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usb: cdns3: ep0: delete the unnecessary operation

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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>
This commit is contained in:
Peter Chen
2020-07-22 12:29:52 +08:00
committed by Felipe Balbi
parent ae90cc8237
commit 33c4b00b85
1 changed files with 0 additions and 3 deletions
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3
drivers/usb/cdns3/ep0.c
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@@ -123,8 +123,6 @@ static void cdns3_ep0_complete_setup(struct cdns3_device *priv_dev,
priv_dev->ep0_stage = CDNS3_SETUP_STAGE; priv_dev->ep0_stage = CDNS3_SETUP_STAGE;
writel((send_erdy ? EP_CMD_ERDY : 0) | EP_CMD_REQ_CMPL, writel((send_erdy ? EP_CMD_ERDY : 0) | EP_CMD_REQ_CMPL,
&priv_dev->regs->ep_cmd); &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) { if (priv_dev->wait_for_setup && ep_sts_reg & EP_STS_IOC) {
priv_dev->wait_for_setup = 0; priv_dev->wait_for_setup = 0;
cdns3_allow_enable_l1(priv_dev, 0);
cdns3_ep0_setup_phase(priv_dev); cdns3_ep0_setup_phase(priv_dev);
} else if ((ep_sts_reg & EP_STS_IOC) || (ep_sts_reg & EP_STS_ISP)) { } else if ((ep_sts_reg & EP_STS_IOC) || (ep_sts_reg & EP_STS_ISP)) {
priv_dev->ep0_data_dir = dir; priv_dev->ep0_data_dir = dir;