diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-07-07 07:23:24 (GMT) |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-07-08 21:57:12 (GMT) |
| commit | 233f519d273454e3e804e21363d5ef0bd031acfe (patch) | |
| tree | a8ecdc7ba5d108962e9be01f737e7b2af4ac6374 /drivers/usb/renesas_usbhs/mod_gadget.c | |
| parent | 45304e8cd9d9df07e9221551678262b390bdaaa4 (diff) | |
| download | linux-233f519d273454e3e804e21363d5ef0bd031acfe.tar.xz | |
usb: renesas_usbhs: fixup comment-out
This patch add/modify comment-out of renesas_usbhs.
On this process, usbhs_pkt_init was moved because it was placed under
usbhsf_null_handler which has no relationship it
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod_gadget.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 9a8e2e9..cc3ad63 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -114,7 +114,7 @@ struct usbhsg_recip_handle { #define usbhsg_status_has(gp, b) (gp->status & b) /* - * list push/pop + * queue push/pop */ static void usbhsg_queue_push(struct usbhsg_uep *uep, struct usbhsg_request *ureq) @@ -160,6 +160,9 @@ static void usbhsg_queue_done(struct usbhs_pkt *pkt) usbhsg_queue_pop(uep, ureq, 0); } +/* + * dma map/unmap + */ static int usbhsg_dma_map(struct device *dev, struct usbhs_pkt *pkt, enum dma_data_direction dir) @@ -473,6 +476,11 @@ static int usbhsg_ep_enable(struct usb_ep *ep, uep->pipe = pipe; pipe->mod_private = uep; + /* + * usbhs_fifo_dma_push/pop_handler try to + * use dmaengine if possible. + * It will use pio handler if impossible. + */ if (usb_endpoint_dir_in(desc)) uep->handler = &usbhs_fifo_dma_push_handler; else |