized to jiffies minus one minute
on EH entry.  However, when new links are initialized after PMP is
probed, new links have zero for this timestamp resulting in long wait
depending on the current jiffies.

This patch makes last_set considered iff ATA_EHI_DID_RESET is set, in
which case last_reset is always initialized.  As an added precaution,
WARN_ON() is added so that warning is printed if last_reset is
in future.

This problem is spotted and debugged by Shane Huang.

Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Shane Huang <Shane.Huang@amd.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-11-11 03:01:21 -05:00
..
ahci.c libata: ahci enclosure management bit mask 2008-10-28 00:37:15 -04:00
ata_generic.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
ata_piix.c ATA: remove excess kernel-doc notation 2008-10-31 01:42:49 -04:00
Kconfig Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6 2008-10-11 12:39:35 -07:00
libata-acpi.c dock: introduce .uevent for devices in dock, eg libata 2008-09-23 23:23:00 -04:00
libata-core.c libata: Avoid overflow in ata_tf_read_block() when tf->hba_lbal > 127 2008-11-11 02:59:27 -05:00
libata-eh.c libata: fix last_reset timestamp handling 2008-11-11 03:01:21 -05:00
libata-pmp.c libata: improve EH retry delay handling 2008-07-14 15:59:32 -04:00
libata-scsi.c libata: revert convert-to-block-tagging patches 2008-11-10 08:04:47 -08:00
libata-sff.c libata-sff: fix ata_sff_post_internal_cmd() 2008-10-22 20:40:15 -04:00
libata.h libata: revert convert-to-block-tagging patches 2008-11-10 08:04:47 -08:00
Makefile libata: Add Intel SCH PATA driver 2008-05-06 11:33:58 -04:00
pata_acpi.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_ali.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_amd.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_artop.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_at32.c avr32: Use <mach/foo.h> instead of <asm/arch/foo.h> 2008-08-05 14:36:57 +02:00
pata_atiixp.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_bf54x.c [libata] pata_bf54x: Add proper PM operation 2008-09-29 00:28:29 -04:00
pata_cmd64x.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_cmd640.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_cs5520.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_cs5530.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_cs5535.c [libata] pata_cs553*.c: cleanup kernel-doc 2008-11-11 02:58:30 -05:00
pata_cs5536.c [libata] pata_cs553*.c: cleanup kernel-doc 2008-11-11 02:58:30 -05:00
pata_cypress.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_efar.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_hpt3x2n.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_hpt3x3.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_hpt37x.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_hpt366.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_icside.c libata-sff: Fix oops reported in kerneloops.org for pnp devices with no ctl 2008-06-04 06:40:41 -04:00
pata_isapnp.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_it821x.c libata: Fix LBA48 on pata_it821x RAID volumes. 2008-10-27 23:56:33 -04:00
pata_it8213.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_ixp4xx_cf.c [ARM] 5179/1: Replace obsolete IRQT_* and __IRQT_* values with IRQ_TYPE_* 2008-07-27 09:46:18 +01:00
pata_jmicron.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_legacy.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_marvell.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_mpc52xx.c powerpc/pata_mpc52xx: use linux/of_platform.h instead of asm 2008-07-12 12:10:52 -06:00
pata_mpiix.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_netcell.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_ninja32.c pata_ninja32: suspend/resume support 2008-10-28 00:35:59 -04:00
pata_ns87410.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_ns87415.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_of_platform.c powerpc: Fix no interrupt handling in pata_of_platform 2008-10-10 15:55:17 +11:00
pata_oldpiix.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_opti.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_optidma.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_pcmcia.c [libata] pata_pcmcia: another memory card support 2008-11-11 02:59:13 -05:00
pata_pdc202xx_old.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_pdc2027x.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_platform.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_qdi.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_radisys.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_rb532_cf.c libata-sff: Fix oops reported in kerneloops.org for pnp devices with no ctl 2008-06-04 06:40:41 -04:00
pata_rz1000.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_sc1200.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_scc.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_sch.c [libata] pata_sch: notice attached slave devices 2008-11-11 02:58:59 -05:00
pata_serverworks.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_sil680.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_sis.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_sl82c105.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_triflex.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_via.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pata_winbond.c ata: Switch all my stuff to a common address 2008-10-27 23:54:50 -04:00
pdc_adma.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
sata_fsl.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_inic162x.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_mv.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_nv.c sata_nv: fix generic, nf2/3 detection regression 2008-11-04 01:08:11 -05:00
sata_promise.c sata_promise: add ATA engine reset to reset ops 2008-11-04 01:08:03 -05:00
sata_promise.h libata annotations and fixes 2008-01-23 05:24:15 -05:00
sata_qstor.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_sil24.c sata_sil24: configure max read request size to 4k 2008-10-27 23:55:27 -04:00
sata_sil.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_sis.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_svw.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_sx4.c libata: add qc_fill_rtf port operation 2008-04-17 15:44:23 -04:00
sata_uli.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sata_via.c sata_via: restore vt*_prepare_host error handling 2008-11-04 01:08:06 -05:00
sata_vsc.c libata: make SCR access ops per-link 2008-09-29 00:22:28 -04:00
sis.h libata: PATA-mode fixes for sis_sata 2007-07-02 10:17:42 -04:00