linux-kernel - Re: [PATCH v2 7/9] serial: ar933x: Fix check for RS485 support

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Date:   Sun, 3 Jul 2022 20:39:04 +0200
From:   Andy Shevchenko <andy.shevchenko@...il.com>
To:     Lino Sanfilippo <LinoSanfilippo@....de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jiri Slaby <jirislaby@...nel.org>,
        Ilpo Järvinen <ilpo.jarvinen@...ux.intel.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Vladimir Zapolskiy <vz@...ia.com>,
        linux-arm Mailing List <linux-arm-kernel@...ts.infradead.org>,
        devicetree <devicetree@...r.kernel.org>,
        "open list:SERIAL DRIVERS" <linux-serial@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        Lukas Wunner <lukas@...ner.de>, p.rosenberger@...bus.com,
        Lino Sanfilippo <l.sanfilippo@...bus.com>
Subject: Re: [PATCH v2 7/9] serial: ar933x: Fix check for RS485 support

On Sun, Jul 3, 2022 at 7:02 PM Lino Sanfilippo <LinoSanfilippo@....de> wrote:
>
> From: Lino Sanfilippo <l.sanfilippo@...bus.com>
>
> Without an RTS GPIO RS485 is not possible so disable the support
> regardless of whether RS485 is enabled at boottime or not. Also remove the

boot time

> now superfluous check for the RTS GPIO in ar933x_config_rs485().
>
> Fixes: e849145e1fdd ("serial: ar933x: Fill in rs485_supported")

Is it an independent fix? If so, it should be the first patch in the
series, otherwise if it's dependent on something from previous patches
you need to mark all of them as a fix.

-- 
With Best Regards,
Andy Shevchenko