usb: gadget: renesas_usbhs: add usbhs_bus_get_speed()

current mod_gadget had got usb speed on
usbhsg_irq_dev_state() which is status change interrupt callback function.
And the usb speed data was included in its parameter.

But this style works for mod_gadget,
but doesn't work for mod_host which
isn't interrupted when device status was changed.

This patch add usbhs_bus_get_speed() to solve this issue.

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

5 files changed, 18 insertions, 19 deletions

diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 243512d93e58..17abdfe53067 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -159,6 +159,22 @@ void usbhs_bus_send_reset(struct usbhs_priv *priv)
         usbhs_bset(priv, DVSTCTR, (USBRST | UACT), USBRST);
 }
 
+int usbhs_bus_get_speed(struct usbhs_priv *priv)
+{
+        u16 dvstctr = usbhs_read(priv, DVSTCTR);
+
+        switch (RHST & dvstctr) {
+        case RHST_LOW_SPEED:
+                return USB_SPEED_LOW;
+        case RHST_FULL_SPEED:
+                return USB_SPEED_FULL;
+        case RHST_HIGH_SPEED:
+                return USB_SPEED_HIGH;
+        }
+
+        return USB_SPEED_UNKNOWN;
+}
+
 int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable)
 {
         struct platform_device *pdev = usbhs_priv_to_pdev(priv);
diff --git a/drivers/usb/renesas_usbhs/common.h b/drivers/usb/renesas_usbhs/common.h
index 54b5924baae7..a5cef8160107 100644
--- a/drivers/usb/renesas_usbhs/common.h
+++ b/drivers/usb/renesas_usbhs/common.h
@@ -264,6 +264,7 @@ void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
  */
 void usbhs_bus_send_sof_enable(struct usbhs_priv *priv);
 void usbhs_bus_send_reset(struct usbhs_priv *priv);
+int usbhs_bus_get_speed(struct usbhs_priv *priv);
 int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable);
 
 /*
diff --git a/drivers/usb/renesas_usbhs/mod.c b/drivers/usb/renesas_usbhs/mod.c
index 74ef49e7dd5f..ab1203098931 100644
--- a/drivers/usb/renesas_usbhs/mod.c
+++ b/drivers/usb/renesas_usbhs/mod.c
@@ -168,20 +168,6 @@ void usbhs_mod_remove(struct usbhs_priv *priv)
 /*
  *              status functions
  */
-int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state)
-{
-        switch (irq_state->dvstctr & RHST) {
-        case RHST_LOW_SPEED:
-                return USB_SPEED_LOW;
-        case RHST_FULL_SPEED:
-                return USB_SPEED_FULL;
-        case RHST_HIGH_SPEED:
-                return USB_SPEED_HIGH;
-        }
-
-        return USB_SPEED_UNKNOWN;
-}
-
 int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state)
 {
         int state = irq_state->intsts0 & DVSQ_MASK;
@@ -221,8 +207,6 @@ static void usbhs_status_get_each_irq(struct usbhs_priv *priv,
         state->intsts0 = usbhs_read(priv, INTSTS0);
         state->intsts1 = usbhs_read(priv, INTSTS1);
 
-        state->dvstctr = usbhs_read(priv, DVSTCTR);
-
         /* mask */
         if (mod) {
                 state->brdysts = usbhs_read(priv, BRDYSTS);
diff --git a/drivers/usb/renesas_usbhs/mod.h b/drivers/usb/renesas_usbhs/mod.h
index 5c845a28a21c..93edb1f29eb0 100644
--- a/drivers/usb/renesas_usbhs/mod.h
+++ b/drivers/usb/renesas_usbhs/mod.h
@@ -30,7 +30,6 @@ struct usbhs_irq_state {
         u16 brdysts;
         u16 nrdysts;
         u16 bempsts;
-        u16 dvstctr;
 };
 
 struct usbhs_mod {
@@ -99,7 +98,6 @@ void usbhs_mod_autonomy_mode(struct usbhs_priv *priv);
 /*
  *              status functions
  */
-int usbhs_status_get_usb_speed(struct usbhs_irq_state *irq_state);
 int usbhs_status_get_device_state(struct usbhs_irq_state *irq_state);
 int usbhs_status_get_ctrl_stage(struct usbhs_irq_state *irq_state);
 
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index babd90c979c1..ae7d816c23d9 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -353,7 +353,7 @@ static int usbhsg_irq_dev_state(struct usbhs_priv *priv,
         struct usbhsg_gpriv *gpriv = usbhsg_priv_to_gpriv(priv);
         struct device *dev = usbhsg_gpriv_to_dev(gpriv);
 
-        gpriv->gadget.speed = usbhs_status_get_usb_speed(irq_state);
+        gpriv->gadget.speed = usbhs_bus_get_speed(priv);
 
         dev_dbg(dev, "state = %x : speed : %d\n",
                 usbhs_status_get_device_state(irq_state),