diff options
Diffstat (limited to 'drivers/ata/ahci.c')
| -rw-r--r-- | drivers/ata/ahci.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index bca3d64d47e0..f7da21b0d157 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -1337,6 +1337,18 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) else if (pdev->vendor == 0x1c44 && pdev->device == 0x8000) ahci_pci_bar = AHCI_PCI_BAR_ENMOTUS; + /* + * The JMicron chip 361/363 contains one SATA controller and one + * PATA controller,for powering on these both controllers, we must + * follow the sequence one by one, otherwise one of them can not be + * powered on successfully, so here we disable the async suspend + * method for these chips. + */ + if (pdev->vendor == PCI_VENDOR_ID_JMICRON && + (pdev->device == PCI_DEVICE_ID_JMICRON_JMB363 || + pdev->device == PCI_DEVICE_ID_JMICRON_JMB361)) + device_disable_async_suspend(&pdev->dev); + /* acquire resources */ rc = pcim_enable_device(pdev); if (rc) |