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authorMathias Nyman <mathias.nyman@linux.intel.com>2021-01-29 15:00:25 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-01-29 14:16:50 +0100
commitc089cadaa0dfb3a02c848197ef9106a04d445604 (patch)
treeb69ea86a4762dc91dce9f4f8f52c76c29be51a62
parent42f2890aa998d14a4b406644486d8e246bc1e4b2 (diff)
xhci: remove xhci_stream_id_to_ring() helper
The one case that used this function can use the xhci_triad_to_transfer_ring() helper instead. Avoid having several functions doing basically the same thing. Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Link: https://lore.kernel.org/r/20210129130044.206855-9-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/usb/host/xhci-mem.c17
-rw-r--r--drivers/usb/host/xhci-ring.c3
-rw-r--r--drivers/usb/host/xhci.h4
3 files changed, 2 insertions, 22 deletions
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index c136ca0502e3..f2c4ee7c4786 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -592,23 +592,6 @@ struct xhci_ring *xhci_dma_to_transfer_ring(
return ep->ring;
}
-struct xhci_ring *xhci_stream_id_to_ring(
- struct xhci_virt_device *dev,
- unsigned int ep_index,
- unsigned int stream_id)
-{
- struct xhci_virt_ep *ep = &dev->eps[ep_index];
-
- if (stream_id == 0)
- return ep->ring;
- if (!ep->stream_info)
- return NULL;
-
- if (stream_id >= ep->stream_info->num_streams)
- return NULL;
- return ep->stream_info->stream_rings[stream_id];
-}
-
/*
* Change an endpoint's internal structure so it supports stream IDs. The
* number of requested streams includes stream 0, which cannot be used by device
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 4cc1dc580ec6..54fcb907b2ba 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3042,7 +3042,8 @@ static int prepare_transfer(struct xhci_hcd *xhci,
struct xhci_ring *ep_ring;
struct xhci_ep_ctx *ep_ctx = xhci_get_ep_ctx(xhci, xdev->out_ctx, ep_index);
- ep_ring = xhci_stream_id_to_ring(xdev, ep_index, stream_id);
+ ep_ring = xhci_triad_to_transfer_ring(xhci, xdev->slot_id, ep_index,
+ stream_id);
if (!ep_ring) {
xhci_dbg(xhci, "Can't prepare ring for bad stream ID %u\n",
stream_id);
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index a9862f1083ad..d8a84455aabf 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2050,10 +2050,6 @@ void xhci_free_device_endpoint_resources(struct xhci_hcd *xhci,
struct xhci_ring *xhci_dma_to_transfer_ring(
struct xhci_virt_ep *ep,
u64 address);
-struct xhci_ring *xhci_stream_id_to_ring(
- struct xhci_virt_device *dev,
- unsigned int ep_index,
- unsigned int stream_id);
struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci,
bool allocate_completion, gfp_t mem_flags);
struct xhci_command *xhci_alloc_command_with_ctx(struct xhci_hcd *xhci,