Due to having no hardware for testing, this is just a sample code to support PCI device hot-removal. It just passing compilation, no any tests. Signed-off-by: Jiang Liu <jiang.liu@xxxxxxxxxxxxxxx> --- drivers/scsi/eata.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c index b92e6856f909..f3bd7cbf260e 100644 --- a/drivers/scsi/eata.c +++ b/drivers/scsi/eata.c @@ -1474,6 +1474,21 @@ static unsigned int port_probe(unsigned long port_base, #ifdef CONFIG_PCI static int eata2x_pci_device_count; +/* TODO: need help here to shutdown the scsi host and release resources */ +static void port_remove(unsigned int id, resource_size_t port_base, + struct pci_dev *pdev) +{ + struct Scsi_Host *shost = sh[id]; + + /* TODO: stop scsi device */ + scsi_unregister(shost); + /* TODO: clean up resources allocated by port_detect() */ + clear_bit(id, eata_board_bitmap); + free_irq(shost->irq, &sha[id]); + release_region(port_base, REGION_SIZE); + ida_simple_remove(&eata_ida, id); +} + static int eata2x_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) { int i, ret = -ENXIO; @@ -1521,6 +1536,16 @@ out_error: return ret; } +static void eata2x_pci_remove(struct pci_dev *pdev) +{ + int id = (int)(long)dev_get_drvdata(&pdev->dev); + resource_size_t port_base; + + port_base = pci_resource_start(pdev, 0) + PCI_BASE_ADDRESS_0; + port_remove(id, port_base, pdev); + pci_disable_device(pdev); +} + static struct pci_device_id eata2x_tbl[] = { { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_SCSI << 8, PCI_ANY_ID) }, { }, @@ -1531,6 +1556,7 @@ static struct pci_driver eata2x_pci_driver = { .name = "eata", .id_table = eata2x_tbl, .probe = eata2x_pci_probe, + .remove = eata2x_pci_remove, }; static int eata2x_probe_pci_devices(struct scsi_host_template *tpnt) -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html