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Jeff Norden bce7d5e0e1 pata_it821x: fix lost interrupt with atapi devices 
Fix "lost" interrupt problem when using dma with CD/DVD drives in some
configurations.  This problem can make installing linux from media
impossible for distro's that have switched to libata-only configurations.

The simple fix is to eliminate the use of dma for reading drive status, etc,
by checking the number of bytes to transferred.

This change will only affect the behavior of atapi devices, not disks.
There is more info at http://bugzilla.redhat.com/show_bug.cgi?id=242229
This patch is for 2.6.22.1

Signed-off-by: Jeff Norden <jnorden@math.tntech.edu>
Reviewed-by: Alan Cox <alan@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
2007-09-10 21:53:00 -04:00
..
ahci.c The SATA controller device ID is different according to 2007-07-20 08:07:46 -04:00
ata_generic.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
ata_piix.c [libata] ata_piix: properly terminate DMI system list 2007-09-01 06:48:52 -04:00
Kconfig pata_hpt3x3: major reworking and testing 2007-07-10 21:30:33 -04:00
libata-acpi.c libata-acpi: implement _GTM/_STM support 2007-07-09 12:17:32 -04:00
libata-core.c libata: implement BROKEN_HPA horkage and apply it to affected drives 2007-08-31 04:21:13 -04:00
libata-eh.c libata: implement EH fast drain 2007-07-20 08:26:26 -04:00
libata-scsi.c [BLOCK] Get rid of request_queue_t typedef 2007-07-24 09:28:11 +02:00
libata-sff.c libata-sff; Unbreak non DMA capable controllers again 2007-08-01 10:00:56 -04:00
libata.h libata: implement EH fast drain 2007-07-20 08:26:26 -04:00
Makefile libata-acpi: s/CONFIG_SATA_ACPI/CONFIG_ATA_ACPI/ 2007-05-11 18:12:42 -04:00
pata_ali.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_amd.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_artop.c pata_artop: fix UDMA5 for AEC6280[R] and UDMA6 for AEC6880[R] 2007-08-15 04:17:14 -04:00
pata_atiixp.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_cmd64x.c pata_cmd64x: Correct the speed ranges 2007-08-01 10:00:56 -04:00
pata_cmd640.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_cs5520.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_cs5530.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_cs5535.c [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info 2007-07-09 12:17:35 -04:00
pata_cypress.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_efar.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_hpt3x2n.c pata_hpt{37x|3x2n}: fix clock reporting (take 2) 2007-08-15 04:19:07 -04:00
pata_hpt3x3.c pata_hpt3x3: fix DMA Kconfig option to actually have a hope of working 2007-07-10 21:36:13 -04:00
pata_hpt37x.c pata_hpt{37x|3x2n}: fix clock reporting (take 2) 2007-08-15 04:19:07 -04:00
pata_hpt366.c [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info 2007-07-09 12:17:35 -04:00
pata_icside.c [ARM] pata_icside: fix the FIXMEs 2007-08-06 16:10:54 +01:00
pata_isapnp.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_it821x.c pata_it821x: fix lost interrupt with atapi devices 2007-09-10 21:53:00 -04:00
pata_it8213.c [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info 2007-07-09 12:17:35 -04:00
pata_ixp4xx_cf.c [libata] pata_ixp4xx: kill unused var 2007-07-09 12:17:34 -04:00
pata_jmicron.c [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info 2007-07-09 12:17:35 -04:00
pata_legacy.c libata: bump versions 2007-05-21 20:26:38 -04:00
pata_marvell.c pata_marvell: Add more identifiers 2007-08-31 04:00:19 -04:00
pata_mpc52xx.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_mpiix.c libata: reimplement suspend/resume support using sdev->manage_start_stop 2007-05-11 18:01:03 -04:00
pata_netcell.c [libata] Use ATA_UDMAx standard masks when filling driver's udma_mask info 2007-07-09 12:17:35 -04:00
pata_ns87410.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_oldpiix.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_opti.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_optidma.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_pcmcia.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_pdc202xx_old.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_pdc2027x.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_platform.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_qdi.c libata: bump versions 2007-05-21 20:26:38 -04:00
pata_radisys.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_rz1000.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_sc1200.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_scc.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_serverworks.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_sil680.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_sis.c pata_sis: Add the FSC Amilo and friends 2007-08-23 05:32:07 -04:00
pata_sl82c105.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
pata_triflex.c [libata] PATA drivers: remove ATA_FLAG_SRST 2007-07-09 12:17:32 -04:00
pata_via.c Fix broken pata_via cable detection 2007-09-10 21:50:24 -04:00
pata_winbond.c libata: bump versions 2007-05-21 20:26:38 -04:00
pdc_adma.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_inic162x.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_mv.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_nv.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_promise.c sata_promise: FastTrack TX4200 is a second-generation chip 2007-08-31 04:14:44 -04:00
sata_promise.h Move libata to drivers/ata. 2006-08-10 07:31:37 -04:00
sata_qstor.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_sil.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_sil24.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_sis.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_svw.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_sx4.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_uli.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sata_via.c Fix sata_via write errors on PATA drive connected to VT6421 2007-09-01 06:52:18 -04:00
sata_vsc.c [libata] Bump driver versions 2007-08-31 04:54:06 -04:00
sis.h libata: PATA-mode fixes for sis_sata 2007-07-02 10:17:42 -04:00