Commit 4ffb4318 authored by Russell King's avatar Russell King

DMA-API: usb: ohci-sa1111: add a note about DMA masks

Add a comment to explain why this driver doesn't call any of the DMA
API dma_set_mask() functions.
Signed-off-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
parent e0a8ba25
...@@ -185,6 +185,12 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev) ...@@ -185,6 +185,12 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev)
if (usb_disabled()) if (usb_disabled())
return -ENODEV; return -ENODEV;
/*
* We don't call dma_set_mask_and_coherent() here because the
* DMA mask has already been appropraitely setup by the core
* SA-1111 bus code (which includes bug workarounds.)
*/
hcd = usb_create_hcd(&ohci_sa1111_hc_driver, &dev->dev, "sa1111"); hcd = usb_create_hcd(&ohci_sa1111_hc_driver, &dev->dev, "sa1111");
if (!hcd) if (!hcd)
return -ENOMEM; return -ENOMEM;
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment