usb: cdns3: ep0: delete the unnecessary operation

It doesn't need to enable/disable L1 on the fly for EP0 transfer,
we only need to enable L1 after SET_CONFIGURATION.

This code may be introduced by careless.

Cc: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>

diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 1530edd..d9779ab 100644 (file)
--- a/drivers/usb/cdns3/ep0.c
+++ b/drivers/usb/cdns3/ep0.c
@@ -123,8 +123,6 @@ static void cdns3_ep0_complete_setup(struct cdns3_device *priv_dev,
        priv_dev->ep0_stage = CDNS3_SETUP_STAGE;
        writel((send_erdy ? EP_CMD_ERDY : 0) | EP_CMD_REQ_CMPL,
               &priv_dev->regs->ep_cmd);
-
-       cdns3_allow_enable_l1(priv_dev, 1);
 }
 
 /**
@@ -639,7 +637,6 @@ void cdns3_check_ep0_interrupt_proceed(struct cdns3_device *priv_dev, int dir)
 
        if (priv_dev->wait_for_setup && ep_sts_reg & EP_STS_IOC) {
                priv_dev->wait_for_setup = 0;
-               cdns3_allow_enable_l1(priv_dev, 0);
                cdns3_ep0_setup_phase(priv_dev);
        } else if ((ep_sts_reg & EP_STS_IOC) || (ep_sts_reg & EP_STS_ISP)) {
                priv_dev->ep0_data_dir = dir;