JMB361 has only one port but reports it has two causing longish probe
failure on the second one. Quirk it.
Reported by Gajo Petrovic in bz 10911.
Signed-off-by: Tejun Heo <tj@xxxxxxxxxx>
Cc: Gajo Petrovic <gajo01@xxxxxxxxx>
---
Another hardware-specific workaround for #upstream-fixes.
drivers/ata/ahci.c | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 966ab40..29f34d0 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
--
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