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authorTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
committerTakashi Iwai <tiwai@suse.de>2012-10-30 11:08:25 +0100
commita5d00dc3a4b65ed38249f3225e453944c633747b (patch)
tree6249ca5a5f13059f42890525a9ea7133778f3891 /drivers/usb/host/uhci-platform.c
parent1a8506d4402b6e96c2ed778dc7ccbb48d1e02fce (diff)
parent0914f7961babbf28aaa2f19b453951fb4841c03f (diff)
Merge branch 'for-linus' into for-next
... for migrating the core changes for USB-audio disconnection fixes
Diffstat (limited to 'drivers/usb/host/uhci-platform.c')
-rw-r--r--drivers/usb/host/uhci-platform.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/usb/host/uhci-platform.c b/drivers/usb/host/uhci-platform.c
index e4780491df4a..68ebf20e1519 100644
--- a/drivers/usb/host/uhci-platform.c
+++ b/drivers/usb/host/uhci-platform.c
@@ -60,6 +60,7 @@ static const struct hc_driver uhci_platform_hc_driver = {
.hub_control = uhci_hub_control,
};
+static u64 platform_uhci_dma_mask = DMA_BIT_MASK(32);
static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
{
@@ -71,6 +72,14 @@ static int __devinit uhci_hcd_platform_probe(struct platform_device *pdev)
if (usb_disabled())
return -ENODEV;
+ /*
+ * Right now device-tree probed devices don't get dma_mask set.
+ * Since shared usb code relies on it, set it here for now.
+ * Once we have dma capability bindings this can go away.
+ */
+ if (!pdev->dev.dma_mask)
+ pdev->dev.dma_mask = &platform_uhci_dma_mask;
+
hcd = usb_create_hcd(&uhci_platform_hc_driver, &pdev->dev,
pdev->name);
if (!hcd)