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authorFelipe Balbi <balbi@ti.com>2013-02-26 10:50:42 +0200
committerFelipe Balbi <balbi@ti.com>2013-03-18 11:17:17 +0200
commit658c8cf14dce1093e9f810f7e04a711ed79da6bd (patch)
tree465403b392659844f978bc0af6a39248dc466358 /drivers/usb/gadget/udc-core.c
parentef222cb5b575df57d8cd511965800519b90a6c31 (diff)
usb: gadget: udc-core: copy dma-related parameters from parent
gadget's device pointer now is guaranteed to have valid dma_mask, dma_parms and coherent_dma_mask fields since we're always copying from our parent device. Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget/udc-core.c')
-rw-r--r--drivers/usb/gadget/udc-core.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 8a1eeb24ae6a..3e19a016c197 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -185,6 +185,10 @@ int usb_add_gadget_udc(struct device *parent, struct usb_gadget *gadget)
dev_set_name(&gadget->dev, "gadget");
+ dma_set_coherent_mask(&gadget->dev, parent->coherent_dma_mask);
+ gadget->dev.dma_parms = parent->dma_parms;
+ gadget->dev.dma_mask = parent->dma_mask;
+
ret = device_register(&gadget->dev);
if (ret)
goto err2;