diff options
37 files changed, 186 insertions, 502 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index dacb3ef..3efa990 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -252,9 +252,18 @@ static void ahci_freeze(struct ata_port *ap); static void ahci_thaw(struct ata_port *ap); static void ahci_pmp_attach(struct ata_port *ap); static void ahci_pmp_detach(struct ata_port *ap); +static int ahci_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int ahci_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int ahci_p5wdh_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static void ahci_postreset(struct ata_link *link, unsigned int *class); +static int ahci_pmp_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static void ahci_error_handler(struct ata_port *ap); -static void ahci_vt8251_error_handler(struct ata_port *ap); -static void ahci_p5wdh_error_handler(struct ata_port *ap); static void ahci_post_internal_cmd(struct ata_queued_cmd *qc); static int ahci_port_resume(struct ata_port *ap); static void ahci_dev_config(struct ata_device *dev); @@ -293,6 +302,10 @@ static struct ata_port_operations ahci_ops = { .freeze = ahci_freeze, .thaw = ahci_thaw, + .softreset = ahci_softreset, + .hardreset = ahci_hardreset, + .postreset = ahci_postreset, + .pmp_softreset = ahci_pmp_softreset, .error_handler = ahci_error_handler, .post_internal_cmd = ahci_post_internal_cmd, .dev_config = ahci_dev_config, @@ -314,12 +327,12 @@ static struct ata_port_operations ahci_ops = { static struct ata_port_operations ahci_vt8251_ops = { .inherits = &ahci_ops, - .error_handler = ahci_vt8251_error_handler, + .hardreset = ahci_vt8251_hardreset, }; static struct ata_port_operations ahci_p5wdh_ops = { .inherits = &ahci_ops, - .error_handler = ahci_p5wdh_error_handler, + .hardreset = ahci_p5wdh_hardreset, }; #define AHCI_HFLAGS(flags) .private_data = (void *)(flags) @@ -1796,37 +1809,7 @@ static void ahci_error_handler(struct ata_port *ap) ahci_start_engine(ap); } - /* perform recovery */ - sata_pmp_do_eh(ap, ata_std_prereset, ahci_softreset, - ahci_hardreset, ahci_postreset, - sata_pmp_std_prereset, ahci_pmp_softreset, - sata_pmp_std_hardreset, sata_pmp_std_postreset); -} - -static void ahci_vt8251_error_handler(struct ata_port *ap) -{ - if (!(ap->pflags & ATA_PFLAG_FROZEN)) { - /* restart engine */ - ahci_stop_engine(ap); - ahci_start_engine(ap); - } - - /* perform recovery */ - ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_vt8251_hardreset, - ahci_postreset); -} - -static void ahci_p5wdh_error_handler(struct ata_port *ap) -{ - if (!(ap->pflags & ATA_PFLAG_FROZEN)) { - /* restart engine */ - ahci_stop_engine(ap); - ahci_start_engine(ap); - } - - /* perform recovery */ - ata_do_eh(ap, ata_std_prereset, ahci_softreset, ahci_p5wdh_hardreset, - ahci_postreset); + sata_pmp_error_handler(ap); } static void ahci_post_internal_cmd(struct ata_queued_cmd *qc) diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index bb46b61..eafb984 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -162,15 +162,16 @@ struct piix_host_priv { static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -static void piix_pata_error_handler(struct ata_port *ap); +static int piix_pata_prereset(struct ata_link *link, unsigned long deadline); static void piix_set_piomode(struct ata_port *ap, struct ata_device *adev); static void piix_set_dmamode(struct ata_port *ap, struct ata_device *adev); static void ich_set_dmamode(struct ata_port *ap, struct ata_device *adev); static int ich_pata_cable_detect(struct ata_port *ap); static u8 piix_vmw_bmdma_status(struct ata_port *ap); +static int piix_sidpr_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static int piix_sidpr_scr_read(struct ata_port *ap, unsigned int reg, u32 *val); static int piix_sidpr_scr_write(struct ata_port *ap, unsigned int reg, u32 val); -static void piix_sidpr_error_handler(struct ata_port *ap); #ifdef CONFIG_PM static int piix_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg); static int piix_pci_device_resume(struct pci_dev *pdev); @@ -299,7 +300,7 @@ static struct ata_port_operations piix_pata_ops = { .cable_detect = ata_cable_40wire, .set_piomode = piix_set_piomode, .set_dmamode = piix_set_dmamode, - .error_handler = piix_pata_error_handler, + .prereset = piix_pata_prereset, }; static struct ata_port_operations piix_vmw_ops = { @@ -319,9 +320,9 @@ static struct ata_port_operations piix_sata_ops = { static struct ata_port_operations piix_sidpr_sata_ops = { .inherits = &piix_sata_ops, + .hardreset = piix_sidpr_hardreset, .scr_read = piix_sidpr_scr_read, .scr_write = piix_sidpr_scr_write, - .error_handler = piix_sidpr_error_handler, }; static const struct piix_map_db ich5_map_db = { @@ -645,12 +646,6 @@ static int piix_pata_prereset(struct ata_link *link, unsigned long deadline) return ata_std_prereset(link, deadline); } -static void piix_pata_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, piix_pata_prereset, ata_std_softreset, NULL, - ata_std_postreset); -} - /** * piix_set_piomode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring @@ -1057,12 +1052,6 @@ static int piix_sidpr_hardreset(struct ata_link *link, unsigned int *class, return -EAGAIN; } -static void piix_sidpr_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, - piix_sidpr_hardreset, ata_std_postreset); -} - #ifdef CONFIG_PM static int piix_broken_suspend(void) { diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index aa6bcd7..345f4a6 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -76,6 +76,10 @@ const unsigned long sata_deb_timing_long[] = { 100, 2000, 5000 }; const struct ata_port_operations ata_base_port_ops = { .irq_clear = ata_noop_irq_clear, + .prereset = ata_std_prereset, + .hardreset = sata_std_hardreset, + .postreset = ata_std_postreset, + .error_handler = ata_std_error_handler, }; const struct ata_port_operations sata_port_ops = { @@ -87,6 +91,11 @@ const struct ata_port_operations sata_port_ops = { const struct ata_port_operations sata_pmp_port_ops = { .inherits = &sata_port_ops, + + .pmp_prereset = sata_pmp_std_prereset, + .pmp_hardreset = sata_pmp_std_hardreset, + .pmp_postreset = sata_pmp_std_postreset, + .error_handler = sata_pmp_error_handler, }; const struct ata_port_operations ata_sff_port_ops = { @@ -97,6 +106,7 @@ const struct ata_port_operations ata_sff_port_ops = { .freeze = ata_bmdma_freeze, .thaw = ata_bmdma_thaw, + .softreset = ata_std_softreset, .error_handler = ata_bmdma_error_handler, .post_internal_cmd = ata_bmdma_post_internal_cmd, @@ -7935,7 +7945,6 @@ EXPORT_SYMBOL_GPL(ata_bmdma_status); EXPORT_SYMBOL_GPL(ata_bmdma_stop); EXPORT_SYMBOL_GPL(ata_bmdma_freeze); EXPORT_SYMBOL_GPL(ata_bmdma_thaw); -EXPORT_SYMBOL_GPL(ata_bmdma_drive_eh); EXPORT_SYMBOL_GPL(ata_bmdma_error_handler); EXPORT_SYMBOL_GPL(ata_bmdma_post_internal_cmd); EXPORT_SYMBOL_GPL(ata_port_probe); @@ -8005,7 +8014,7 @@ EXPORT_SYMBOL_GPL(sata_pmp_qc_defer_cmd_switch); EXPORT_SYMBOL_GPL(sata_pmp_std_prereset); EXPORT_SYMBOL_GPL(sata_pmp_std_hardreset); EXPORT_SYMBOL_GPL(sata_pmp_std_postreset); -EXPORT_SYMBOL_GPL(sata_pmp_do_eh); +EXPORT_SYMBOL_GPL(sata_pmp_error_handler); EXPORT_SYMBOL_GPL(__ata_ehi_push_desc); EXPORT_SYMBOL_GPL(ata_ehi_push_desc); @@ -8024,6 +8033,7 @@ EXPORT_SYMBOL_GPL(ata_eh_thaw_port); EXPORT_SYMBOL_GPL(ata_eh_qc_complete); EXPORT_SYMBOL_GPL(ata_eh_qc_retry); EXPORT_SYMBOL_GPL(ata_do_eh); +EXPORT_SYMBOL_GPL(ata_std_error_handler); EXPORT_SYMBOL_GPL(ata_irq_on); EXPORT_SYMBOL_GPL(ata_dev_try_classify); diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 0d0a2c0..ec32082 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -2814,6 +2814,7 @@ void ata_eh_finish(struct ata_port *ap) /** * ata_do_eh - do standard error handling * @ap: host port to handle error for + * * @prereset: prereset method (can be NULL) * @softreset: softreset method (can be NULL) * @hardreset: hardreset method (can be NULL) @@ -2844,6 +2845,30 @@ void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ata_eh_finish(ap); } +/** + * ata_std_error_handler - standard error handler + * @ap: host port to handle error for + * + * Standard error handler + * + * LOCKING: + * Kernel thread context (may sleep). + */ +void ata_std_error_handler(struct ata_port *ap) +{ + struct ata_port_operations *ops = ap->ops; + ata_reset_fn_t hardreset = ops->hardreset; + + /* sata_std_hardreset is inherited to all drivers from + * ata_base_port_ops. Ignore it if SCR access is not + * available. + */ + if (hardreset == sata_std_hardreset && !sata_scr_valid(&ap->link)) + hardreset = NULL; + + ata_do_eh(ap, ops->prereset, ops->softreset, hardreset, ops->postreset); +} + #ifdef CONFIG_PM /** * ata_eh_handle_port_suspend - perform port suspend operation diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 39e036c..a7cb149 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -962,14 +962,6 @@ static int sata_pmp_handle_link_fail(struct ata_link *link, int *link_tries) /** * sata_pmp_eh_recover - recover PMP-enabled port * @ap: ATA port to recover - * @prereset: prereset method (can be NULL) - * @softreset: softreset method - * @hardreset: hardreset method - * @postreset: postreset method (can be NULL) - * @pmp_prereset: PMP prereset method (can be NULL) - * @pmp_softreset: PMP softreset method (can be NULL) - * @pmp_hardreset: PMP hardreset method (can be NULL) - * @pmp_postreset: PMP postreset method (can be NULL) * * Drive EH recovery operation for PMP enabled port @ap. This * function recovers host and PMP ports with proper retrials and @@ -982,12 +974,9 @@ static int sata_pmp_handle_link_fail(struct ata_link *link, int *link_tries) * RETURNS: * 0 on success, -errno on failure. */ -static int sata_pmp_eh_recover(struct ata_port *ap, - ata_prereset_fn_t prereset, ata_reset_fn_t softreset, - ata_reset_fn_t hardreset, ata_postreset_fn_t postreset, - ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset, - ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset) +static int sata_pmp_eh_recover(struct ata_port *ap) { + struct ata_port_operations *ops = ap->ops; int pmp_tries, link_tries[SATA_PMP_MAX_PORTS]; struct ata_link *pmp_link = &ap->link; struct ata_device *pmp_dev = pmp_link->device; @@ -1005,8 +994,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap, retry: /* PMP attached? */ if (!ap->nr_pmp_links) { - rc = ata_eh_recover(ap, prereset, softreset, hardreset, - postreset, NULL); + rc = ata_eh_recover(ap, ops->prereset, ops->softreset, + ops->hardreset, ops->postreset, NULL); if (rc) { ata_link_for_each_dev(dev, &ap->link) ata_dev_disable(dev); @@ -1024,8 +1013,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap, } /* recover pmp */ - rc = sata_pmp_eh_recover_pmp(ap, prereset, softreset, hardreset, - postreset); + rc = sata_pmp_eh_recover_pmp(ap, ops->prereset, ops->softreset, + ops->hardreset, ops->postreset); if (rc) goto pmp_fail; @@ -1035,8 +1024,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap, goto pmp_fail; /* recover links */ - rc = ata_eh_recover(ap, pmp_prereset, pmp_softreset, pmp_hardreset, - pmp_postreset, &link); + rc = ata_eh_recover(ap, ops->pmp_prereset, ops->pmp_softreset, + ops->pmp_hardreset, ops->pmp_postreset, &link); if (rc) goto link_fail; @@ -1132,16 +1121,8 @@ static int sata_pmp_eh_recover(struct ata_port *ap, } /** - * sata_pmp_do_eh - do standard error handling for PMP-enabled host + * sata_pmp_error_handler - do standard error handling for PMP-enabled host * @ap: host port to handle error for - * @prereset: prereset method (can be NULL) - * @softreset: softreset method - * @hardreset: hardreset method - * @postreset: postreset method (can be NULL) - * @pmp_prereset: PMP prereset method (can be NULL) - * @pmp_softreset: PMP softreset method (can be NULL) - * @pmp_hardreset: PMP hardreset method (can be NULL) - * @pmp_postreset: PMP postreset method (can be NULL) * * Perform standard error handling sequence for PMP-enabled host * @ap. @@ -1149,16 +1130,10 @@ static int sata_pmp_eh_recover(struct ata_port *ap, * LOCKING: * Kernel thread context (may sleep). */ -void sata_pmp_do_eh(struct ata_port *ap, - ata_prereset_fn_t prereset, ata_reset_fn_t softreset, - ata_reset_fn_t hardreset, ata_postreset_fn_t postreset, - ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset, - ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset) +void sata_pmp_error_handler(struct ata_port *ap) { ata_eh_autopsy(ap); ata_eh_report(ap); - sata_pmp_eh_recover(ap, prereset, softreset, hardreset, postreset, - pmp_prereset, pmp_softreset, pmp_hardreset, - pmp_postreset); + sata_pmp_eh_recover(ap); ata_eh_finish(ap); } diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 6223ec0..2a229a1 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -396,28 +396,21 @@ void ata_bmdma_thaw(struct ata_port *ap) } /** - * ata_bmdma_drive_eh - Perform EH with given methods for BMDMA controller + * ata_bmdma_error_handler - Stock error handler for BMDMA controller * @ap: port to handle error for - * @prereset: prereset method (can be NULL) - * @softreset: softreset method (can be NULL) - * @hardreset: hardreset method (can be NULL) - * @postreset: postreset method (can be NULL) * - * Handle error for ATA BMDMA controller. It can handle both + * Stock error handler for BMDMA controller. It can handle both * PATA and SATA controllers. Many controllers should be able to * use this EH as-is or with some added handling before and * after. * - * This function is intended to be used for constructing - * ->error_handler callback by low level drivers. - * * LOCKING: * Kernel thread context (may sleep) */ -void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, - ata_reset_fn_t softreset, ata_reset_fn_t hardreset, - ata_postreset_fn_t postreset) +void ata_bmdma_error_handler(struct ata_port *ap) { + ata_reset_fn_t softreset = ap->ops->softreset; + ata_reset_fn_t hardreset = ap->ops->hardreset; struct ata_queued_cmd *qc; unsigned long flags; int thaw = 0; @@ -460,29 +453,19 @@ void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ata_eh_thaw_port(ap); /* PIO and DMA engines have been stopped, perform recovery */ - ata_do_eh(ap, prereset, softreset, hardreset, postreset); -} - -/** - * ata_bmdma_error_handler - Stock error handler for BMDMA controller - * @ap: port to handle error for - * - * Stock error handler for BMDMA controller. - * - * LOCKING: - * Kernel thread context (may sleep) - */ -void ata_bmdma_error_handler(struct ata_port *ap) -{ - ata_reset_fn_t softreset = NULL, hardreset = NULL; - if (ap->ioaddr.ctl_addr) - softreset = ata_std_softreset; - if (sata_scr_valid(&ap->link)) - hardreset = sata_std_hardreset; + /* ata_std_softreset and sata_std_hardreset are inherited to + * all SFF drivers from ata_sff_port_ops. Ignore softreset if + * ctl isn't accessible. Ignore hardreset if SCR access isn't + * available. + */ + if (softreset == ata_std_softreset && !ap->ioaddr.ctl_addr) + softreset = NULL; + if (hardreset == sata_std_hardreset && !sata_scr_valid(&ap->link)) + hardreset = NULL; - ata_bmdma_drive_eh(ap, ata_std_prereset, softreset, hardreset, - ata_std_postreset); + ata_do_eh(ap, ap->ops->prereset, softreset, hardreset, + ap->ops->postreset); } /** diff --git a/drivers/ata/pata_artop.c b/drivers/ata/pata_artop.c index ebd15ca..b6d8c4d 100644 --- a/drivers/ata/pata_artop.c +++ b/drivers/ata/pata_artop.c @@ -56,21 +56,6 @@ static int artop6210_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * artop6210_error_handler - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ - -static void artop6210_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, artop6210_pre_reset, - ata_std_softreset, NULL, - ata_std_postreset); -} - -/** * artop6260_pre_reset - check for 40/80 pin * @link: link * @deadline: deadline jiffies for the operation @@ -114,21 +99,6 @@ static int artop6260_cable_detect(struct ata_port *ap) } /** - * artop6260_error_handler - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ - -static void artop6260_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, artop6260_pre_reset, - ata_std_softreset, NULL, - ata_std_postreset); -} - -/** * artop6210_load_piomode - Load a set of PATA PIO timings * @ap: Port whose timings we are configuring * @adev: Device @@ -322,7 +292,7 @@ static struct ata_port_operations artop6210_ops = { .cable_detect = ata_cable_40wire, .set_piomode = artop6210_set_piomode, .set_dmamode = artop6210_set_dmamode, - .error_handler = artop6210_error_handler, + .prereset = artop6210_pre_reset, }; static struct ata_port_operations artop6260_ops = { @@ -330,7 +300,7 @@ static struct ata_port_operations artop6260_ops = { .cable_detect = artop6260_cable_detect, .set_piomode = artop6260_set_piomode, .set_dmamode = artop6260_set_dmamode, - .error_handler = artop6260_error_handler, + .prereset = artop6260_pre_reset, }; diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 0bea7e7..56a65ba 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -48,11 +48,6 @@ static int atiixp_pre_reset(struct ata_link *link, unsigned long deadline) return ata_std_prereset(link, deadline); } -static void atiixp_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, atiixp_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - static int atiixp_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -235,7 +230,7 @@ static struct ata_port_operations atiixp_port_ops = { .cable_detect = atiixp_cable_detect, .set_piomode = atiixp_set_piomode, .set_dmamode = atiixp_set_dmamode, - .error_handler = atiixp_error_handler, + .prereset = atiixp_pre_reset, }; static int atiixp_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c index 7a22ef4..eea275a 100644 --- a/drivers/ata/pata_bf54x.c +++ b/drivers/ata/pata_bf54x.c @@ -1314,17 +1314,6 @@ static void bfin_std_postreset(struct ata_link *link, unsigned int *classes) write_atapi_register(base, ATA_REG_CTRL, ap->ctl); } -/** - * bfin_error_handler - Stock error handler for DMA controller - * @ap: port to handle error for - */ - -static void bfin_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ata_std_prereset, bfin_std_softreset, NULL, - bfin_std_postreset); -} - static void bfin_port_stop(struct ata_port *ap) { dev_dbg(ap->dev, "in atapi port stop\n"); @@ -1385,7 +1374,8 @@ static const struct ata_port_operations bfin_pata_ops = { .freeze = bfin_bmdma_freeze, .thaw = bfin_bmdma_thaw, - .error_handler = bfin_error_handler, + .softreset = bfin_std_softreset, + .postreset = bfin_std_postreset, .post_internal_cmd = bfin_bmdma_stop, .irq_clear = bfin_irq_clear, diff --git a/drivers/ata/pata_efar.c b/drivers/ata/pata_efar.c index 2f5b484..1d839a5 100644 --- a/drivers/ata/pata_efar.c +++ b/drivers/ata/pata_efar.c @@ -49,19 +49,6 @@ static int efar_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * efar_probe_reset - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ - -static void efar_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, efar_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * efar_cable_detect - check for 40/80 pin * @ap: Port * @@ -241,7 +228,7 @@ static struct ata_port_operations efar_ops = { .cable_detect = efar_cable_detect, .set_piomode = efar_set_piomode, .set_dmamode = efar_set_dmamode, - .error_handler = efar_error_handler, + .prereset = efar_pre_reset, }; diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c index fb37e3a..c10fcd3 100644 --- a/drivers/ata/pata_hpt37x.c +++ b/drivers/ata/pata_hpt37x.c @@ -341,19 +341,7 @@ static int hpt37x_pre_reset(struct ata_link *link, unsigned long deadline) return ata_std_prereset(link, deadline); } -/** - * hpt37x_error_handler - reset the hpt374 - * @ap: ATA port to reset - * - * Perform probe for HPT37x, except for HPT374 channel 2 - */ - -static void hpt37x_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, hpt37x_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline) +static int hpt374_fn1_pre_reset(struct ata_link *link, unsigned long deadline) { static const struct pci_bits hpt37x_enable_bits[] = { { 0x50, 1, 0x04, 0x04 }, @@ -390,25 +378,6 @@ static int hpt374_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * hpt374_error_handler - reset the hpt374 - * @classes: - * - * The 374 cable detect is a little different due to the extra - * channels. The function 0 channels work like usual but function 1 - * is special - */ - -static void hpt374_error_handler(struct ata_port *ap) -{ - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - - if (!(PCI_FUNC(pdev->devfn) & 1)) - hpt37x_error_handler(ap); - else - ata_bmdma_drive_eh(ap, hpt374_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * hpt370_set_piomode - PIO setup * @ap: ATA interface * @adev: device on the interface @@ -635,7 +604,7 @@ static struct ata_port_operations hpt370_port_ops = { .mode_filter = hpt370_filter, .set_piomode = hpt370_set_piomode, .set_dmamode = hpt370_set_dmamode, - .error_handler = hpt37x_error_handler, + .prereset = hpt37x_pre_reset, }; /* @@ -659,17 +628,17 @@ static struct ata_port_operations hpt372_port_ops = { .set_piomode = hpt372_set_piomode, .set_dmamode = hpt372_set_dmamode, - .error_handler = hpt37x_error_handler, + .prereset = hpt37x_pre_reset, }; /* * Configuration for HPT374. Mode setting works like 372 and friends - * but we have a different cable detection procedure. + * but we have a different cable detection procedure for function 1. */ -static struct ata_port_operations hpt374_port_ops = { +static struct ata_port_operations hpt374_fn1_port_ops = { .inherits = &hpt372_port_ops, - .error_handler = hpt374_error_handler, + .prereset = hpt374_fn1_pre_reset, }; /** @@ -821,13 +790,20 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) .udma_mask = ATA_UDMA6, .port_ops = &hpt372_port_ops }; - /* HPT374 - UDMA100 */ - static const struct ata_port_info info_hpt374 = { + /* HPT374 - UDMA100, function 1 uses different prereset method */ + static const struct ata_port_info info_hpt374_fn0 = { + .flags = ATA_FLAG_SLAVE_POSS, + .pio_mask = 0x1f, + .mwdma_mask = 0x07, + .udma_mask = ATA_UDMA5, + .port_ops = &hpt372_port_ops + }; + static const struct ata_port_info info_hpt374_fn1 = { .flags = ATA_FLAG_SLAVE_POSS, .pio_mask = 0x1f, .mwdma_mask = 0x07, .udma_mask = ATA_UDMA5, - .port_ops = &hpt374_port_ops + .port_ops = &hpt374_fn1_port_ops }; static const int MHz[4] = { 33, 40, 50, 66 }; @@ -912,7 +888,10 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id) break; case PCI_DEVICE_ID_TTI_HPT374: chip_table = &hpt374; - ppi[0] = &info_hpt374; + if (!(PCI_FUNC(dev->devfn) & 1)) + *ppi = &info_hpt374_fn0; + else + *ppi = &info_hpt374_fn1; break; default: printk(KERN_ERR "pata_hpt37x: PCI table is bogus please report (%d).\n", dev->device); diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c index c774be9..cd44ee3 100644 --- a/drivers/ata/pata_hpt3x2n.c +++ b/drivers/ata/pata_hpt3x2n.c @@ -148,7 +148,7 @@ static int hpt3x2n_cable_detect(struct ata_port *ap) * Reset the hardware and state machine, */ -static int hpt3xn_pre_reset(struct ata_link *link, unsigned long deadline) +static int hpt3x2n_pre_reset(struct ata_link *link, unsigned long deadline) { struct ata_port *ap = link->ap; struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -160,18 +160,6 @@ static int hpt3xn_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * hpt3x2n_error_handler - probe the hpt3x2n bus - * @ap: ATA port to reset - * - * Perform the probe reset handling for the 3x2N - */ - -static void hpt3x2n_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, hpt3xn_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * hpt3x2n_set_piomode - PIO setup * @ap: ATA interface * @adev: device on the interface @@ -355,7 +343,7 @@ static struct ata_port_operations hpt3x2n_port_ops = { .cable_detect = hpt3x2n_cable_detect, .set_piomode = hpt3x2n_set_piomode, .set_dmamode = hpt3x2n_set_dmamode, - .error_handler = hpt3x2n_error_handler, + .prereset = hpt3x2n_pre_reset, }; /** diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index ff16b0e..13d43e9 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -332,12 +332,6 @@ static void pata_icside_postreset(struct ata_link *link, unsigned int *classes) } } -static void pata_icside_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL, - pata_icside_postreset); -} - static struct ata_port_operations pata_icside_port_ops = { .inherits = &ata_sff_port_ops, /* no need to build any PRD tables for DMA */ @@ -350,7 +344,7 @@ static struct ata_port_operations pata_icside_port_ops = { .cable_detect = ata_cable_40wire, .set_dmamode = pata_icside_set_dmamode, - .error_handler = pata_icside_error_handler, + .postreset = pata_icside_postreset, .post_internal_cmd = pata_icside_bmdma_stop, }; diff --git a/drivers/ata/pata_it8213.c b/drivers/ata/pata_it8213.c index d23a46b..84ab89e 100644 --- a/drivers/ata/pata_it8213.c +++ b/drivers/ata/pata_it8213.c @@ -44,19 +44,6 @@ static int it8213_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * it8213_error_handler - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ - -static void it8213_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, it8213_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * it8213_cable_detect - check for 40/80 pin * @ap: Port * @@ -252,7 +239,7 @@ static struct ata_port_operations it8213_ops = { .cable_detect = it8213_cable_detect, .set_piomode = it8213_set_piomode, .set_dmamode = it8213_set_dmamode, - .error_handler = it8213_error_handler, + .prereset = it8213_pre_reset, }; diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index ac7c082..fec9319 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -255,15 +255,6 @@ mpc52xx_ata_dev_select(struct ata_port *ap, unsigned int device) ata_std_dev_select(ap,device); } -static void -mpc52xx_ata_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, NULL, - ata_std_postreset); -} - - - static struct scsi_host_template mpc52xx_ata_sht = { ATA_PIO_SHT(DRV_NAME), }; @@ -273,7 +264,6 @@ static struct ata_port_operations mpc52xx_ata_port_ops = { .dev_select = mpc52xx_ata_dev_select, .cable_detect = ata_cable_40wire, .set_piomode = mpc52xx_ata_set_piomode, - .error_handler = mpc52xx_ata_error_handler, .post_internal_cmd = ATA_OP_NULL, }; diff --git a/drivers/ata/pata_mpiix.c b/drivers/ata/pata_mpiix.c index dab54f8..1b9d0d4 100644 --- a/drivers/ata/pata_mpiix.c +++ b/drivers/ata/pata_mpiix.c @@ -59,20 +59,6 @@ static int mpiix_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * mpiix_error_handler - probe reset - * @ap: ATA port - * - * Perform the ATA probe and bus reset sequence plus specific handling - * for this hardware. The MPIIX has the enable bits in a different place - * to PIIX4 and friends. As a pure PIO device it has no cable detect - */ - -static void mpiix_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, mpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * mpiix_set_piomode - set initial PIO mode data * @ap: ATA interface * @adev: ATA device @@ -159,7 +145,7 @@ static struct ata_port_operations mpiix_port_ops = { .qc_issue = mpiix_qc_issue_prot, .cable_detect = ata_cable_40wire, .set_piomode = mpiix_set_piomode, - .error_handler = mpiix_error_handler, + .prereset = mpiix_pre_reset, }; static int mpiix_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_ns87410.c b/drivers/ata/pata_ns87410.c index 5a043e4..4d2eefe 100644 --- a/drivers/ata/pata_ns87410.c +++ b/drivers/ata/pata_ns87410.c @@ -54,20 +54,6 @@ static int ns87410_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * ns87410_error_handler - probe reset - * @ap: ATA port - * - * Perform the ATA probe and bus reset sequence plus specific handling - * for this hardware. The MPIIX has the enable bits in a different place - * to PIIX4 and friends. As a pure PIO device it has no cable detect - */ - -static void ns87410_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ns87410_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * ns87410_set_piomode - set initial PIO mode data * @ap: ATA interface * @adev: ATA device @@ -152,7 +138,7 @@ static struct ata_port_operations ns87410_port_ops = { .qc_issue = ns87410_qc_issue_prot, .cable_detect = ata_cable_40wire, .set_piomode = ns87410_set_piomode, - .error_handler = ns87410_error_handler, + .prereset = ns87410_pre_reset, }; static int ns87410_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_oldpiix.c b/drivers/ata/pata_oldpiix.c index 7001b75..c1da79a 100644 --- a/drivers/ata/pata_oldpiix.c +++ b/drivers/ata/pata_oldpiix.c @@ -51,20 +51,6 @@ static int oldpiix_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * oldpiix_pata_error_handler - Probe specified port on PATA host controller - * @ap: Port to probe - * @classes: - * - * LOCKING: - * None (inherited from caller). - */ - -static void oldpiix_pata_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, oldpiix_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * oldpiix_set_piomode - Initialize host controller PATA PIO timings * @ap: Port whose timings we are configuring * @adev: Device whose timings we are configuring @@ -229,7 +215,7 @@ static struct ata_port_operations oldpiix_pata_ops = { .cable_detect = ata_cable_40wire, .set_piomode = oldpiix_set_piomode, .set_dmamode = oldpiix_set_dmamode, - .error_handler = oldpiix_pata_error_handler, + .prereset = oldpiix_pre_reset, }; diff --git a/drivers/ata/pata_opti.c b/drivers/ata/pata_opti.c index 5a5f20e..4ddd03a 100644 --- a/drivers/ata/pata_opti.c +++ b/drivers/ata/pata_opti.c @@ -68,21 +68,6 @@ static int opti_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * opti_probe_reset - probe reset - * @ap: ATA port - * - * Perform the ATA probe and bus reset sequence plus specific handling - * for this hardware. The Opti needs little handling - we have no UDMA66 - * capability that needs cable detection. All we must do is check the port - * is enabled. - */ - -static void opti_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, opti_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * opti_write_reg - control register setup * @ap: ATA port * @value: value @@ -172,7 +157,7 @@ static struct ata_port_operations opti_port_ops = { .inherits = &ata_sff_port_ops, .cable_detect = ata_cable_40wire, .set_piomode = opti_set_piomode, - .error_handler = opti_error_handler, + .prereset = opti_pre_reset, }; static int opti_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_optidma.c b/drivers/ata/pata_optidma.c index ba2819f..36ac147 100644 --- a/drivers/ata/pata_optidma.c +++ b/drivers/ata/pata_optidma.c @@ -68,21 +68,6 @@ static int optidma_pre_reset(struct ata_link *link, unsigned long deadline) } /** - * optidma_probe_reset - probe reset - * @ap: ATA port - * - * Perform the ATA probe and bus reset sequence plus specific handling - * for this hardware. The Opti needs little handling - we have no UDMA66 - * capability that needs cable detection. All we must do is check the port - * is enabled. - */ - -static void optidma_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, optidma_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * optidma_unlock - unlock control registers * @ap: ATA port * @@ -359,7 +344,7 @@ static struct ata_port_operations optidma_port_ops = { .set_piomode = optidma_set_pio_mode, .set_dmamode = optidma_set_dma_mode, .set_mode = optidma_set_mode, - .error_handler = optidma_error_handler, + .prereset = optidma_pre_reset, }; static struct ata_port_operations optiplus_port_ops = { diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c index f619c20..d235c9f 100644 --- a/drivers/ata/pata_pdc2027x.c +++ b/drivers/ata/pata_pdc2027x.c @@ -63,7 +63,7 @@ enum { }; static int pdc2027x_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); -static void pdc2027x_error_handler(struct ata_port *ap); +static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline); static void pdc2027x_set_piomode(struct ata_port *ap, struct ata_device *adev); static void pdc2027x_set_dmamode(struct ata_port *ap, struct ata_device *adev); static int pdc2027x_check_atapi_dma(struct ata_queued_cmd *qc); @@ -136,7 +136,7 @@ static struct ata_port_operations pdc2027x_pata100_ops = { .inherits = &ata_bmdma_port_ops, .check_atapi_dma = pdc2027x_check_atapi_dma, .cable_detect = pdc2027x_cable_detect, - .error_handler = pdc2027x_error_handler, + .prereset = pdc2027x_prereset, }; static struct ata_port_operations pdc2027x_pata133_ops = { @@ -252,21 +252,6 @@ static int pdc2027x_prereset(struct ata_link *link, unsigned long deadline) } /** - * pdc2027x_error_handler - Perform reset on PATA port and classify - * @ap: Port to reset - * - * Reset PATA phy and classify attached devices. - * - * LOCKING: - * None (inherited from caller). - */ - -static void pdc2027x_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, pdc2027x_prereset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * pdc2720x_mode_filter - mode selection filter * @adev: ATA device * @mask: list of modes proposed diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c index 033d1f3..07f2d7a 100644 --- a/drivers/ata/pata_scc.c +++ b/drivers/ata/pata_scc.c @@ -905,17 +905,6 @@ static void scc_std_postreset(struct ata_link *link, unsigned int *classes) } /** - * scc_error_handler - Stock error handler for BMDMA controller - * @ap: port to handle error for - */ - -static void scc_error_handler (struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, scc_pata_prereset, scc_std_softreset, NULL, - scc_std_postreset); -} - -/** * scc_bmdma_irq_clear - Clear PCI IDE BMDMA interrupt. * @ap: Port associated with this ATA transaction. * @@ -992,7 +981,9 @@ static const struct ata_port_operations scc_pata_ops = { .data_xfer = scc_data_xfer, .freeze = scc_bmdma_freeze, - .error_handler = scc_error_handler, + .prereset = scc_pata_prereset, + .softreset = scc_std_softreset, + .postreset = scc_std_postreset, .post_internal_cmd = scc_bmdma_stop, .irq_clear = scc_bmdma_irq_clear, diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c index 28abfc2..793e671 100644 --- a/drivers/ata/pata_sis.c +++ b/drivers/ata/pata_sis.c @@ -161,19 +161,6 @@ static int sis_pre_reset(struct ata_link *link, unsigned long deadline) /** - * sis_error_handler - Probe specified port on PATA host controller - * @ap: Port to probe - * - * LOCKING: - * None (inherited from caller). - */ - -static void sis_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, sis_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * sis_set_fifo - Set RWP fifo bits for this device * @ap: Port * @adev: Device @@ -526,7 +513,7 @@ static struct ata_port_operations sis_133_for_sata_ops = { static struct ata_port_operations sis_base_ops = { .inherits = &ata_bmdma_port_ops, - .error_handler = sis_error_handler, + .prereset = sis_pre_reset, }; static struct ata_port_operations sis_133_ops = { diff --git a/drivers/ata/pata_sl82c105.c b/drivers/ata/pata_sl82c105.c index 1d97f92..bee11ca 100644 --- a/drivers/ata/pata_sl82c105.c +++ b/drivers/ata/pata_sl82c105.c @@ -64,12 +64,6 @@ static int sl82c105_pre_reset(struct ata_link *link, unsigned long deadline) } -static void sl82c105_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, sl82c105_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - - /** * sl82c105_configure_piomode - set chip PIO timing * @ap: ATA interface @@ -245,7 +239,7 @@ static struct ata_port_operations sl82c105_port_ops = { .bmdma_stop = sl82c105_bmdma_stop, .cable_detect = ata_cable_40wire, .set_piomode = sl82c105_set_piomode, - .error_handler = sl82c105_error_handler, + .prereset = sl82c105_pre_reset, }; /** diff --git a/drivers/ata/pata_triflex.c b/drivers/ata/pata_triflex.c index f07b0e5..bd546a3 100644 --- a/drivers/ata/pata_triflex.c +++ b/drivers/ata/pata_triflex.c @@ -71,11 +71,6 @@ static int triflex_prereset(struct ata_link *link, unsigned long deadline) -static void triflex_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, triflex_prereset, ata_std_softreset, NULL, ata_std_postreset); -} - /** * triflex_load_timing - timing configuration * @ap: ATA interface @@ -189,7 +184,7 @@ static struct ata_port_operations triflex_port_ops = { .bmdma_stop = triflex_bmdma_stop, .cable_detect = ata_cable_40wire, .set_piomode = triflex_set_piomode, - .error_handler = triflex_error_handler, + .prereset = triflex_prereset, }; static int triflex_init_one(struct pci_dev *dev, const struct pci_device_id *id) diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index f4092cb..2928fa1 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -215,18 +215,6 @@ static int via_pre_reset(struct ata_link *link, unsigned long deadline) /** - * via_error_handler - reset for VIA chips - * @ap: ATA port - * - * Handle the reset callback for the later chips with cable detect - */ - -static void via_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, via_pre_reset, ata_std_softreset, NULL, ata_std_postreset); -} - -/** * via_do_set_mode - set initial PIO mode data * @ap: ATA interface * @adev: ATA device @@ -343,7 +331,7 @@ static struct ata_port_operations via_port_ops = { .cable_detect = via_cable_detect, .set_piomode = via_set_piomode, .set_dmamode = via_set_dmamode, - .error_handler = via_error_handler, + .prereset = via_pre_reset, }; static struct ata_port_operations via_port_ops_noirq = { diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index a570614..5ed065d 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -140,7 +140,7 @@ static void adma_bmdma_stop(struct ata_queued_cmd *qc); static u8 adma_bmdma_status(struct ata_port *ap); static void adma_freeze(struct ata_port *ap); static void adma_thaw(struct ata_port *ap); -static void adma_error_handler(struct ata_port *ap); +static int adma_prereset(struct ata_link *link, unsigned long deadline); static struct scsi_host_template adma_ata_sht = { ATA_BASE_SHT(DRV_NAME), @@ -166,7 +166,8 @@ static struct ata_port_operations adma_ata_ops = { .freeze = adma_freeze, .thaw = adma_thaw, - .error_handler = adma_error_handler, + .prereset = adma_prereset, + .softreset = ata_std_softreset, .port_start = adma_port_start, .port_stop = adma_port_stop, @@ -292,12 +293,6 @@ static int adma_prereset(struct ata_link *link, unsigned long deadline) return ata_std_prereset(link, deadline); } -static void adma_error_handler(struct ata_port *ap) -{ - ata_do_eh(ap, adma_prereset, ata_std_softreset, NULL, - ata_std_postreset); -} - static int adma_fill_sg(struct ata_queued_cmd *qc) { struct scatterlist *sg; diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index 865030ae..676302f 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -912,16 +912,6 @@ err: return -EIO; } -static void sata_fsl_error_handler(struct ata_port *ap) -{ - - DPRINTK("in xx_error_handler\n"); - - /* perform recovery */ - ata_do_eh(ap, ata_std_prereset, sata_fsl_softreset, sata_std_hardreset, - ata_std_postreset); -} - static void sata_fsl_post_internal_cmd(struct ata_queued_cmd *qc) { if (qc->flags & ATA_QCFLAG_FAILED) @@ -1213,7 +1203,7 @@ static const struct ata_port_operations sata_fsl_ops = { .freeze = sata_fsl_freeze, .thaw = sata_fsl_thaw, - .error_handler = sata_fsl_error_handler, + .softreset = sata_fsl_softreset, .post_internal_cmd = sata_fsl_post_internal_cmd, .port_start = sata_fsl_port_start, diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 047f80f..ba1c099 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -452,8 +452,7 @@ static void inic_error_handler(struct ata_port *ap) spin_unlock_irqrestore(ap->lock, flags); /* PIO and DMA engines have been stopped, perform recovery */ - ata_do_eh(ap, ata_std_prereset, NULL, inic_hardreset, - ata_std_postreset); + ata_std_error_handler(ap); } static void inic_post_internal_cmd(struct ata_queued_cmd *qc) @@ -532,6 +531,8 @@ static struct ata_port_operations inic_port_ops = { .freeze = inic_freeze, .thaw = inic_thaw, + .softreset = ATA_OP_NULL, /* softreset is broken */ + .hardreset = inic_hardreset, .error_handler = inic_error_handler, .post_internal_cmd = inic_post_internal_cmd, .dev_config = inic_dev_config, diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index f341a82..9a89390 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -470,7 +470,10 @@ static void mv_port_stop(struct ata_port *ap); static void mv_qc_prep(struct ata_queued_cmd *qc); static void mv_qc_prep_iie(struct ata_queued_cmd *qc); static unsigned int mv_qc_issue(struct ata_queued_cmd *qc); -static void mv_error_handler(struct ata_port *ap); +static int mv_prereset(struct ata_link *link, unsigned long deadline); +static int mv_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static void mv_postreset(struct ata_link *link, unsigned int *classes); static void mv_eh_freeze(struct ata_port *ap); static void mv_eh_thaw(struct ata_port *ap); static void mv6_dev_config(struct ata_device *dev); @@ -534,7 +537,10 @@ static struct ata_port_operations mv5_ops = { .freeze = mv_eh_freeze, .thaw = mv_eh_thaw, - .error_handler = mv_error_handler, + .prereset = mv_prereset, + .hardreset = mv_hardreset, + .postreset = mv_postreset, + .error_handler = ata_std_error_handler, /* avoid SFF EH */ .post_internal_cmd = ATA_OP_NULL, .scr_read = mv5_scr_read, @@ -2415,12 +2421,6 @@ static void mv_postreset(struct ata_link *link, unsigned int *classes) iowrite8(ap->ctl, ap->ioaddr.ctl_addr); } -static void mv_error_handler(struct ata_port *ap) -{ - ata_do_eh(ap, mv_prereset, ata_std_softreset, - mv_hardreset, mv_postreset); -} - static void mv_eh_freeze(struct ata_port *ap) { struct mv_host_priv *hpriv = ap->host->private_data; diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 5637b08..b2eb572 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -309,7 +309,8 @@ static void nv_nf2_freeze(struct ata_port *ap); static void nv_nf2_thaw(struct ata_port *ap); static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); -static void nv_error_handler(struct ata_port *ap); +static int nv_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static int nv_adma_slave_config(struct scsi_device *sdev); static int nv_adma_check_atapi_dma(struct ata_queued_cmd *qc); static void nv_adma_qc_prep(struct ata_queued_cmd *qc); @@ -406,7 +407,7 @@ static struct scsi_host_template nv_swncq_sht = { static struct ata_port_operations nv_generic_ops = { .inherits = &ata_bmdma_port_ops, - .error_handler = nv_error_handler, + .hardreset = nv_hardreset, .scr_read = nv_scr_read, .scr_write = nv_scr_write, }; @@ -1599,12 +1600,6 @@ static int nv_hardreset(struct ata_link *link, unsigned int *class, return sata_std_hardreset(link, &dummy, deadline); } -static void nv_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, - nv_hardreset, ata_std_postreset); -} - static void nv_adma_error_handler(struct ata_port *ap) { struct nv_adma_port_priv *pp = ap->private_data; @@ -1658,8 +1653,7 @@ static void nv_adma_error_handler(struct ata_port *ap) readw(mmio + NV_ADMA_CTL); /* flush posted write */ } - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, - nv_hardreset, ata_std_postreset); + ata_bmdma_error_handler(ap); } static void nv_swncq_qc_to_dq(struct ata_port *ap, struct ata_queued_cmd *qc) @@ -1785,8 +1779,7 @@ static void nv_swncq_error_handler(struct ata_port *ap) ehc->i.action |= ATA_EH_RESET; } - ata_bmdma_drive_eh(ap, ata_std_prereset, ata_std_softreset, - nv_hardreset, ata_std_postreset); + ata_bmdma_error_handler(ap); } #ifdef CONFIG_PM diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index e09b975..91659dc 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -148,8 +148,7 @@ static void pdc_freeze(struct ata_port *ap); static void pdc_sata_freeze(struct ata_port *ap); static void pdc_thaw(struct ata_port *ap); static void pdc_sata_thaw(struct ata_port *ap); -static void pdc_pata_error_handler(struct ata_port *ap); -static void pdc_sata_error_handler(struct ata_port *ap); +static void pdc_error_handler(struct ata_port *ap); static void pdc_post_internal_cmd(struct ata_queued_cmd *qc); static int pdc_pata_cable_detect(struct ata_port *ap); static int pdc_sata_cable_detect(struct ata_port *ap); @@ -171,6 +170,7 @@ static const struct ata_port_operations pdc_common_ops = { .irq_clear = pdc_irq_clear, .post_internal_cmd = pdc_post_internal_cmd, + .error_handler = pdc_error_handler, }; static struct ata_port_operations pdc_sata_ops = { @@ -178,7 +178,6 @@ static struct ata_port_operations pdc_sata_ops = { .cable_detect = pdc_sata_cable_detect, .freeze = pdc_sata_freeze, .thaw = pdc_sata_thaw, - .error_handler = pdc_sata_error_handler, .scr_read = pdc_sata_scr_read, .scr_write = pdc_sata_scr_write, .port_start = pdc_sata_port_start, @@ -195,7 +194,6 @@ static struct ata_port_operations pdc_pata_ops = { .cable_detect = pdc_pata_cable_detect, .freeze = pdc_freeze, .thaw = pdc_thaw, - .error_handler = pdc_pata_error_handler, .port_start = pdc_common_port_start, }; @@ -694,24 +692,12 @@ static void pdc_sata_thaw(struct ata_port *ap) readl(host_mmio + hotplug_offset); /* flush */ } -static void pdc_common_error_handler(struct ata_port *ap, ata_reset_fn_t hardreset) +static void pdc_error_handler(struct ata_port *ap) { if (!(ap->pflags & ATA_PFLAG_FROZEN)) pdc_reset_port(ap); - /* perform recovery */ - ata_do_eh(ap, ata_std_prereset, ata_std_softreset, hardreset, - ata_std_postreset); -} - -static void pdc_pata_error_handler(struct ata_port *ap) -{ - pdc_common_error_handler(ap, NULL); -} - -static void pdc_sata_error_handler(struct ata_port *ap) -{ - pdc_common_error_handler(ap, sata_std_hardreset); + ata_std_error_handler(ap); } static void pdc_post_internal_cmd(struct ata_queued_cmd *qc) diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index 107ef09..2ceb099 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -123,6 +123,7 @@ static void qs_bmdma_stop(struct ata_queued_cmd *qc); static u8 qs_bmdma_status(struct ata_port *ap); static void qs_freeze(struct ata_port *ap); static void qs_thaw(struct ata_port *ap); +static int qs_prereset(struct ata_link *link, unsigned long deadline); static void qs_error_handler(struct ata_port *ap); static struct scsi_host_template qs_ata_sht = { @@ -142,6 +143,8 @@ static struct ata_port_operations qs_ata_ops = { .freeze = qs_freeze, .thaw = qs_thaw, + .prereset = qs_prereset, + .softreset = ATA_OP_NULL, .error_handler = qs_error_handler, .post_internal_cmd = ATA_OP_NULL, @@ -250,8 +253,7 @@ static int qs_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val) static void qs_error_handler(struct ata_port *ap) { qs_enter_reg_mode(ap); - ata_do_eh(ap, qs_prereset, NULL, sata_std_hardreset, - ata_std_postreset); + ata_std_error_handler(ap); } static int qs_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val) diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 363fb90..67df1d7 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -352,6 +352,14 @@ static void sil24_pmp_attach(struct ata_port *ap); static void sil24_pmp_detach(struct ata_port *ap); static void sil24_freeze(struct ata_port *ap); static void sil24_thaw(struct ata_port *ap); +static int sil24_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int sil24_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int sil24_pmp_softreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); +static int sil24_pmp_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static void sil24_error_handler(struct ata_port *ap); static void sil24_post_internal_cmd(struct ata_queued_cmd *qc); static int sil24_port_start(struct ata_port *ap); @@ -402,6 +410,10 @@ static struct ata_port_operations sil24_ops = { .freeze = sil24_freeze, .thaw = sil24_thaw, + .softreset = sil24_softreset, + .hardreset = sil24_hardreset, + .pmp_softreset = sil24_pmp_softreset, + .pmp_hardreset = sil24_pmp_hardreset, .error_handler = sil24_error_handler, .post_internal_cmd = sil24_post_internal_cmd, .dev_config = sil24_dev_config, @@ -1181,11 +1193,7 @@ static void sil24_error_handler(struct ata_port *ap) if (sil24_init_port(ap)) ata_eh_freeze_port(ap); - /* perform recovery */ - sata_pmp_do_eh(ap, ata_std_prereset, sil24_softreset, sil24_hardreset, - ata_std_postreset, sata_pmp_std_prereset, - sil24_pmp_softreset, sil24_pmp_hardreset, - sata_pmp_std_postreset); + sata_pmp_error_handler(ap); pp->do_port_rst = 0; } diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c index 6326bcf..402fd73 100644 --- a/drivers/ata/sata_via.c +++ b/drivers/ata/sata_via.c @@ -71,7 +71,7 @@ static int svia_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static int svia_scr_read(struct ata_port *ap, unsigned int sc_reg, u32 *val); static int svia_scr_write(struct ata_port *ap, unsigned int sc_reg, u32 val); static void svia_noop_freeze(struct ata_port *ap); -static void vt6420_error_handler(struct ata_port *ap); +static int vt6420_prereset(struct ata_link *link, unsigned long deadline); static int vt6421_pata_cable_detect(struct ata_port *ap); static void vt6421_set_pio_mode(struct ata_port *ap, struct ata_device *adev); static void vt6421_set_dma_mode(struct ata_port *ap, struct ata_device *adev); @@ -106,7 +106,7 @@ static struct scsi_host_template svia_sht = { static struct ata_port_operations vt6420_sata_ops = { .inherits = &ata_bmdma_port_ops, .freeze = svia_noop_freeze, - .error_handler = vt6420_error_handler, + .prereset = vt6420_prereset, }; static struct ata_port_operations vt6421_pata_ops = { @@ -247,12 +247,6 @@ static int vt6420_prereset(struct ata_link *link, unsigned long deadline) return 0; } -static void vt6420_error_handler(struct ata_port *ap) -{ - ata_bmdma_drive_eh(ap, vt6420_prereset, ata_std_softreset, NULL, - ata_std_postreset); -} - static int vt6421_pata_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index c72014a..79fd243 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -3937,7 +3937,7 @@ static int __ipr_eh_dev_reset(struct scsi_cmnd * scsi_cmd) if (ipr_is_gata(res) && res->sata_port) { ap = res->sata_port->ap; spin_unlock_irq(scsi_cmd->device->host->host_lock); - ata_do_eh(ap, NULL, NULL, ipr_sata_reset, NULL); + ata_std_error_handler(ap); spin_lock_irq(scsi_cmd->device->host->host_lock); list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { @@ -5275,6 +5275,7 @@ static struct ata_port_operations ipr_sata_ops = { .check_altstatus = ipr_ata_check_altstatus, .dev_select = ata_noop_dev_select, .phy_reset = ipr_ata_phy_reset, + .hardreset = ipr_sata_reset, .post_internal_cmd = ipr_ata_post_internal, .tf_read = ipr_tf_read, .qc_prep = ata_noop_qc_prep, diff --git a/include/linux/libata.h b/include/linux/libata.h index 88c6fa8..01c2333 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -693,6 +693,14 @@ struct ata_port_operations { void (*freeze)(struct ata_port *ap); void (*thaw)(struct ata_port *ap); + ata_prereset_fn_t prereset; + ata_reset_fn_t softreset; + ata_reset_fn_t hardreset; + ata_postreset_fn_t postreset; + ata_prereset_fn_t pmp_prereset; + ata_reset_fn_t pmp_softreset; + ata_reset_fn_t pmp_hardreset; + ata_postreset_fn_t pmp_postreset; void (*error_handler)(struct ata_port *ap); void (*post_internal_cmd)(struct ata_queued_cmd *qc); @@ -909,10 +917,6 @@ extern void ata_bmdma_irq_clear(struct ata_port *ap); extern void ata_noop_irq_clear(struct ata_port *ap); extern void ata_bmdma_freeze(struct ata_port *ap); extern void ata_bmdma_thaw(struct ata_port *ap); -extern void ata_bmdma_drive_eh(struct ata_port *ap, ata_prereset_fn_t prereset, - ata_reset_fn_t softreset, - ata_reset_fn_t hardreset, - ata_postreset_fn_t postreset); extern void ata_bmdma_error_handler(struct ata_port *ap); extern void ata_bmdma_post_internal_cmd(struct ata_queued_cmd *qc); extern int ata_hsm_move(struct ata_port *ap, struct ata_queued_cmd *qc, @@ -1056,11 +1060,7 @@ extern int sata_pmp_std_prereset(struct ata_link *link, unsigned long deadline); extern int sata_pmp_std_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); extern void sata_pmp_std_postreset(struct ata_link *link, unsigned int *class); -extern void sata_pmp_do_eh(struct ata_port *ap, - ata_prereset_fn_t prereset, ata_reset_fn_t softreset, - ata_reset_fn_t hardreset, ata_postreset_fn_t postreset, - ata_prereset_fn_t pmp_prereset, ata_reset_fn_t pmp_softreset, - ata_reset_fn_t pmp_hardreset, ata_postreset_fn_t pmp_postreset); +extern void sata_pmp_error_handler(struct ata_port *ap); /* * EH @@ -1080,6 +1080,7 @@ extern void ata_eh_qc_retry(struct ata_queued_cmd *qc); extern void ata_do_eh(struct ata_port *ap, ata_prereset_fn_t prereset, ata_reset_fn_t softreset, ata_reset_fn_t hardreset, ata_postreset_fn_t postreset); +extern void ata_std_error_handler(struct ata_port *ap); /* * Base operations to inherit from and initializers for sht |
