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-rw-r--r--drivers/ata/ahci.c12
-rw-r--r--drivers/ata/pata_jmicron.c12
2 files changed, 24 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)
diff --git a/drivers/ata/pata_jmicron.c b/drivers/ata/pata_jmicron.c
index 4d1a5d2c4287..47e418b8c8ba 100644
--- a/drivers/ata/pata_jmicron.c
+++ b/drivers/ata/pata_jmicron.c
@@ -143,6 +143,18 @@ static int jmicron_init_one (struct pci_dev *pdev, const struct pci_device_id *i
};
const struct ata_port_info *ppi[] = { &info, NULL };
+ /*
+ * 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);
+
return ata_pci_bmdma_init_one(pdev, ppi, &jmicron_sht, NULL, 0);
}