ahci: add support for IBM Akebono platform device

commit 2435dcb98cfe13c246aa27df393e22bc24bbcd20 upstream.

The new IBM Akebono board has a PPC476GTR SoC with an AHCI compliant
SATA controller. This patch adds a compatible property for the new SoC
to the AHCI platform driver.

Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Tejun Heo <tj@kernel.org>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/ata/ahci_platform.c b/drivers/ata/ahci_platform.c
index 43b8758..6692108 100644 (file)
--- a/drivers/ata/ahci_platform.c
+++ b/drivers/ata/ahci_platform.c
@@ -204,6 +204,7 @@ static int __devexit ahci_remove(struct platform_device *pdev)
 
 static const struct of_device_id ahci_of_match[] = {
        { .compatible = "calxeda,hb-ahci", },
+       { .compatible = "ibm,476gtr-ahci", },
        {},
 };
 MODULE_DEVICE_TABLE(of, ahci_of_match);