From: Sanket Parmar <sparmar@cadence.com>
To: <gregkh@linuxfoundation.org>, <felipe.balbi@linux.intel.com>
Cc: <sparmar@cadence.com>, <pawell@cadence.com>,
<linux-usb@vger.kernel.org>, <rogerq@ti.com>,
<linux-kernel@vger.kernel.org>, <kurahul@cadence.com>,
<peter.chen@nxp.com>, <nsekhar@ti.com>
Subject: [PATCH] usb: cdns3: gadget: reset EP_CLAIMED flag while unloading
Date: Tue, 29 Oct 2019 12:24:41 +0000 [thread overview]
Message-ID: <20191029122441.5816-1-sparmar@cadence.com> (raw)
EP_CLAIMED flag is used to track the claimed endpoints. While unloading the
module, Reset EP_CLAIMED flag for all enabled endpoints. So that it can be
reused.
Signed-off-by: Sanket Parmar <sparmar@cadence.com>
---
Hi Greg/Felipe,
This can be used for -rc as it is bug fix.
Regards,
Sanket
drivers/usb/cdns3/gadget.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c
index 9050b380ab83..2fb78322ed3c 100644
--- a/drivers/usb/cdns3/gadget.c
+++ b/drivers/usb/cdns3/gadget.c
@@ -2381,6 +2381,8 @@ static int cdns3_gadget_udc_stop(struct usb_gadget *gadget)
writel(EP_CMD_EPRST, &priv_dev->regs->ep_cmd);
readl_poll_timeout_atomic(&priv_dev->regs->ep_cmd, val,
!(val & EP_CMD_EPRST), 1, 100);
+
+ priv_ep->flags &= ~EP_CLAIMED;
}
/* disable interrupt for device */
--
2.17.1
next reply other threads:[~2019-10-29 12:25 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-29 12:24 Sanket Parmar [this message]
2019-10-29 12:26 ` [PATCH] usb: cdns3: gadget: reset EP_CLAIMED flag while unloading Roger Quadros
2019-10-30 3:00 ` Peter Chen
2019-10-30 11:40 ` Felipe Balbi
2019-10-30 11:51 ` Greg KH
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20191029122441.5816-1-sparmar@cadence.com \
--to=sparmar@cadence.com \
--cc=felipe.balbi@linux.intel.com \
--cc=gregkh@linuxfoundation.org \
--cc=kurahul@cadence.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
--cc=nsekhar@ti.com \
--cc=pawell@cadence.com \
--cc=peter.chen@nxp.com \
--cc=rogerq@ti.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox