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7a3bc2b398
linux/drivers/ata
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Niklas Cassel 7a3bc2b398 ata: libata-eh: do not thaw the port twice in ata_eh_reset() 
commit 1e641060c4 ("libata: clear eh_info on reset completion") added
a workaround that broke the retry mechanism in ATA EH.

Tejun himself suggested to remove this workaround when it was identified
to cause additional problems:
https://lore.kernel.org/linux-ide/20110426135027.GI878@htj.dyndns.org/

He even said:
"Hmm... it seems I wasn't thinking straight when I added that work around."
https://lore.kernel.org/linux-ide/20110426155229.GM878@htj.dyndns.org/

While removing the workaround solved the issue, however, the workaround was
kept to avoid "spurious hotplug events during reset", and instead another
workaround was added on top of the existing workaround in commit
8c56cacc72 ("libata: fix unexpectedly frozen port after ata_eh_reset()").

Because these IRQs happened when the port was frozen, we know that they
were actually a side effect of PxIS and IS.IPS(x) not being cleared before
the COMRESET. This is now done in commit 94152042eaa9 ("ata: libahci: clear
pending interrupt status"), so these workarounds can now be removed.

Since commit 1e641060c4 ("libata: clear eh_info on reset completion") has
now been reverted, the ATA EH retry mechanism is functional again, so there
is once again no need to thaw the port more than once in ata_eh_reset().

This reverts "the workaround on top of the workaround" introduced in commit
8c56cacc72 ("libata: fix unexpectedly frozen port after ata_eh_reset()").

Signed-off-by: Niklas Cassel <niklas.cassel@wdc.com>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
2023-09-16 21:11:28 +09:00
..
pata_parport ata: pata_parport: Fix code style issues 2023-09-15 11:37:30 +09:00
acard-ahci.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
ahci_brcm.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
ahci_ceva.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
ahci_da850.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
ahci_dm816.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
ahci_dwc.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
ahci_imx.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
ahci_mtk.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
ahci_mvebu.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
ahci_octeon.c ata: ahci_octeon: Convert to devm_platform_ioremap_resource() 2023-08-02 17:37:06 +09:00
ahci_platform.c driver core changes for 6.5-rc1 2023-07-03 12:56:23 -07:00
ahci_qoriq.c ata: fix debounce timings type 2023-08-02 17:37:06 +09:00
ahci_seattle.c ata: ahci_seattle: Convert to devm_platform_ioremap_resource() 2023-08-02 17:37:06 +09:00
ahci_st.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
ahci_sunxi.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
ahci_tegra.c ata: ahci_tegra: Convert to devm_platform_ioremap_resource() 2023-08-02 17:37:06 +09:00
ahci_xgene.c ata: ahci_xgene: fix parameter types of xgene_ahci_poll_reg_val() 2023-08-02 17:37:07 +09:00
ahci.c ata: libata: disallow dev-initiated LPM transitions to unsupported states 2023-09-11 15:09:11 +09:00
ahci.h scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
ata_generic.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
ata_piix.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
Kconfig ahci: qoriq: Add platform dependencies 2023-03-23 10:29:26 +09:00
libahci_platform.c ata: Explicitly include correct DT includes 2023-08-02 17:37:05 +09:00
libahci.c ata: libahci: clear pending interrupt status 2023-09-15 11:34:31 +09:00
libata-acpi.c ata: make use of ata_port_is_frozen() helper 2022-10-18 13:53:27 +09:00
libata-core.c ata: libata-core: Disable NCQ_TRIM on Micron 1100 drives 2023-09-02 12:04:51 +09:00
libata-eh.c ata: libata-eh: do not thaw the port twice in ata_eh_reset() 2023-09-16 21:11:28 +09:00
libata-pata-timings.c ata: separate PATA timings code from libata-core.c 2020-03-26 10:28:19 -06:00
libata-pmp.c ata: libata: add tracepoints for ATA error handling 2022-01-05 19:33:01 +09:00
libata-sata.c ata: libata: disallow dev-initiated LPM transitions to unsupported states 2023-09-11 15:09:11 +09:00
libata-scsi.c SCSI misc on 20230909 2023-09-09 12:01:33 -07:00
libata-sff.c ata: libata: remove references to non-existing error_handler() 2023-08-02 17:45:10 +09:00
libata-trace.c ata: scsi: rename flag ATA_QCFLAG_FAILED to ATA_QCFLAG_EH 2023-01-04 13:36:26 +09:00
libata-transport.c ata: libata-transport: fix error handling in ata_tdev_add() 2022-11-11 17:26:05 +09:00
libata-transport.h
libata-zpodd.c libata: zpodd: Fix small read overflow in zpodd_get_mech_type() 2019-07-29 16:00:14 -06:00
libata.h ata: libata-core: remove ata_bus_probe() 2023-08-02 17:45:36 +09:00
Makefile ATA changes for 6.3-rc1 2023-02-22 13:35:51 -08:00
pata_acpi.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ali.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_amd.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_arasan_cf.c ata: pata_arasan_cf: Convert to platform remove callback returning void 2023-08-02 17:53:09 +09:00
pata_artop.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_atiixp.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_atp867x.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_buddha.c ata: pata_buddha: Remove #include <asm/ide.h> 2023-08-24 08:09:59 +09:00
pata_cmd64x.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cmd640.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cs5520.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cs5530.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cs5535.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cs5536.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_cypress.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_efar.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ep93xx.c ata: pata_ep93xx: use soc_device_match for UDMA modes 2023-08-25 22:09:43 +09:00
pata_falcon.c ata: pata_falcon: add data_swab option to byte-swap disk data 2023-08-28 19:14:41 +09:00
pata_ftide010.c ata: pata_ftide010: Add missing MODULE_DESCRIPTION 2023-08-25 08:21:03 +09:00
pata_gayle.c ata: pata_gayle: Remove #include <asm/ide.h> 2023-08-24 08:09:59 +09:00
pata_hpt3x2n.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_hpt3x3.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_hpt37x.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_hpt366.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_icside.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_imx.c ata: pata_imx: Use helper function devm_clk_get_enabled() 2023-08-17 07:45:32 +09:00
pata_isapnp.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_it821x.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_it8213.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ixp4xx_cf.c ata: pata_ixp4xx: Remove unnecessary return value check 2023-08-02 17:37:06 +09:00
pata_jmicron.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_legacy.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_macio.c SCSI misc on 20230426 2023-04-26 15:39:25 -07:00
pata_marvell.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_mpc52xx.c ata: pata_mpc52xx: Convert to platform remove callback returning void 2023-08-02 17:55:49 +09:00
pata_mpiix.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_netcell.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ninja32.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ns87410.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_ns87415.c ata: pata_ns87415: mark ns87560_tf_read static 2023-07-28 08:52:42 +09:00
pata_octeon_cf.c ata: pata_octeon_cf: fix error return code in octeon_cf_probe() 2023-07-26 08:32:21 +09:00
pata_of_platform.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
pata_oldpiix.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_opti.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_optidma.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_pcmcia.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_pdc202xx_old.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_pdc2027x.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_piccolo.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_platform.c ata: libata: Make ata_platform_remove_one return void 2023-05-15 06:49:39 +09:00
pata_pxa.c ata: pata_pxa: Convert to platform remove callback returning void 2023-08-02 17:55:52 +09:00
pata_radisys.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_rb532_cf.c ata: pata_rb532_cf: Convert to platform remove callback returning void 2023-08-02 17:55:52 +09:00
pata_rdc.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_rz1000.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_sc1200.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_sch.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_serverworks.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_sil680.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_sis.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_sl82c105.c ata: libata: remove deprecated EH callbacks 2023-08-02 17:45:42 +09:00
pata_triflex.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pata_via.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
pdc_adma.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_dwc_460ex.c ata: sata_dwc_460ex: Convert to platform remove callback returning void 2023-08-02 17:55:52 +09:00
sata_fsl.c ata: sata_fsl: Convert to platform remove callback returning void 2023-08-02 17:55:52 +09:00
sata_gemini.c ata: sata_gemini: Add missing MODULE_DESCRIPTION 2023-08-25 08:21:29 +09:00
sata_gemini.h
sata_highbank.c ata: fix debounce timings type 2023-08-02 17:37:06 +09:00
sata_inic162x.c ata: fix debounce timings type 2023-08-02 17:37:06 +09:00
sata_mv.c ata: sata_mv: Fix incorrect string length computation in mv_dump_mem() 2023-09-11 15:13:35 +09:00
sata_nv.c ata: fix debounce timings type 2023-08-02 17:37:06 +09:00
sata_promise.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_promise.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 18 2019-05-21 11:28:46 +02:00
sata_qstor.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_rcar.c ata: sata_rcar: Convert to platform remove callback returning void 2023-08-02 17:55:52 +09:00
sata_sil.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_sil24.c ata: sata_sil24: fix parameter type of sil24_exec_polled_cmd() 2023-08-02 17:37:07 +09:00
sata_sis.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_svw.c ata: Use of_property_read_reg() to parse "reg" 2023-06-13 15:38:48 +09:00
sata_sx4.c ata: sata_sx4: drop already completed TODO 2023-08-02 17:45:33 +09:00
sata_uli.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_via.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sata_vsc.c scsi: ata: Declare SCSI host templates const 2023-03-24 19:19:19 -04:00
sis.h