diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-10-10 22:01:51 -0700 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-10-13 20:41:38 +0300 |
| commit | 75587f52c7b0d6c319515138a495a619b552a670 (patch) | |
| tree | f032810f68a32bae18cdf1580bc0ba5422f650bd /drivers/usb/renesas_usbhs/common.c | |
| parent | 258485d9904703c4cb3a2b3ee38fe2a0cbf01f48 (diff) | |
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>
Diffstat (limited to 'drivers/usb/renesas_usbhs/common.c')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 243512d93e5..17abdfe5306 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); |