usb: gadget: renesas_usbhs: remove desc from usbhs_pipe_malloc

Current usbhs_pipe_malloc() used usb_endpoint_descriptor to
get necessary information.
It was very good for mod_gadget which allocate pipe in runtime,
but is not good for mod_host which allocate pipe in initial timing.
This patch remove usb_endpoint_descriptor from usbhs_pipe_malloc()

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

3 files changed, 45 insertions, 38 deletions

diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index c5c9ee5abb7a..5a697b76ff12 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -483,11 +483,18 @@ static int usbhsg_ep_enable(struct usb_ep *ep,
                 return 0;
         }
 
-        pipe = usbhs_pipe_malloc(priv, desc);
+        pipe = usbhs_pipe_malloc(priv,
+                                 usb_endpoint_type(desc),
+                                 usb_endpoint_dir_in(desc));
         if (pipe) {
                 uep->pipe               = pipe;
                 pipe->mod_private       = uep;
 
+                /* set epnum / maxp */
+                usbhs_pipe_config_update(pipe,
+                                         usb_endpoint_num(desc),
+                                         usb_endpoint_maxp(desc));
+
                 /*
                  * usbhs_fifo_dma_push/pop_handler try to
                  * use dmaengine if possible.
@@ -667,6 +674,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status)
         /* dcp init */
         dcp->pipe               = usbhs_dcp_malloc(priv);
         dcp->pipe->mod_private  = dcp;
+        usbhs_pipe_config_update(dcp->pipe, 0, 64);
 
         /*
          * system config enble
diff --git a/drivers/usb/renesas_usbhs/pipe.c b/drivers/usb/renesas_usbhs/pipe.c
index 3bbbbb403f01..1af19059dd02 100644
--- a/drivers/usb/renesas_usbhs/pipe.c
+++ b/drivers/usb/renesas_usbhs/pipe.c
@@ -311,8 +311,8 @@ static int usbhsp_possible_double_buffer(struct usbhs_pipe *pipe)
 }
 
 static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
-                                const struct usb_endpoint_descriptor *desc,
-                                int is_host)
+                                int is_host,
+                                int dir_in)
 {
         u16 type = 0;
         u16 bfre = 0;
@@ -358,11 +358,11 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
                 cntmd = 0; /* FIXME */
 
         /* DIR */
-        if (usb_endpoint_dir_in(desc))
+        if (dir_in)
                 usbhsp_flags_set(pipe, IS_DIR_HOST);
 
-        if ((is_host  && usb_endpoint_dir_out(desc)) ||
-            (!is_host && usb_endpoint_dir_in(desc)))
+        if ((is_host  && !dir_in) ||
+            (!is_host && dir_in))
                 dir |= DIR_OUT;
 
         if (!dir)
@@ -374,7 +374,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
                 shtnak = SHTNAK;
 
         /* EPNUM */
-        epnum = 0xF & usb_endpoint_num(desc);
+        epnum = 0; /* see usbhs_pipe_config_update() */
 
         return  type    |
                 bfre    |
@@ -385,19 +385,7 @@ static u16 usbhsp_setup_pipecfg(struct usbhs_pipe *pipe,
                 epnum;
 }
 
-static u16 usbhsp_setup_pipemaxp(struct usbhs_pipe *pipe,
-                                 const struct usb_endpoint_descriptor *desc,
-                                 int is_host)
-{
-        /* host should set DEVSEL */
-
-        /* reutn MXPS */
-        return PIPE_MAXP_MASK & usb_endpoint_maxp(desc);
-}
-
-static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
-                                 const struct usb_endpoint_descriptor *desc,
-                                 int is_host)
+static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe)
 {
         struct usbhs_priv *priv = usbhs_pipe_to_priv(pipe);
         struct usbhs_pipe_info *info = usbhs_priv_to_pipeinfo(priv);
@@ -473,6 +461,17 @@ static u16 usbhsp_setup_pipebuff(struct usbhs_pipe *pipe,
                 (0xff & bufnmb)         <<  0;
 }
 
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 epnum, u16 maxp)
+{
+        usbhsp_pipe_barrier(pipe);
+
+        usbhsp_pipe_select(pipe);
+        usbhsp_pipe_maxp_set(pipe, 0xFFFF, maxp);
+
+        if (!usbhs_pipe_is_dcp(pipe))
+                usbhsp_pipe_cfg_set(pipe,  0x000F, epnum);
+}
+
 /*
  *              pipe control
  */
@@ -582,19 +581,20 @@ void usbhs_pipe_init(struct usbhs_priv *priv,
 }
 
 struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
-                                     const struct usb_endpoint_descriptor *desc)
+                                     int endpoint_type,
+                                     int dir_in)
 {
         struct device *dev = usbhs_priv_to_dev(priv);
         struct usbhs_mod *mod = usbhs_mod_get_current(priv);
         struct usbhs_pipe *pipe;
         int is_host = usbhs_mod_is_host(priv, mod);
         int ret;
-        u16 pipecfg, pipebuf, pipemaxp;
+        u16 pipecfg, pipebuf;
 
-        pipe = usbhsp_get_pipe(priv, usb_endpoint_type(desc));
+        pipe = usbhsp_get_pipe(priv, endpoint_type);
         if (!pipe) {
                 dev_err(dev, "can't get pipe (%s)\n",
-                        usbhsp_pipe_name[usb_endpoint_type(desc)]);
+                        usbhsp_pipe_name[endpoint_type]);
                 return NULL;
         }
 
@@ -609,22 +609,25 @@ struct usbhs_pipe *usbhs_pipe_malloc(struct usbhs_priv *priv,
                 return NULL;
         }
 
-        pipecfg  = usbhsp_setup_pipecfg(pipe,  desc, is_host);
-        pipebuf  = usbhsp_setup_pipebuff(pipe, desc, is_host);
-        pipemaxp = usbhsp_setup_pipemaxp(pipe, desc, is_host);
+        pipecfg  = usbhsp_setup_pipecfg(pipe, is_host, dir_in);
+        pipebuf  = usbhsp_setup_pipebuff(pipe);
 
         usbhsp_pipe_select(pipe);
         usbhsp_pipe_cfg_set(pipe, 0xFFFF, pipecfg);
         usbhsp_pipe_buf_set(pipe, 0xFFFF, pipebuf);
-        usbhsp_pipe_maxp_set(pipe, 0xFFFF, pipemaxp);
 
         usbhs_pipe_clear_sequence(pipe);
 
         dev_dbg(dev, "enable pipe %d : %s (%s)\n",
                 usbhs_pipe_number(pipe),
-                usbhsp_pipe_name[usb_endpoint_type(desc)],
+                usbhsp_pipe_name[endpoint_type],
                 usbhs_pipe_is_dir_in(pipe) ? "in" : "out");
 
+        /*
+         * epnum / maxp are still not set to this pipe.
+         * call usbhs_pipe_config_update() after this function !!
+         */
+
         return pipe;
 }
 
@@ -651,16 +654,12 @@ struct usbhs_pipe *usbhs_dcp_malloc(struct usbhs_priv *priv)
         if (!pipe)
                 return NULL;
 
+        INIT_LIST_HEAD(&pipe->list);
+
         /*
-         * dcpcfg  : default
-         * dcpmaxp : default
-         * pipebuf : nothing to do
+         * call usbhs_pipe_config_update() after this function !!
          */
 
-        usbhsp_pipe_select(pipe);
-        usbhs_pipe_clear_sequence(pipe);
-        INIT_LIST_HEAD(&pipe->list);
-
         return pipe;
 }
 
diff --git a/drivers/usb/renesas_usbhs/pipe.h b/drivers/usb/renesas_usbhs/pipe.h
index 41534cb0e734..46707b5ecb75 100644
--- a/drivers/usb/renesas_usbhs/pipe.h
+++ b/drivers/usb/renesas_usbhs/pipe.h
@@ -76,8 +76,7 @@ void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
  * pipe control
  */
 struct usbhs_pipe
-*usbhs_pipe_malloc(struct usbhs_priv *priv,
-                   const struct usb_endpoint_descriptor *desc);
+*usbhs_pipe_malloc(struct usbhs_priv *priv, int endpoint_type, int dir_in);
 int usbhs_pipe_probe(struct usbhs_priv *priv);
 void usbhs_pipe_remove(struct usbhs_priv *priv);
 int usbhs_pipe_is_dir_in(struct usbhs_pipe *pipe);
@@ -93,6 +92,7 @@ void usbhs_pipe_enable(struct usbhs_pipe *pipe);
 void usbhs_pipe_disable(struct usbhs_pipe *pipe);
 void usbhs_pipe_stall(struct usbhs_pipe *pipe);
 void usbhs_pipe_select_fifo(struct usbhs_pipe *pipe, struct usbhs_fifo *fifo);
+void usbhs_pipe_config_update(struct usbhs_pipe *pipe, u16 epnum, u16 maxp);
 
 #define usbhs_pipe_to_priv(p)   ((p)->priv)
 #define usbhs_pipe_number(p)    (int)((p) - (p)->priv->pipe_info.pipe)