This patch adds to support no_skb_reserve function to improve performance for some platforms. About the detail, please refer to the commit log of "quirk_avoids_skb_reserve" in include/linux/usb/gadget.h. Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@xxxxxxxxxxx> --- drivers/usb/gadget/function/f_ncm.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/usb/gadget/function/f_ncm.c b/drivers/usb/gadget/function/f_ncm.c index 08cff49..6396037 100644 --- a/drivers/usb/gadget/function/f_ncm.c +++ b/drivers/usb/gadget/function/f_ncm.c @@ -924,6 +924,8 @@ static int ncm_set_alt(struct usb_function *f, unsigned intf, unsigned alt) */ ncm->port.is_zlp_ok = gadget_is_zlp_supported(cdev->gadget); + ncm->port.no_skb_reserve = + gadget_avoids_skb_reserve(cdev->gadget); ncm->port.cdc_filter = DEFAULT_FILTER; DBG(cdev, "activate ncm\n"); net = gether_connect(&ncm->port); -- 1.9.1
