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| author | Peter Chen <peter.chen@nxp.com> | 2020-09-01 10:33:50 +0800 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-10-02 09:57:40 +0300 |
| commit | 0eeda059956d57b16143cc1dd0aed7e5fc383d5d (patch) | |
| tree | d25fc5dd4461e0484e0400227f30f2daf37e078a /drivers/usb/cdns3 | |
| parent | b5148d946f45bb7a780c2dc45a20f5b47e73f995 (diff) | |
| download | linux-0eeda059956d57b16143cc1dd0aed7e5fc383d5d.tar.gz linux-0eeda059956d57b16143cc1dd0aed7e5fc383d5d.tar.bz2 linux-0eeda059956d57b16143cc1dd0aed7e5fc383d5d.zip | |
usb: cdns3: gadget: clear the interrupt status when disconnect the host
It is meaningless to handle any interrupts after disconnecting
with host
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/gadget.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 081447bf7313..4c939dad9c33 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -2739,10 +2739,13 @@ static int cdns3_gadget_pullup(struct usb_gadget *gadget, int is_on) { struct cdns3_device *priv_dev = gadget_to_cdns3_device(gadget); - if (is_on) + if (is_on) { writel(USB_CONF_DEVEN, &priv_dev->regs->usb_conf); - else + } else { + writel(~0, &priv_dev->regs->ep_ists); + writel(~0, &priv_dev->regs->usb_ists); writel(USB_CONF_DEVDS, &priv_dev->regs->usb_conf); + } return 0; } |