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5b66c829bf
linux/drivers/ata
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Alan Cox 5b66c829bf ahci, pata_marvell: play nicely together 
I've been chasing Jeff about this for months.  Jeff added the Marvell
device identifiers to the ahci driver without making the AHCI driver
handle the PATA port. This means a lot of users can't use current
kernels and in most distro cases can't even install.

This has been going on since March 2008 for the 6121 Marvell, and late 2007
for the 6145!!!

This was all pointed out at the time and repeatedly ignored. Bugs assigned
to Jeff about this are ignored also.

To quote Jeff in email

> "Just switch the order of 'ahci' and 'pata_marvell' in
> /etc/modprobe.conf, then use Fedora's tools regenerate the initrd.

> See?  It's not rocket science, and the current configuration can be
> easily made to work for Fedora users."

(Which isn't trivial, isn't end user, shouldn't be needed, and as it usually
breaks at install time is in fact impossible)

To quote Jeff in August 2007

> "   mv-ahci-pata
> Marvell 6121/6141 PATA support.  Needs fixing in the 'PATA controller
> command' area before it is usable, and can go upstream."

Only he add the ids anyway later and caused regressions, adding a further
id in March causing more regresions.

The actual fix for the moment is very simple. If the user has included
the pata_marvell driver let it drive the ports. If they've only selected
for SATA support give them the AHCI driver which will run the port a fraction
faster. Allow the user to control this decision via ahci.marvell_enable as
a module parameter so that distributions can ship 'it works' defaults and
smarter users (or config tools) can then flip it over it desired.

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
2008-09-08 12:11:36 -04:00
..
ahci.c ahci, pata_marvell: play nicely together 2008-09-08 12:11:36 -04:00
ata_generic.c pata_atiixp: Don't disable 2008-05-06 11:43:44 -04:00
ata_piix.c ata_piix: IDE Mode SATA patch for Intel Ibex Peak DeviceIDs 2008-08-22 02:08:04 -04:00
Kconfig ahci, pata_marvell: play nicely together 2008-09-08 12:11:36 -04:00
libata-acpi.c libata-acpi: don't call sleeping function from invalid context 2008-07-11 09:42:03 -04:00
libata-core.c libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
libata-eh.c libata: use ata_link_printk() when printing SError 2008-08-22 02:19:44 -04:00
libata-pmp.c libata: improve EH retry delay handling 2008-07-14 15:59:32 -04:00
libata-scsi.c libata: update atapi disable handling 2008-07-31 01:47:05 -04:00
libata-sff.c libata: consistently use msecs for time durations 2008-07-14 15:59:32 -04:00
libata.h libata: update atapi disable handling 2008-07-31 01:47:05 -04:00
Makefile libata: Add Intel SCH PATA driver 2008-05-06 11:33:58 -04:00
pata_acpi.c libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
pata_ali.c pata_ali: misplaced pci_dev_put() 2008-07-31 01:38:19 -04:00
pata_amd.c ata: remove FIT() macro 2008-05-19 17:30:32 -04:00
pata_artop.c libata: rename SFF functions 2008-04-17 15:44:21 -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 libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
pata_bf54x.c libata: consistently use msecs for time durations 2008-07-14 15:59:32 -04:00
pata_cmd64x.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_cmd640.c libata: rename SFF port ops 2008-04-17 15:44:22 -04:00
pata_cs5520.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_cs5530.c libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
pata_cs5535.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_cs5536.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_cypress.c ata: remove FIT() macro 2008-05-19 17:30:32 -04:00
pata_efar.c libata: rename SFF functions 2008-04-17 15:44:21 -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 libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_it821x.c [libata] pata_it821x: fix warning 2008-08-22 02:33:23 -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 libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_legacy.c ata: endianness annotations in pata drivers 2008-07-14 15:59:33 -04:00
pata_marvell.c ahci, pata_marvell: play nicely together 2008-09-08 12:11:36 -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 libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_netcell.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_ninja32.c libata: rename SFF port ops 2008-04-17 15:44:22 -04:00
pata_ns87410.c ata: remove FIT() macro 2008-05-19 17:30:32 -04:00
pata_ns87415.c ata: remove FIT() macro 2008-05-19 17:30:32 -04:00
pata_of_platform.c Rename: linux/pata_platform.h to linux/ata_platform.h 2008-02-06 06:54:17 -05:00
pata_oldpiix.c libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
pata_opti.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_optidma.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_pcmcia.c pcmcia: add another pata/ide ID 2008-06-20 20:53:34 +02:00
pata_pdc202xx_old.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_pdc2027x.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_platform.c ATA/IDE: fix platform driver hotplug/coldplug 2008-04-25 00:45:04 -04:00
pata_qdi.c ata: endianness annotations in pata drivers 2008-07-14 15:59:33 -04:00
pata_radisys.c libata: rename SFF functions 2008-04-17 15:44:21 -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 libata: Fix a large collection of DMA mode mismatches 2008-08-22 02:27:49 -04:00
pata_scc.c libata: consistently use msecs for time durations 2008-07-14 15:59:32 -04:00
pata_sch.c libata: Add Intel SCH PATA driver 2008-05-06 11:33:58 -04:00
pata_serverworks.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_sil680.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_sis.c Added Targa Visionary 1000 IDE adapter to pata_sis.c 2008-07-11 09:38:24 -04:00
pata_sl82c105.c drivers/ata: trim trailing whitespace 2008-05-19 17:56:10 -04:00
pata_triflex.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
pata_via.c pata_via: clean up recent tf_load changes 2008-08-22 02:19:54 -04:00
pata_winbond.c ata: endianness annotations in pata drivers 2008-07-14 15:59:33 -04:00
pdc_adma.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
sata_fsl.c [libata] sata_fsl: Fix broken driver, add port multiplier (PMP) support 2008-05-30 12:39:44 -04:00
sata_inic162x.c sata_inic162x: update intro comment, up the version and drop EXPERIMENTAL 2008-05-06 11:40:57 -04:00
sata_mv.c sata_mv: add the Gen IIE flag to the SoC devices. 2008-08-22 02:19:36 -04:00
sata_nv.c sata_nv: make hardreset return -EAGAIN on success 2008-04-25 00:45:48 -04:00
sata_promise.c sata_promise: other cleanups 2008-05-19 17:31:34 -04:00
sata_promise.h libata annotations and fixes 2008-01-23 05:24:15 -05:00
sata_qstor.c libata: rename SFF functions 2008-04-17 15:44:21 -04:00
sata_sil24.c sata_sil24: add DID for another adaptec flavor 2008-07-04 09:05:43 -04:00
sata_sil.c libata: rename SFF port ops 2008-04-17 15:44:22 -04:00
sata_sis.c sata_sis: SCR accessors return -EINVAL when requested SCR isn't available 2008-04-24 23:42:47 -04:00
sata_svw.c [libata] sata_svw: update code comments relating to data corruption 2008-07-14 15:59:33 -04:00
sata_sx4.c libata: add qc_fill_rtf port operation 2008-04-17 15:44:23 -04:00
sata_uli.c sata_uli: hardreset is broken 2008-06-27 02:57:48 -04:00
sata_via.c libata: restructure SFF post-reset readiness waits 2008-04-17 15:44:22 -04:00
sata_vsc.c libata: rename SFF port ops 2008-04-17 15:44:22 -04:00
sis.h libata: PATA-mode fixes for sis_sata 2007-07-02 10:17:42 -04:00