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From: "Heiko Stübner" <heiko@sntech.de>
To: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: gregkh@linuxfoundation.org, jslaby@suse.com,
	matwey.kornilov@gmail.com, linux-serial@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Giulio Benetti <giulio.benetti@micronovasrl.com>
Subject: Re: [PATCH 7/7] serial: 8250_dw: allow enable rs485 at boot time
Date: Wed, 18 Mar 2020 19:28:12 +0100	[thread overview]
Message-ID: <13430289.tR4kZXp1X6@diego> (raw)
In-Reply-To: <20200318151615.GP1922688@smile.fi.intel.com>

Am Mittwoch, 18. März 2020, 16:16:15 CET schrieb Andy Shevchenko:
> On Wed, Mar 18, 2020 at 03:26:40PM +0100, Heiko Stuebner wrote:
> > From: Giulio Benetti <giulio.benetti@micronovasrl.com>
> > 
> > If "linux,rs485-enabled-at-boot-time" is specified need to setup 485
> > in probe function.
> > 
> > Call uart_get_rs485_mode() to get rs485 configuration, then call
> > rs485_config() callback directly to setup port as rs485.
> 
> I think you really need to Cc the new version of this to Lukas.
> Because I have a deja vu that I have seen half of this to be similar what he
> had done in his work.

Could you give me a pointer to that work?

When I initially searched for previous rs485 on 8250_dw stuff I only
found the series from 2018 I linked to in the cover-letter, so if there
is other work somewhere else a pointer to it would be very helpful
for me.

Thanks
Heiko




  reply	other threads:[~2020-03-18 18:28 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-03-18 14:26 [PATCH 0/7] serial: 8250: Add rs485 emulation to 8250_dw Heiko Stuebner
2020-03-18 14:26 ` [PATCH 1/7] serial: 8250: Make em485_rts_after_send() set mctrl according to rts state Heiko Stuebner
2020-03-18 14:26 ` [PATCH 2/7] serial: 8250: add serial_in_poll_timeout helper Heiko Stuebner
2020-03-18 15:09   ` Andy Shevchenko
2020-03-18 14:26 ` [PATCH 3/7] serial: 8250: Handle case port doesn't have TEMT interrupt using em485 Heiko Stuebner
2020-03-18 14:26 ` [PATCH 4/7] serial: 8250: Start rs485 after registering port if rs485 is enabled in probe Heiko Stuebner
2020-03-18 14:26 ` [PATCH 5/7] serial: 8250: handle DTR in rs485 emulation Heiko Stuebner
2020-03-18 14:26 ` [PATCH 6/7] serial: 8250_dw: add em485 support Heiko Stuebner
2020-03-18 15:15   ` Andy Shevchenko
2020-03-18 14:26 ` [PATCH 7/7] serial: 8250_dw: allow enable rs485 at boot time Heiko Stuebner
2020-03-18 15:16   ` Andy Shevchenko
2020-03-18 18:28     ` Heiko Stübner [this message]
2020-03-18 18:31       ` Heiko Stübner
2020-03-18 14:43 ` [PATCH 0/7] serial: 8250: Add rs485 emulation to 8250_dw Andy Shevchenko
2020-03-18 15:37   ` Lukas Wunner
2020-03-18 15:54     ` Andy Shevchenko
2020-03-18 18:49     ` Heiko Stübner
2020-03-19  5:40       ` Lukas Wunner
2020-03-23  8:25         ` Heiko Stübner
2020-03-23 13:17           ` Lukas Wunner
2020-03-23 13:41             ` Andy Shevchenko
2020-03-25 13:41               ` Heiko Stübner
2020-03-25 14:42                 ` Andy Shevchenko
2020-03-18 15:13 ` Andy Shevchenko

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