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>
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c
index 243512d..17abdfe 100644
--- a/drivers/usb/renesas_usbhs/common.c
+++ b/drivers/usb/renesas_usbhs/common.c
@@ -159,6 +159,22 @@
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);