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usb: gadget: f_ncm: add support for no_skb_reserve

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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@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Yoshihiro Shimoda 2016-08-22 17:48:27 +09:00 committed by Felipe Balbi
parent 05f6b0ff68
commit c4824f11fe
1 changed files with 2 additions and 0 deletions
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2
drivers/usb/gadget/function/f_ncm.c
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@ -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);