linux-kernel - [PATCH v4 2/7] usb: gadget: f

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Date:	Mon, 26 Oct 2015 16:55:04 +0000
From:	"Felipe F. Tonello" <eu@...ipetonello.com>
To:	linux-usb@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, Felipe Balbi <balbi@...com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Andrzej Pietrasiewicz <andrzej.p@...sung.com>,
	Clemens Ladisch <clemens@...isch.de>
Subject: [PATCH v4 2/7] usb: gadget: f_midi: remove duplicated code

This code is duplicated from f_midi_start_ep(midi, f, midi->out_ep).

Signed-off-by: Felipe F. Tonello <eu@...ipetonello.com>
---
 drivers/usb/gadget/function/f_midi.c | 20 --------------------
 1 file changed, 20 deletions(-)

diff --git a/drivers/usb/gadget/function/f_midi.c b/drivers/usb/gadget/function/f_midi.c
index e08f365..c19f154 100644
--- a/drivers/usb/gadget/function/f_midi.c
+++ b/drivers/usb/gadget/function/f_midi.c
@@ -326,7 +326,6 @@ static int f_midi_start_ep(struct f_midi *midi,
 static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 {
 	struct f_midi *midi = func_to_midi(f);
-	struct usb_composite_dev *cdev = f->config->cdev;
 	unsigned i;
 	int err;
 
@@ -339,25 +338,6 @@ static int f_midi_set_alt(struct usb_function *f, unsigned intf, unsigned alt)
 	if (err)
 		return err;
 
-	if (midi->out_ep->driver_data)
-		usb_ep_disable(midi->out_ep);
-
-	err = config_ep_by_speed(midi->gadget, f, midi->out_ep);
-	if (err) {
-		ERROR(cdev, "can't configure %s: %d\n",
-		      midi->out_ep->name, err);
-		return err;
-	}
-
-	err = usb_ep_enable(midi->out_ep);
-	if (err) {
-		ERROR(cdev, "can't start %s: %d\n",
-		      midi->out_ep->name, err);
-		return err;
-	}
-
-	midi->out_ep->driver_data = midi;
-
 	/* allocate a bunch of read buffers and queue them all at once. */
 	for (i = 0; i < midi->qlen && err == 0; i++) {
 		struct usb_request *req =
-- 
2.1.4

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