diff options
| author | Tejun Heo <htejun@gmail.com> | 2007-02-26 14:09:02 +0300 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2007-03-02 04:19:45 +0300 |
| commit | 960627b7adf3645e4969b4bfaf03360caabbe76a (patch) | |
| tree | e922681ace09b5027653a1fddd742a6509698e4b /drivers/ata/pata_jmicron.c | |
| parent | 09125ea6179b28790950b7ddb4daba112f6c2b73 (diff) | |
| download | linux-960627b7adf3645e4969b4bfaf03360caabbe76a.tar.xz | |
pata_jmicron: drop unnecessary device programming in [re]init
Channel redirect and AHCI mode enable programmings are done via PCI
quirk for both probe and resume paths. Drop duplicate and possibly
unsafe device programming from pata_jmicron().
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
Diffstat (limited to 'drivers/ata/pata_jmicron.c')
| -rw-r--r-- | drivers/ata/pata_jmicron.c | 32 |
1 files changed, 1 insertions, 31 deletions
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c index 7a635dd326f8..c40d09206e45 100644 --- a/drivers/ata/pata_jmicron.c +++ b/drivers/ata/pata_jmicron.c @@ -202,43 +202,13 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i }; struct ata_port_info *port_info[2] = { &info, &info }; - u32 reg; - /* PATA controller is fn 1, AHCI is fn 0 */ if (id->driver_data != 368 && PCI_FUNC(pdev->devfn) != 1) return -ENODEV; - /* The 365/66 have two PATA channels, redirect the second */ - if (id->driver_data == 365 || id->driver_data == 366) { - pci_read_config_dword(pdev, 0x80, ®); - reg |= (1 << 24); /* IDE1 to PATA IDE secondary */ - pci_write_config_dword(pdev, 0x80, reg); - } - return ata_pci_init_one(pdev, port_info, 2); } -static int jmicron_reinit_one(struct pci_dev *pdev) -{ - u32 reg; - - switch(pdev->device) { - case PCI_DEVICE_ID_JMICRON_JMB368: - break; - case PCI_DEVICE_ID_JMICRON_JMB365: - case PCI_DEVICE_ID_JMICRON_JMB366: - /* Restore mapping or disks swap and boy does it get ugly */ - pci_read_config_dword(pdev, 0x80, ®); - reg |= (1 << 24); /* IDE1 to PATA IDE secondary */ - pci_write_config_dword(pdev, 0x80, reg); - /* Fall through */ - default: - /* Make sure AHCI is turned back on */ - pci_write_config_byte(pdev, 0x41, 0xa1); - } - return ata_pci_device_resume(pdev); -} - static const struct pci_device_id jmicron_pci_tbl[] = { { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB361), 361}, { PCI_VDEVICE(JMICRON, PCI_DEVICE_ID_JMICRON_JMB363), 363}, @@ -255,7 +225,7 @@ static struct pci_driver jmicron_pci_driver = { .probe = jmicron_init_one, .remove = ata_pci_remove_one, .suspend = ata_pci_device_suspend, - .resume = jmicron_reinit_one, + .resume = ata_pci_device_resume, }; static int __init jmicron_init(void) |