From: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
To: "Petr Štetiar" <ynezz@true.cz>
Cc: Martin Fuzzey <mfuzzey@parkeon.com>,
Baruch Siach <baruch@tkos.co.il>,
linux-serial@vger.kernel.org,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
kernel@pengutronix.de, linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v2 0/6] serial: imx: handshaking fixes and improvments
Date: Tue, 12 Apr 2016 19:30:32 +0200 [thread overview]
Message-ID: <20160412173032.GS10108@pengutronix.de> (raw)
In-Reply-To: <20160412121759.GG26941@ibawizard.net>
On Tue, Apr 12, 2016 at 02:17:59PM +0200, Petr Štetiar wrote:
> Uwe Kleine-König <u.kleine-koenig@pengutronix.de> [2016-04-12 12:58:56]:
>
> > ok, so UFCR_DCEDTE is set and UCR3_DSR controls the DTR output as
> > intended. What is connected to the respective pin?
> > MX6QDL_PAD_EIM_D25__UART1_DSR_B I think is the one.
>
> It's routed out to Apalis SoM pin 120, which is then connected via 22R
> resistor and through SN65C3243DBR RS-232 line driver to header which I use as
> debug/serial console.
Then I guess the problem is that the rs232-partner asserts the imx6's
DSR in reply to the imx6 asserting DTR?
Best regards
Uwe
--
Pengutronix e.K. | Uwe Kleine-König |
Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2016-04-12 17:30 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-24 13:24 [PATCH v2 0/6] serial: imx: handshaking fixes and improvments Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 1/6] serial: imx: fix polarity of RI Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 2/6] serial: imx: let irq handler return IRQ_NONE if no event was handled Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 3/6] serial: imx: make sure unhandled irqs are disabled Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 4/6] serial: imx: only count 0->1 transitions for RNG Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 5/6] serial: imx: reorder functions to simplify next patch Uwe Kleine-König
2016-03-24 13:24 ` [PATCH v2 6/6] serial: imx: implement DSR irq handling for DTE mode Uwe Kleine-König
[not found] ` <1470350663.26773.41.camel@googlemail.com>
2016-08-05 6:58 ` serial: imx: regression triggered by newly introduced DSR irq handling Uwe Kleine-König
2016-08-05 12:03 ` Christoph Fritz
2016-08-10 20:54 ` Fabio Estevam
2016-08-13 20:35 ` Christoph Fritz
2016-08-15 5:22 ` Uwe Kleine-König
2016-08-17 9:25 ` [PATCH] ARM: dts: imx6sx: document SION necessity of ENET1_REF_CLK1 Christoph Fritz
2016-08-17 14:26 ` Fabio Estevam
2016-08-17 18:03 ` Christoph Fritz
2016-08-22 15:08 ` Christoph Fritz
2016-08-29 1:18 ` Shawn Guo
2016-11-21 11:00 ` serial: imx: regression triggered by newly introduced DSR irq handling Christoph Fritz
2016-11-21 11:07 ` Uwe Kleine-König
2016-04-11 16:01 ` [PATCH v2 0/6] serial: imx: handshaking fixes and improvments Petr Štetiar
2016-04-12 7:46 ` Uwe Kleine-König
2016-04-12 9:48 ` Petr Štetiar
2016-04-12 10:58 ` Uwe Kleine-König
2016-04-12 12:17 ` Petr Štetiar
2016-04-12 17:30 ` Uwe Kleine-König [this message]
2016-04-13 9:13 ` Petr Štetiar
2016-04-13 11:16 ` Uwe Kleine-König
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