linux-kernel - Re: [PATCH 8/8] serial: 8250: lpc18xx: Remove redundant sanity check for RS485 flags

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Message-ID: <56f9df76-5514-2aa8-54cc-f0589023fe2@linux.intel.com>
Date:   Sat, 25 Jun 2022 13:18:43 +0300 (EEST)
From:   Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>
To:     Lino Sanfilippo <LinoSanfilippo@....de>
cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        vz@...ia.com, linux-arm-kernel@...ts.infradead.org,
        devicetree@...r.kernel.org,
        linux-serial <linux-serial@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>, lukas@...ner.de,
        p.rosenberger@...bus.com, Lino Sanfilippo <l.sanfilippo@...bus.com>
Subject: Re: [PATCH 8/8] serial: 8250: lpc18xx: Remove redundant sanity check
 for RS485 flags

On Wed, 22 Jun 2022, Lino Sanfilippo wrote:

> From: Lino Sanfilippo <l.sanfilippo@...bus.com>
> 
> Before the drivers rs485_config() function is called the serial core
> already ensures that only one of both options RTS on send or RTS after send
> is set. So remove the concerning sanity check in the driver function to
> avoid redundancy.
> 
> Signed-off-by: Lino Sanfilippo <l.sanfilippo@...bus.com>

Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>

-- 
 i.