From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754418AbcGYXQV (ORCPT ); Mon, 25 Jul 2016 19:16:21 -0400 Received: from mail-wm0-f66.google.com ([74.125.82.66]:33831 "EHLO mail-wm0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753089AbcGYXPO (ORCPT ); Mon, 25 Jul 2016 19:15:14 -0400 From: "Felipe F. Tonello" To: linux-usb@vger.kernel.org Cc: Felipe Balbi , linux-kernel@vger.kernel.org Subject: [PATCH 2/4] usb: gadget: f_midi: defaults buflen sizes to 512 Date: Tue, 26 Jul 2016 00:15:04 +0100 Message-Id: <20160725231506.3426-3-eu@felipetonello.com> X-Mailer: git-send-email 2.9.2 In-Reply-To: <20160725231506.3426-1-eu@felipetonello.com> References: <20160725231506.3426-1-eu@felipetonello.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 512 is the value used by wMaxPacketSize, as specified by the USB Spec. This makes sure this driver uses, by default, the most optimal value for IN and OUT endpoint requests. Signed-off-by: Felipe F. Tonello --- drivers/usb/gadget/function/f_midi.c | 2 +- drivers/usb/gadget/legacy/gmidi.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index a83d852b1da5..dd5cca6eae7c 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1123,7 +1123,7 @@ static struct usb_function_instance *f_midi_alloc_inst(void) opts->func_inst.free_func_inst = f_midi_free_inst; opts->index = SNDRV_DEFAULT_IDX1; opts->id = SNDRV_DEFAULT_STR1; - opts->buflen = 256; + opts->buflen = 512; opts->qlen = 32; opts->in_ports = 1; opts->out_ports = 1; diff --git a/drivers/usb/gadget/legacy/gmidi.c b/drivers/usb/gadget/legacy/gmidi.c index fc2ac150f5ff..0bf39c3ccdb1 100644 --- a/drivers/usb/gadget/legacy/gmidi.c +++ b/drivers/usb/gadget/legacy/gmidi.c @@ -47,7 +47,7 @@ static char *id = SNDRV_DEFAULT_STR1; module_param(id, charp, S_IRUGO); MODULE_PARM_DESC(id, "ID string for the USB MIDI Gadget adapter."); -static unsigned int buflen = 256; +static unsigned int buflen = 512; module_param(buflen, uint, S_IRUGO); MODULE_PARM_DESC(buflen, "MIDI buffer length"); -- 2.9.2