From: Felipe F. Tonello Date: Mon, 8 Aug 2016 20:30:08 +0000 (+0100) Subject: usb: gadget: f_midi: defaults buflen sizes to 512 X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=7ea9fde7605c3d224ba28cd17ffd8ac408453a96;p=deliverable%2Flinux.git usb: gadget: f_midi: defaults buflen sizes to 512 512 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 Signed-off-by: Felipe Balbi --- diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c index 39018dea7035..a7b50ac947f8 100644 --- a/drivers/usb/gadget/function/f_midi.c +++ b/drivers/usb/gadget/function/f_midi.c @@ -1122,7 +1122,7 @@ 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");