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-rw-r--r--drivers/ata/ahci.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 966ab401e523..29f34d03bd75 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -653,6 +653,14 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
cap &= ~HOST_CAP_PMP;
}
+ if (pdev->vendor == PCI_VENDOR_ID_JMICRON && pdev->device == 0x2361 &&
+ port_map != 1) {
+ dev_printk(KERN_INFO, &pdev->dev,
+ "JMB361 has only one port, port_map 0x%x -> 0x%x\n",
+ port_map, 1);
+ port_map = 1;
+ }
+
/*
* Temporary Marvell 6145 hack: PATA port presence
* is asserted through the standard AHCI port