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authorPeter Chen <peter.chen@nxp.com>2020-07-22 12:29:52 +0800
committerFelipe Balbi <balbi@kernel.org>2020-07-24 16:45:12 +0300
commit33c4b00b85a9855de47e498a15e21515320cc442 (patch)
treea97ef383c695b7321278ec7b8a06e686b5ab4283 /drivers/usb/cdns3
parentae90cc8237bf4ee416a326c51052ddcc7918ee43 (diff)
downloadlinux-33c4b00b85a9855de47e498a15e21515320cc442.tar.bz2
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>
Diffstat (limited to 'drivers/usb/cdns3')
-rw-r--r--drivers/usb/cdns3/ep0.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/usb/cdns3/ep0.c b/drivers/usb/cdns3/ep0.c
index 1530edd5838c..d9779abc65b2 100644
--- 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;