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usb: host: xhci: Remove helper API retuning dcba dma address

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Since dcba dma address is not required by class driver
therefore remove the API definition.

Change-Id: I6851729f1ad4254bbfaf179755d9afa7870e8e01
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>
This commit is contained in:
Hemant Kumar 2017-09-22 14:03:22 -07:00 • committed by Ajay Agarwal
parent 039bcf340e
commit 9c1d883952
2 changed files with 0 additions and 14 deletions
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12
drivers/usb/host/xhci.c
View file

@ -4995,17 +4995,6 @@ dma_addr_t xhci_get_sec_event_ring_dma_addr(struct usb_hcd *hcd,
return 0;
}
dma_addr_t xhci_get_dcba_dma_addr(struct usb_hcd *hcd,
struct usb_device *udev)
{
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
if (!(xhci->xhc_state & XHCI_STATE_HALTED) && xhci->dcbaa)
return xhci->dcbaa->dev_context_ptrs[udev->slot_id];
return 0;
}
dma_addr_t xhci_get_xfer_ring_dma_addr(struct usb_hcd *hcd,
struct usb_device *udev, struct usb_host_endpoint *ep)
{
@ -5101,7 +5090,6 @@ static const struct hc_driver xhci_hc_driver = {
.sec_event_ring_cleanup = xhci_sec_event_ring_cleanup,
.get_sec_event_ring_dma_addr = xhci_get_sec_event_ring_dma_addr,
.get_xfer_ring_dma_addr = xhci_get_xfer_ring_dma_addr,
.get_dcba_dma_addr = xhci_get_dcba_dma_addr,
.get_core_id = xhci_get_core_id,
};

2
include/linux/usb/hcd.h
View file

@ -403,8 +403,6 @@ struct hc_driver {
unsigned intr_num);
dma_addr_t (*get_xfer_ring_dma_addr)(struct usb_hcd *hcd,
struct usb_device *udev, struct usb_host_endpoint *ep);
dma_addr_t (*get_dcba_dma_addr)(struct usb_hcd *hcd,
struct usb_device *udev);
int (*get_core_id)(struct usb_hcd *hcd);
};