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_sourcesink.c b/drivers/usb/gadget/f_sourcesink.c
index a889585..c5ad4a1 100644
--- a/drivers/usb/gadget/f_sourcesink.c
+++ b/drivers/usb/gadget/f_sourcesink.c
@@ -21,6 +21,7 @@
#include "g_zero.h"
#include "gadget_chips.h"
+#include "u_f.h"
/*
* SOURCE/SINK FUNCTION ... a primary testing vehicle for USB peripheral
@@ -301,23 +302,9 @@
/*-------------------------------------------------------------------------*/
-struct usb_request *alloc_ep_req(struct usb_ep *ep, int len)
+static inline struct usb_request *ss_alloc_ep_req(struct usb_ep *ep, int len)
{
- struct usb_request *req;
-
- req = usb_ep_alloc_request(ep, GFP_ATOMIC);
- if (req) {
- if (len)
- req->length = len;
- else
- req->length = buflen;
- req->buf = kmalloc(req->length, GFP_ATOMIC);
- if (!req->buf) {
- usb_ep_free_request(ep, req);
- req = NULL;
- }
- }
- return req;
+ return alloc_ep_req(ep, len, buflen);
}
void free_ep_req(struct usb_ep *ep, struct usb_request *req)
@@ -628,10 +615,10 @@
break;
}
ep = is_in ? ss->iso_in_ep : ss->iso_out_ep;
- req = alloc_ep_req(ep, size);
+ req = ss_alloc_ep_req(ep, size);
} else {
ep = is_in ? ss->in_ep : ss->out_ep;
- req = alloc_ep_req(ep, 0);
+ req = ss_alloc_ep_req(ep, 0);
}
if (!req)