Add helper function musb_ep_xfertype_string() to return the ep transfer
type string.
Signed-off-by: Bin Liu <b-liu@xxxxxx>
---
drivers/usb/musb/musb_core.h | 24 ++++++++++++++++++++++++
drivers/usb/musb/musb_gadget.c | 6 +-----
2 files changed, 25 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/musb/musb_core.h b/drivers/usb/musb/musb_core.h
index 9f22c5b8ce37..c748f4ac1154 100644
--- a/drivers/usb/musb/musb_core.h
+++ b/drivers/usb/musb/musb_core.h
@@ -465,6 +465,30 @@ static inline struct musb *gadget_to_musb(struct usb_gadget *g)
return container_of(g, struct musb, g);
}
+static inline char *musb_ep_xfertype_string(u8 type)
+{
+ char *s;
+
+ switch (type) {
+ case USB_ENDPOINT_XFER_CONTROL:
+ s = "ctrl";
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ s = "iso";
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ s = "bulk";
+ break;
+ case USB_ENDPOINT_XFER_INT:
+ s = "int";
+ break;
+ default:
+ s = "";
+ break;
+ }
+ return s;
+}
+
#ifdef CONFIG_BLACKFIN
static inline int musb_read_fifosize(struct musb *musb,
struct musb_hw_ep *hw_ep, u8 epnum)
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 1acc4864f9f6..bc6d1717c9ec 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -1105,11 +1105,7 @@ static int musb_gadget_enable(struct usb_ep *ep,
pr_debug("%s periph: enabled %s for %s %s, %smaxpacket %d\n",
musb_driver_name, musb_ep->end_point.name,
- ({ char *s; switch (musb_ep->type) {
- case USB_ENDPOINT_XFER_BULK: s = "bulk"; break;
- case USB_ENDPOINT_XFER_INT: s = "int"; break;
- default: s = "iso"; break;
- } s; }),
+ musb_ep_xfertype_string(musb_ep->type),
musb_ep->is_in ? "IN" : "OUT",
musb_ep->dma ? "dma, " : "",
musb_ep->packet_sz);
--
1.9.1
--
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