diff options
| author | Ajay Agarwal <ajaya@codeaurora.org> | 2018-05-04 10:15:01 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2018-05-15 07:17:08 -0700 |
| commit | d2b0c86b23cf583ca513fe7219052ca367da2243 (patch) | |
| tree | 21bbff2c6eb3ec8949c0a7c8ccc680e5f94cc3ae /drivers/usb/core | |
| parent | ca3d15e44b795dadff563918a96b99a448d32ec4 (diff) | |
Revert "usb: core: Remove helper APIs returning dcba dma address"
This reverts commit 039bcf340ea35f1e5c4a81f290455570097d7d62.
Add back helper APIs to return dcba dma address.
Change-Id: Ia65e98691d1a3c241694f07215c12605832f574d
Signed-off-by: Ajay Agarwal <ajaya@codeaurora.org>
Diffstat (limited to 'drivers/usb/core')
| -rw-r--r-- | drivers/usb/core/hcd.c | 11 | ||||
| -rw-r--r-- | drivers/usb/core/usb.c | 10 |
2 files changed, 21 insertions, 0 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 592f45e6dbac..d7b580cf7f57 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2242,6 +2242,17 @@ usb_hcd_get_sec_event_ring_dma_addr(struct usb_device *udev, } dma_addr_t +usb_hcd_get_dcba_dma_addr(struct usb_device *udev) +{ + struct usb_hcd *hcd = bus_to_hcd(udev->bus); + + if (!HCD_RH_RUNNING(hcd)) + return 0; + + return hcd->driver->get_dcba_dma_addr(hcd, udev); +} + +dma_addr_t usb_hcd_get_xfer_ring_dma_addr(struct usb_device *udev, struct usb_host_endpoint *ep) { diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 65bf86f18a34..e64fd6570a23 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -697,6 +697,16 @@ usb_get_sec_event_ring_dma_addr(struct usb_device *dev, } EXPORT_SYMBOL(usb_get_sec_event_ring_dma_addr); +dma_addr_t +usb_get_dcba_dma_addr(struct usb_device *dev) +{ + if (dev->state == USB_STATE_NOTATTACHED) + return 0; + + return usb_hcd_get_dcba_dma_addr(dev); +} +EXPORT_SYMBOL(usb_get_dcba_dma_addr); + dma_addr_t usb_get_xfer_ring_dma_addr(struct usb_device *dev, struct usb_host_endpoint *ep) { |