diff options
| author | Bin Liu <b-liu@ti.com> | 2017-08-24 18:38:32 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-28 10:51:55 +0200 |
| commit | 0ccbadafb4130407dc594395577e9e40f5b03ad6 (patch) | |
| tree | 56a7ecd00e5a5a26b87e89ca4173efb1c7b13480 /drivers/usb | |
| parent | Merge tag 'usb-ci-v4.14-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git... (diff) | |
| download | linux-0ccbadafb4130407dc594395577e9e40f5b03ad6.tar.xz linux-0ccbadafb4130407dc594395577e9e40f5b03ad6.zip | |
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>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/musb/musb_core.h | 24 | ||||
| -rw-r--r-- | 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); |