[RFC v3 03/18] xhci: refactor TRB_ENABLE_SLOT case into function

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This patch refactors the code in TRB_ENABLE_SLOT switch case in
handle_cmd_completion() into a fuction named xhci_handle_cmd_enable_slot().

Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
---
 drivers/usb/host/xhci-ring.c | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index ffd224c..0abf88c 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1370,6 +1370,16 @@ static int handle_stopped_cmd_ring(struct xhci_hcd *xhci,
 	return cur_trb_is_good;
 }
 
+static void xhci_handle_cmd_enable_slot(struct xhci_hcd *xhci, int slot_id,
+		u32 cmd_comp_code)
+{
+	if (cmd_comp_code == COMP_SUCCESS)
+		xhci->slot_id = slot_id;
+	else
+		xhci->slot_id = 0;
+	complete(&xhci->addr_dev);
+}
+
 static void handle_cmd_completion(struct xhci_hcd *xhci,
 		struct xhci_event_cmd *event)
 {
@@ -1417,11 +1427,8 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
 	switch (le32_to_cpu(xhci->cmd_ring->dequeue->generic.field[3])
 		& TRB_TYPE_BITMASK) {
 	case TRB_TYPE(TRB_ENABLE_SLOT):
-		if (GET_COMP_CODE(le32_to_cpu(event->status)) == COMP_SUCCESS)
-			xhci->slot_id = slot_id;
-		else
-			xhci->slot_id = 0;
-		complete(&xhci->addr_dev);
+		xhci_handle_cmd_enable_slot(xhci, slot_id,
+				GET_COMP_CODE(le32_to_cpu(event->status)));
 		break;
 	case TRB_TYPE(TRB_DISABLE_SLOT):
 		if (xhci->devs[slot_id]) {
-- 
1.8.3.4

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