usb: gadget: factor out alloc_ep_req
alloc_ep_req() is a function repeated in several modules.
Make a common implementation and use it.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/f_loopback.c b/drivers/usb/gadget/f_loopback.c
index 4a3873a..b790653 100644
--- a/drivers/usb/gadget/f_loopback.c
+++ b/drivers/usb/gadget/f_loopback.c
@@ -20,6 +20,7 @@
#include <linux/usb/composite.h>
#include "g_zero.h"
+#include "u_f.h"
/*
* LOOPBACK FUNCTION ... a testing vehicle for USB peripherals,
@@ -293,6 +294,11 @@
VDBG(cdev, "%s disabled\n", loop->function.name);
}
+static inline struct usb_request *lb_alloc_ep_req(struct usb_ep *ep, int len)
+{
+ return alloc_ep_req(ep, len, buflen);
+}
+
static int
enable_loopback(struct usb_composite_dev *cdev, struct f_loopback *loop)
{
@@ -332,7 +338,7 @@
* than 'buflen' bytes each.
*/
for (i = 0; i < qlen && result == 0; i++) {
- req = alloc_ep_req(ep, 0);
+ req = lb_alloc_ep_req(ep, 0);
if (req) {
req->complete = loopback_complete;
result = usb_ep_queue(ep, req, GFP_ATOMIC);