From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
To: Heiko Stuebner <heiko@sntech.de>
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>,
Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
Subject: Re: [PATCH 6/7] serial: 8250_dw: add em485 support
Date: Wed, 18 Mar 2020 17:15:01 +0200 [thread overview]
Message-ID: <20200318151501.GO1922688@smile.fi.intel.com> (raw)
In-Reply-To: <20200318142640.982763-7-heiko@sntech.de>
On Wed, Mar 18, 2020 at 03:26:39PM +0100, Heiko Stuebner wrote:
> From: Giulio Benetti <giulio.benetti@micronovasrl.com>
>
> Need to use rs485 transceiver so let's use existing em485 485 emulation
> layer on top of 8250.
>
> Add rs485_config callback to port.
Synopsys DesignWare UART is being supported in three modules right now:
8250_dw (platform driver), 8250_dwlib (some library functions for this driver)
and 8250_lpss (PCI driver).
Can we do in a way that both platform and PCI drivers will get advantage by the change?
> Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
> Signed-off-by: Heiko Stuebner <heiko.stuebner@theobroma-systems.com>
> ---
> drivers/tty/serial/8250/8250_dw.c | 31 +++++++++++++++++++++++++++++++
> 1 file changed, 31 insertions(+)
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-03-18 15:15 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 [this message]
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
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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