This patch adds a new variable 'cmd_type' to hold the command type so that
switch cases can be simplified by removing TRB_TYPE() macro improving
code readability.
Signed-off-by: Xenia Ragiadakou <burzalodowa@xxxxxxxxx>
---
Differences from v3:
update changelog to report the reason for such change
drivers/usb/host/xhci-ring.c | 27 ++++++++++++++-------------
1 file changed, 14 insertions(+), 13 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 1df73c9..605c327 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1507,6 +1507,7 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
dma_addr_t cmd_dequeue_dma;
u32 cmd_comp_code;
union xhci_trb *cmd_trb;
+ u32 cmd_type;
cmd_dma = le64_to_cpu(event->cmd_trb);
cmd_trb = xhci->cmd_ring->dequeue;
@@ -1539,40 +1540,40 @@ static void handle_cmd_completion(struct xhci_hcd *xhci,
}
}
- switch (le32_to_cpu(cmd_trb->generic.field[3])
- & TRB_TYPE_BITMASK) {
- case TRB_TYPE(TRB_ENABLE_SLOT):
+ cmd_type = TRB_FIELD_TO_TYPE(le32_to_cpu(cmd_trb->generic.field[3]));
+ switch (cmd_type) {
+ case TRB_ENABLE_SLOT:
xhci_handle_cmd_enable_slot(xhci, slot_id, cmd_comp_code);
break;
- case TRB_TYPE(TRB_DISABLE_SLOT):
+ case TRB_DISABLE_SLOT:
xhci_handle_cmd_disable_slot(xhci, slot_id);
break;
- case TRB_TYPE(TRB_CONFIG_EP):
+ case TRB_CONFIG_EP:
xhci_handle_cmd_config_ep(xhci, slot_id, event, cmd_comp_code);
break;
- case TRB_TYPE(TRB_EVAL_CONTEXT):
+ case TRB_EVAL_CONTEXT:
xhci_handle_cmd_eval_ctx(xhci, slot_id, event, cmd_comp_code);
break;
- case TRB_TYPE(TRB_ADDR_DEV):
+ case TRB_ADDR_DEV:
xhci_handle_cmd_addr_dev(xhci, slot_id, cmd_comp_code);
break;
- case TRB_TYPE(TRB_STOP_RING):
+ case TRB_STOP_RING:
xhci_handle_cmd_stop_ep(xhci, cmd_trb, event);
break;
- case TRB_TYPE(TRB_SET_DEQ):
+ case TRB_SET_DEQ:
xhci_handle_cmd_set_deq(xhci, event, cmd_trb);
break;
- case TRB_TYPE(TRB_CMD_NOOP):
+ case TRB_CMD_NOOP:
break;
- case TRB_TYPE(TRB_RESET_EP):
+ case TRB_RESET_EP:
xhci_handle_cmd_reset_ep(xhci, event, cmd_trb);
break;
- case TRB_TYPE(TRB_RESET_DEV):
+ case TRB_RESET_DEV:
WARN_ON(slot_id != TRB_TO_SLOT_ID(
le32_to_cpu(cmd_trb->generic.field[3])));
xhci_handle_cmd_reset_dev(xhci, slot_id, event);
break;
- case TRB_TYPE(TRB_NEC_GET_FW):
+ case TRB_NEC_GET_FW:
xhci_handle_cmd_nec_get_fw(xhci, event);
break;
default:
--
1.8.3.4
--
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