Commit 33c4b00b authored by Peter Chen's avatar Peter Chen Committed by Felipe Balbi
Browse files

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: default avatarPeter Chen <peter.chen@nxp.com>
Signed-off-by: default avatarFelipe Balbi <balbi@kernel.org>
parent ae90cc82

drivers/usb/cdns3/ep0.c

+0 −3
Original line number Diff line number Diff line
@@ -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;

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