diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2011-10-10 22:06:35 -0700 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2011-10-13 20:41:48 +0300 |
| commit | a9be4a45627c0eaa5f3f16987243530f4df6b514 (patch) | |
| tree | 024bece3289100284db928cc4f53cbaefa511685 /drivers/usb | |
| parent | f427eb64f4c5433a91da5eb139970dd5cbad9082 (diff) | |
usb: gadget: renesas_usbhs: make sure SOF packet sending-out control
It is enabled to set SOF packet output bit when USBRST bit was set.
And USBRST bit should be set 0 when SOF packet was output.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/renesas_usbhs/common.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/usb/renesas_usbhs/common.c b/drivers/usb/renesas_usbhs/common.c index 1161d78e1665..895eb44a1a51 100644 --- a/drivers/usb/renesas_usbhs/common.c +++ b/drivers/usb/renesas_usbhs/common.c @@ -181,6 +181,13 @@ void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req) */ void usbhs_bus_send_sof_enable(struct usbhs_priv *priv) { + u16 status = usbhs_read(priv, DVSTCTR) & (USBRST | UACT); + + if (status != USBRST) { + struct device *dev = usbhs_priv_to_dev(priv); + dev_err(dev, "usbhs should be reset\n"); + } + usbhs_bset(priv, DVSTCTR, (USBRST | UACT), UACT); } |