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linux/drivers/ata
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Tejun Heo 0ee7195272 ahci: redo stopping DMA engines on empty ports 
Commit 96d60303fd (ahci: Turn off DMA engines when there's no device)
implemented stopping DMA engines on empty ports but it used single
sampling of status registers to determine device presence which led to
disabling of DMA engines on occupied ports.  Do it after all EH
actions are complete using device presence state determined by EH.
This avoids spurious disabling of DMA engines and simplifies the code.

Signed-off-by: Tejun Heo <tj@kernel.org>
Tested-by: Marc Dionne <marc.c.dionne@gmail.com>
Cc: Matthew Garrett <mjg@redhat.com>
Cc: Robert Hancock <hancockrwd@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2010-06-07 16:03:15 -04:00
..
ahci_platform.c
ahci_platform: properly set up EM messaging
2010-05-14 17:35:51 -04:00
ahci.c
ahci: EM message type auto detect
2010-05-14 17:35:51 -04:00
ahci.h
ahci: add "em_buffer" attribute for AHCI hosts
2010-05-14 17:35:51 -04:00
ata_generic.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
ata_piix.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
Kconfig
libata-sff: trivial corrections to Kconfig help text
2010-06-02 13:50:00 -04:00
libahci.c
ahci: redo stopping DMA engines on empty ports
2010-06-07 16:03:15 -04:00
libata-acpi.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
libata-core.c
libata: implement on-demand HPA unlocking
2010-06-02 13:50:10 -04:00
libata-eh.c
libata-sff: separate out BMDMA EH
2010-05-19 13:36:46 -04:00
libata-pmp.c
[libata] Disable R_OK (Early ACK) on SII 3726 PMP
2010-05-14 17:08:02 -04:00
libata-scsi.c
libata: implement on-demand HPA unlocking
2010-06-02 13:50:10 -04:00
libata-sff.c
libata-sff: make BMDMA optional
2010-05-25 19:41:12 -04:00
libata.h
libata-sff: separate out BMDMA EH
2010-05-19 13:36:46 -04:00
Makefile
libata-sff: make BMDMA optional
2010-05-25 19:41:12 -04:00
pata_acpi.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_ali.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_amd.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_artop.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_at32.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
pata_at91.c
libata-sff: clean up BMDMA initialization
2010-05-19 13:32:19 -04:00
pata_atiixp.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_atp867x.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_bf54x.c
libata-sff: ata_sff_irq_clear() is BMDMA specific
2010-05-25 19:40:19 -04:00
pata_cmd64x.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_cmd640.c
libata-sff: clean up BMDMA initialization
2010-05-19 13:32:19 -04:00
pata_cs5520.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_cs5530.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_cs5535.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_cs5536.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_cypress.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_efar.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_hpt3x2n.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_hpt3x3.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_hpt37x.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_hpt366.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_icside.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_isapnp.c
…
pata_it821x.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_it8213.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_ixp4xx_cf.c
…
pata_jmicron.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_legacy.c
…
pata_macio.c
powerpc/macio: Fix probing of macio devices by using the right of match table
2010-06-02 17:50:38 +10:00
pata_marvell.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_mpc52xx.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_mpiix.c
…
pata_netcell.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_ninja32.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_ns87410.c
…
pata_ns87415.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_octeon_cf.c
libata-sff: kill dummy BMDMA ops from sata_qstor and pata_octeon_cf
2010-05-25 19:40:45 -04:00
pata_of_platform.c
of: Remove duplicate fields from of_platform_driver
2010-05-22 00:10:40 -06:00
pata_oldpiix.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_opti.c
…
pata_optidma.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_palmld.c
…
pata_pcmcia.c
Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
2010-05-20 09:27:37 -07:00
pata_pdc202xx_old.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_pdc2027x.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_piccolo.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_platform.c
libata-sff: clean up BMDMA initialization
2010-05-19 13:32:19 -04:00
pata_qdi.c
…
pata_radisys.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_rb532_cf.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
pata_rdc.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_rz1000.c
…
pata_sc1200.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_scc.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
pata_sch.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_serverworks.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_sil680.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_sis.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_sl82c105.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_triflex.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_via.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
pata_winbond.c
…
pdc_adma.c
libata-sff: ata_sff_[dumb_]qc_prep are BMDMA specific
2010-05-19 13:36:50 -04:00
sata_fsl.c
of: Remove duplicate fields from of_platform_driver
2010-05-22 00:10:40 -06:00
sata_inic162x.c
libata-sff: clean up BMDMA initialization
2010-05-19 13:32:19 -04:00
sata_mv.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
sata_nv.c
sata_nv: don't diddle with nIEN on mcp55
2010-06-02 13:49:57 -04:00
sata_promise.c
libata-sff: prd is BMDMA specific
2010-05-19 13:38:54 -04:00
sata_promise.h
…
sata_qstor.c
libata-sff: kill dummy BMDMA ops from sata_qstor and pata_octeon_cf
2010-05-25 19:40:45 -04:00
sata_sil24.c
sata_sil24: fix kernel panic on ARM caused by unaligned access in sata_sil24
2010-06-07 16:03:13 -04:00
sata_sil.c
libata-sff: ata_sff_irq_clear() is BMDMA specific
2010-05-25 19:40:19 -04:00
sata_sis.c
libata-sff: separate out BMDMA init
2010-05-25 19:40:30 -04:00
sata_svw.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
sata_sx4.c
libata-sff: separate out BMDMA EH
2010-05-19 13:36:46 -04:00
sata_uli.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
sata_via.c
sata_via: explain the magic fix
2010-06-07 16:03:08 -04:00
sata_vsc.c
libata-sff: separate out BMDMA irq handler
2010-05-25 19:40:24 -04:00
sis.h
…