From: Grant Edwards <grant.b.edwards@gmail.com>
To: linux-serial@vger.kernel.org
Subject: Re: Handling of automatic flow control in UART drivers
Date: Mon, 13 Oct 2014 17:09:21 +0000 (UTC) [thread overview]
Message-ID: <m1h101$tr5$1@ger.gmane.org> (raw)
In-Reply-To: 20141013144831.GA8409@jtlinux
On 2014-10-13, Johannes Thumshirn <johannes.thumshirn@men.de> wrote:
> I active the hardware auto flow control feature on the CRTSCTS flag
> in my uart_ops->set_termios() function. But then the RTS flag is set
> on every call of the uart_ops->set_mctrl() function, this seems to
> confuse the hardware.
Perhaps in that situation you should ignore the RTS setting in
set_mctrl() if CRTSCTS is enabled.
--
Grant Edwards grant.b.edwards Yow! Zippy's brain cells
at are straining to bridge
gmail.com synapses ...
next prev parent reply other threads:[~2014-10-13 17:09 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-10-13 14:48 Handling of automatic flow control in UART drivers Johannes Thumshirn
2014-10-13 17:09 ` Grant Edwards [this message]
2014-10-13 17:13 ` Peter Hurley
2014-10-14 9:22 ` Johannes Thumshirn
2014-10-14 11:18 ` Peter Hurley
2014-10-23 5:51 ` Johannes Thumshirn
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