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usb: host: xhci: extract xhci_slot_state_string()

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By extracting and exposing xhci_slot_state_string() in a header file, we
can re-use it to print Slot Context State from our tracepoints, which
can aid in tracking down problems related to command execution.

Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Felipe Balbi
2017-04-07 17:56:56 +03:00
committed by Greg Kroah-Hartman
parent eaa9eb71a2
commit 52407729fb
2 changed files with 18 additions and 12 deletions
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14
drivers/usb/host/xhci-dbg.c
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@@ -451,19 +451,9 @@ char *xhci_get_slot_state(struct xhci_hcd *xhci,
struct xhci_container_ctx *ctx)
{
struct xhci_slot_ctx *slot_ctx = xhci_get_slot_ctx(xhci, ctx);
int state = GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state));
switch (GET_SLOT_STATE(le32_to_cpu(slot_ctx->dev_state))) {
case SLOT_STATE_ENABLED:
return "enabled/disabled";
case SLOT_STATE_DEFAULT:
return "default";
case SLOT_STATE_ADDRESSED:
return "addressed";
case SLOT_STATE_CONFIGURED:
return "configured";
default:
return "reserved";
}
return xhci_slot_state_string(state);
}
static void xhci_dbg_slot_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx)