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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-10-31 11:48:22 +0400
committerFelipe Balbi <balbi@ti.com>2011-12-12 13:45:08 +0400
commitf352741d2704a480a927160be8c910570bf51238 (patch)
tree43ca57cd4d497e4e770ac674a1e6f656018a5668 /drivers/usb/renesas_usbhs/mod_host.c
parentd399f90d192f4cbda2527d42d054d090e327a9a0 (diff)
downloadlinux-f352741d2704a480a927160be8c910570bf51238.tar.xz
usb: gadget: renesas_usbhs: cleanup usbhsh_endpoint_xxx()
this patch cleanup - make sure static function - remove unneeded label - useless local variable were removed Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/renesas_usbhs/mod_host.c')
-rw-r--r--drivers/usb/renesas_usbhs/mod_host.c59
1 files changed, 28 insertions, 31 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_host.c b/drivers/usb/renesas_usbhs/mod_host.c
index 1816a3e11b78..e09b64a92a4e 100644
--- a/drivers/usb/renesas_usbhs/mod_host.c
+++ b/drivers/usb/renesas_usbhs/mod_host.c
@@ -340,36 +340,26 @@ static void usbhsh_device_free(struct usbhsh_hpriv *hpriv,
/*
* end-point control
*/
-struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
+static struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
struct usbhsh_device *udev,
struct usb_host_endpoint *ep,
int dir_in_req,
gfp_t mem_flags)
{
struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);
- struct usb_hcd *hcd = usbhsh_hpriv_to_hcd(hpriv);
struct usbhsh_ep *uep;
struct usbhsh_pipe_info *info;
- struct usbhs_pipe *pipe, *best_pipe;
- struct device *dev = usbhsh_hcd_to_dev(hcd);
+ struct usbhs_pipe *best_pipe = NULL;
+ struct device *dev = usbhs_priv_to_dev(priv);
struct usb_endpoint_descriptor *desc = &ep->desc;
- int type, i, dir_in;
- unsigned int min_usr;
unsigned long flags;
- dir_in_req = !!dir_in_req;
-
uep = kzalloc(sizeof(struct usbhsh_ep), mem_flags);
if (!uep) {
dev_err(dev, "usbhsh_ep alloc fail\n");
return NULL;
}
- if (usb_endpoint_xfer_control(desc)) {
- best_pipe = usbhsh_hpriv_to_dcp(hpriv);
- goto usbhsh_endpoint_alloc_find_pipe;
- }
-
/******************** spin lock ********************/
usbhs_lock(priv, flags);
@@ -378,22 +368,29 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
* see
* HARDWARE LIMITATION
*/
- type = usb_endpoint_type(desc);
- min_usr = ~0;
- best_pipe = NULL;
- usbhs_for_each_pipe(pipe, priv, i) {
- if (!usbhs_pipe_type_is(pipe, type))
- continue;
-
- dir_in = !!usbhs_pipe_is_dir_in(pipe);
- if (0 != (dir_in - dir_in_req))
- continue;
-
- info = usbhsh_pipe_info(pipe);
-
- if (min_usr > info->usr_cnt) {
- min_usr = info->usr_cnt;
- best_pipe = pipe;
+ if (usb_endpoint_xfer_control(desc)) {
+ /* best pipe is DCP */
+ best_pipe = usbhsh_hpriv_to_dcp(hpriv);
+ } else {
+ struct usbhs_pipe *pipe;
+ unsigned int min_usr = ~0;
+ int i, dir_in;
+
+ dir_in_req = !!dir_in_req;
+
+ usbhs_for_each_pipe(pipe, priv, i) {
+ if (!usbhs_pipe_type_is(pipe, usb_endpoint_type(desc)))
+ continue;
+
+ dir_in = !!usbhs_pipe_is_dir_in(pipe);
+ if (0 != (dir_in - dir_in_req))
+ continue;
+
+ info = usbhsh_pipe_info(pipe);
+ if (min_usr > info->usr_cnt) {
+ min_usr = info->usr_cnt;
+ best_pipe = pipe;
+ }
}
}
@@ -415,7 +412,7 @@ struct usbhsh_ep *usbhsh_endpoint_alloc(struct usbhsh_hpriv *hpriv,
kfree(uep);
return NULL;
}
-usbhsh_endpoint_alloc_find_pipe:
+
/*
* init uep
*/
@@ -443,7 +440,7 @@ usbhsh_endpoint_alloc_find_pipe:
return uep;
}
-void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv,
+static void usbhsh_endpoint_free(struct usbhsh_hpriv *hpriv,
struct usb_host_endpoint *ep)
{
struct usbhs_priv *priv = usbhsh_hpriv_to_priv(hpriv);