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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>
This commit is contained in:
Kuninori Morimoto 2011-10-10 22:06:35 -07:00 committed by Felipe Balbi
parent f427eb64f4
commit a9be4a4562
1 changed files with 7 additions and 0 deletions
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7
drivers/usb/renesas_usbhs/common.c
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@ -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) 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); usbhs_bset(priv, DVSTCTR, (USBRST | UACT), UACT);
} }