linux-kernel - Re: [PATCH v5 2/2] tty: samsung_tty: 32-bit access for TX/RX hold registers

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Date:   Mon, 6 Apr 2020 12:34:32 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Hyunki Koo <hyunki00.koo@...sung.com>
Cc:     gregkh@...uxfoundation.org, Rob Herring <robh+dt@...nel.org>,
        Kukjin Kim <kgene@...nel.org>, Jiri Slaby <jslaby@...e.com>,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v5 2/2] tty: samsung_tty: 32-bit access for TX/RX hold
 registers

On Mon, Apr 06, 2020 at 07:31:25PM +0900, Hyunki Koo wrote:
> Support 32-bit access for the TX/RX hold registers UTXH and URXH.
> 
> This is required for some newer SoCs.
> 
> Signed-off-by: Hyunki Koo <hyunki00.koo@...sung.com>
> ---
> v2: 
> line 954 : change rd_regl to rd_reg in for backward compatibility.
> line 2031: Add init value for ourport->port.iotype  to UPIO_MEM 
> v3:
> line 2031: remove redundant init value  for ourport->port.iotype 
> v4:
> correct variable types and change misleading function name
> v5:
> add dt-binding and go as first patch in this series.
> 
> ---
>  drivers/tty/serial/samsung_tty.c | 76 +++++++++++++++++++++++++++++++++-------
>  1 file changed, 64 insertions(+), 12 deletions(-)

For me it is fine, although Greg wanted the write functions to be
consistent with read around default case.

Reviewed-by: Krzysztof Kozlowski <krzk@...nel.org>
Tested-by: Krzysztof Kozlowski <krzk@...nel.org>

Best regards,
Krzysztof