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 19:31:59 +0100 [thread overview]
Message-ID: <3344793.XXsVmtTtb2@diego> (raw)
In-Reply-To: <13430289.tR4kZXp1X6@diego>
Am Mittwoch, 18. März 2020, 19:28:12 CET schrieb Heiko Stübner:
> 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?
Ignore this mail please, found the stuff in tty-next ;-)
Heiko
> 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
>
next prev parent reply other threads:[~2020-03-18 18:32 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
2020-03-18 18:31 ` Heiko Stübner [this message]
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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