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usb: musb: add helper function musb_ep_xfertype_string 

Add helper function musb_ep_xfertype_string() to return the ep transfer
type string.

Signed-off-by: Bin Liu <b-liu@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Bin Liu 2017-08-24 11:38:32 -05:00 committed by Greg Kroah-Hartman
parent 17e15f6fbc
commit 0ccbadafb4
2 changed files with 25 additions and 5 deletions
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24
drivers/usb/musb/musb_core.h
View File

@ -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)

6
drivers/usb/musb/musb_gadget.c
View File

@ -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);