diff options
| -rw-r--r-- | drivers/ata/ahci.c | 7 | ||||
| -rw-r--r-- | drivers/ata/libata-core.c | 21 | ||||
| -rw-r--r-- | include/linux/libata.h | 1 |
3 files changed, 29 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 4bfd1b14b390..11ea1aff40db 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -81,6 +81,7 @@ enum board_ids { static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static void ahci_remove_one(struct pci_dev *dev); +static void ahci_shutdown_one(struct pci_dev *dev); static int ahci_vt8251_hardreset(struct ata_link *link, unsigned int *class, unsigned long deadline); static int ahci_avn_hardreset(struct ata_link *link, unsigned int *class, @@ -606,6 +607,7 @@ static struct pci_driver ahci_pci_driver = { .id_table = ahci_pci_tbl, .probe = ahci_init_one, .remove = ahci_remove_one, + .shutdown = ahci_shutdown_one, .driver = { .pm = &ahci_pci_pm_ops, }, @@ -1877,6 +1879,11 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) return 0; } +static void ahci_shutdown_one(struct pci_dev *pdev) +{ + ata_pci_shutdown_one(pdev); +} + static void ahci_remove_one(struct pci_dev *pdev) { pm_runtime_get_noresume(&pdev->dev); diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 6f4ab5c5b52d..42c8728f6117 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -6767,6 +6767,26 @@ void ata_pci_remove_one(struct pci_dev *pdev) ata_host_detach(host); } +void ata_pci_shutdown_one(struct pci_dev *pdev) +{ + struct ata_host *host = pci_get_drvdata(pdev); + int i; + + for (i = 0; i < host->n_ports; i++) { + struct ata_port *ap = host->ports[i]; + + ap->pflags |= ATA_PFLAG_FROZEN; + + /* Disable port interrupts */ + if (ap->ops->freeze) + ap->ops->freeze(ap); + + /* Stop the port DMA engines */ + if (ap->ops->port_stop) + ap->ops->port_stop(ap); + } +} + /* move to PCI subsystem */ int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits) { @@ -7387,6 +7407,7 @@ EXPORT_SYMBOL_GPL(ata_timing_cycle2mode); #ifdef CONFIG_PCI EXPORT_SYMBOL_GPL(pci_test_config_bits); +EXPORT_SYMBOL_GPL(ata_pci_shutdown_one); EXPORT_SYMBOL_GPL(ata_pci_remove_one); #ifdef CONFIG_PM EXPORT_SYMBOL_GPL(ata_pci_device_do_suspend); diff --git a/include/linux/libata.h b/include/linux/libata.h index 2dbde119721d..bff539918d82 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -1221,6 +1221,7 @@ struct pci_bits { }; extern int pci_test_config_bits(struct pci_dev *pdev, const struct pci_bits *bits); +extern void ata_pci_shutdown_one(struct pci_dev *pdev); extern void ata_pci_remove_one(struct pci_dev *pdev); #ifdef CONFIG_PM |