linux-kernel - Re: [PATCH v10 5/6] spi: at91-usart: add driver for at91-usart as spi

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Date:   Tue, 10 Jul 2018 19:15:59 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Radu Pirea <radu.pirea@...rochip.com>
Cc:     nicolas.ferre@...rochip.com, alexandre.belloni@...tlin.com,
        lee.jones@...aro.org, richard.genoud@...il.com, robh+dt@...nel.org,
        mark.rutland@....com, gregkh@...uxfoundation.org,
        linux-spi@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-serial@...r.kernel.org
Subject: Re: [PATCH v10 5/6] spi: at91-usart: add driver for at91-usart as spi

On Mon, Jun 25, 2018 at 08:22:29PM +0300, Radu Pirea wrote:

This is mostly good, just a couple of small things:

> +config SPI_AT91_USART
> +	tristate "Atmel USART Controller SPI driver"
> +	depends on HAS_DMA
> +	depends on (ARCH_AT91 || COMPILE_TEST)
> +	select MFD_AT91_USART

Why is this selecting rather than depending on the MFD like we normally
do?

> @@ -0,0 +1,432 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Driver for AT91 USART Controllers as SPI
> + *
> + * Copyright (C) 2018 Microchip Technology Inc.
> + * Author: Radu Pirea <radu.pirea@...rochip.com>
> + */

Please use C++ comments for the whole block so it looks a bit more
intentional.

Otherwise 

Reviwed-by: Mark Brown <broonie@...nel.org>

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