From: Johan Hovold <johan@kernel.org>
To: Cameron Williams <cang1@live.co.uk>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: CH341 RTS/CTS flow control disabled in driver?
Date: Fri, 15 Mar 2024 09:01:41 +0100 [thread overview]
Message-ID: <ZfQAZdMwQENJ_yMC@hovoldconsulting.com> (raw)
In-Reply-To: <DU0PR02MB7899EC8515D8FF35B4D01465C4292@DU0PR02MB7899.eurprd02.prod.outlook.com>
On Thu, Mar 14, 2024 at 10:13:03PM +0000, Cameron Williams wrote:
> I am wondering if anyone knows anything regarding the RTS/CTS lines on
> the CH341 (maybe CH340 though I have no chip example).
> From my tests, neither of them seem to have RTS/CTS respected, and I
> don't believe they are fake?
> Is this intended behaviour? Looking through the source I can see
> RTS/DTR should be supported, but it just doesn't seem to work.
The driver does not implement hardware flow control (CRTSCTS) so this is
expected behaviour.
Johan
prev parent reply other threads:[~2024-03-15 8:01 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-14 22:13 Cameron Williams
2024-03-15 8:01 ` Johan Hovold [this message]
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=ZfQAZdMwQENJ_yMC@hovoldconsulting.com \
--to=johan@kernel.org \
--cc=cang1@live.co.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-usb@vger.kernel.org \
/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
all inboxes | Powered by JetHome®