linux-kernel - Re: [RFT PATCH v3 18/27] tty: serial: samsung

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Message-ID: <cf61a889-b84d-f788-52f2-9b68bcc83d52@canonical.com>
Date:   Fri, 5 Mar 2021 11:30:29 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Hector Martin <marcan@...can.st>,
        linux-arm-kernel@...ts.infradead.org
Cc:     Marc Zyngier <maz@...nel.org>, Rob Herring <robh@...nel.org>,
        Arnd Bergmann <arnd@...nel.org>,
        Olof Johansson <olof@...om.net>,
        Mark Kettenis <mark.kettenis@...all.nl>,
        Tony Lindgren <tony@...mide.com>,
        Mohamed Mediouni <mohamed.mediouni@...amail.com>,
        Stan Skowronek <stan@...ellium.com>,
        Alexander Graf <graf@...zon.com>,
        Will Deacon <will@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Jonathan Corbet <corbet@....net>,
        Catalin Marinas <catalin.marinas@....com>,
        Christoph Hellwig <hch@...radead.org>,
        "David S. Miller" <davem@...emloft.net>,
        devicetree@...r.kernel.org, linux-serial@...r.kernel.org,
        linux-doc@...r.kernel.org, linux-samsung-soc@...r.kernel.org,
        linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFT PATCH v3 18/27] tty: serial: samsung_tty: Separate S3C64XX
 ops structure

On 04/03/2021 22:38, Hector Martin wrote:
> Instead of patching a single global ops structure depending on the port
> type, use a separate s3c64xx_serial_ops for the S3C64XX type. This
> allows us to mark the structures as const.
> 
> Also split out s3c64xx_serial_shutdown into a separate function now that
> we have a separate ops structure; this avoids excessive branching
> control flow and mirrors s3c64xx_serial_startup. tx_claimed and
> rx_claimed are only used in the S3C24XX functions.
> 
> Signed-off-by: Hector Martin <marcan@...can.st>
> ---
>  drivers/tty/serial/samsung_tty.c | 71 ++++++++++++++++++++++++--------
>  1 file changed, 54 insertions(+), 17 deletions(-)


Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
Tested-by: Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>

Best regards,
Krzysztof