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path: root/drivers/usb/host/xhci-ring.c
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Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
-rw-r--r--drivers/usb/host/xhci-ring.c37
1 files changed, 5 insertions, 32 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 373e0e152854..46d0b9ad6f74 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1426,8 +1426,6 @@ static void xhci_handle_cmd_reset_ep(struct xhci_hcd *xhci, int slot_id,
/* Cleanup cancelled TDs as ep is stopped. May queue a Set TR Deq cmd */
xhci_invalidate_cancelled_tds(ep);
- if (xhci->quirks & XHCI_RESET_EP_QUIRK)
- xhci_dbg(xhci, "Note: Removed workaround to queue config ep for this hw");
/* Clear our internal halted state */
ep->ep_state &= ~EP_HALTED;
@@ -1471,17 +1469,13 @@ static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
struct xhci_input_control_ctx *ctrl_ctx;
struct xhci_ep_ctx *ep_ctx;
unsigned int ep_index;
- unsigned int ep_state;
- u32 add_flags, drop_flags;
+ u32 add_flags;
/*
- * Configure endpoint commands can come from the USB core
- * configuration or alt setting changes, or because the HW
- * needed an extra configure endpoint command after a reset
- * endpoint command or streams were being configured.
- * If the command was for a halted endpoint, the xHCI driver
- * is not waiting on the configure endpoint command.
+ * Configure endpoint commands can come from the USB core configuration
+ * or alt setting changes, or when streams were being configured.
*/
+
virt_dev = xhci->devs[slot_id];
if (!virt_dev)
return;
@@ -1492,34 +1486,13 @@ static void xhci_handle_cmd_config_ep(struct xhci_hcd *xhci, int slot_id,
}
add_flags = le32_to_cpu(ctrl_ctx->add_flags);
- drop_flags = le32_to_cpu(ctrl_ctx->drop_flags);
+
/* Input ctx add_flags are the endpoint index plus one */
ep_index = xhci_last_valid_endpoint(add_flags) - 1;
ep_ctx = xhci_get_ep_ctx(xhci, virt_dev->out_ctx, ep_index);
trace_xhci_handle_cmd_config_ep(ep_ctx);
- /* A usb_set_interface() call directly after clearing a halted
- * condition may race on this quirky hardware. Not worth
- * worrying about, since this is prototype hardware. Not sure
- * if this will work for streams, but streams support was
- * untested on this prototype.
- */
- if (xhci->quirks & XHCI_RESET_EP_QUIRK &&
- ep_index != (unsigned int) -1 &&
- add_flags - SLOT_FLAG == drop_flags) {
- ep_state = virt_dev->eps[ep_index].ep_state;
- if (!(ep_state & EP_HALTED))
- return;
- xhci_dbg_trace(xhci, trace_xhci_dbg_quirks,
- "Completed config ep cmd - "
- "last ep index = %d, state = %d",
- ep_index, ep_state);
- /* Clear internal halted state and restart ring(s) */
- virt_dev->eps[ep_index].ep_state &= ~EP_HALTED;
- ring_doorbell_for_active_rings(xhci, slot_id, ep_index);
- return;
- }
return;
}