linux-kernel - Re: [PATCH v4 2/2] mtd: spi-nor: add driver for STM32 quad spi flash controller

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Message-ID: <b0238aad-38a1-3b06-ac2e-45f658041661@gmail.com>
Date:   Fri, 14 Apr 2017 18:15:06 +0200
From:   Marek Vasut <marek.vasut@...il.com>
To:     Ludovic Barre <ludovic.Barre@...com>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>
Cc:     David Woodhouse <dwmw2@...radead.org>,
        Brian Norris <computersforpeace@...il.com>,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Richard Weinberger <richard@....at>,
        Alexandre Torgue <alexandre.torgue@...com>,
        Rob Herring <robh+dt@...nel.org>,
        linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org
Subject: Re: [PATCH v4 2/2] mtd: spi-nor: add driver for STM32 quad spi flash
 controller

On 04/13/2017 07:15 PM, Ludovic Barre wrote:
> From: Ludovic Barre <ludovic.barre@...com>
> 
> The quadspi is a specialized communication interface targeting single,
> dual or quad SPI Flash memories.
> 
> It can operate in any of the following modes:
> -indirect mode: all the operations are performed using the quadspi
>  registers
> -read memory-mapped mode: the external Flash memory is mapped to the
>  microcontroller address space and is seen by the system as if it was
>  an internal memory
> 
> Signed-off-by: Ludovic Barre <ludovic.barre@...com>

Reviewed-by: Marek Vasut <marek.vasut@...il.com>

-- 
Best regards,
Marek Vasut