Re: [PATCH] usb: cdc-acm: add PPS support

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To: Dan Drown <dan-netdev@xxxxxxxxx>, linux-usb@xxxxxxxxxxxxxxx
Subject: Re: [PATCH] usb: cdc-acm: add PPS support
From: Oliver Neukum <oneukum@xxxxxxxx>
Date: Mon, 14 Aug 2023 14:32:57 +0200
In-reply-to: <ZM8ExV6bAvJtIA1d@vps3.drown.org>
References: <ZM8ExV6bAvJtIA1d@vps3.drown.org>
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.13.0



On 06.08.23 04:26, Dan Drown wrote:

This patch adds support for PPS to CDC devices. Changes to the DCD pin
are monitored and passed to the ldisc system, which is used by
pps-ldisc.


Hi,

do we really want to do this with acm>read_lock held?

	Regards
		Oliver

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