summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2011-10-11 09:01:51 +0400
committerFelipe Balbi <balbi@ti.com>2011-10-13 21:41:38 +0400
commit75587f52c7b0d6c319515138a495a619b552a670 (patch)
treef032810f68a32bae18cdf1580bc0ba5422f650bd
parent258485d9904703c4cb3a2b3ee38fe2a0cbf01f48 (diff)
downloadlinux-75587f52c7b0d6c319515138a495a619b552a670.tar.xz
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>
-rw-r--r--drivers/usb/renesas_usbhs/common.c16
-rw-r--r--drivers/usb/renesas_usbhs/common.h1
-rw-r--r--drivers/usb/renesas_usbhs/mod.c16
-rw-r--r--drivers/usb/renesas_usbhs/mod.h2
-rw-r--r--drivers/usb/renesas_usbhs/mod_gadget.c2
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),