linux-kernel - Re: [PATCH 2/6] mtd: spi-nor: cadence-quadspi: Provide a way to disable DAC mode

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Message-ID: <2963748.sPVSOTQjie@192.168.0.120>
Date:   Thu, 28 May 2020 18:37:28 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <vigneshr@...com>
CC:     <broonie@...nel.org>, <bbrezillon@...nel.org>,
        <vadivel.muruganx.ramuthevar@...ux.intel.com>,
        <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
        <linux-spi@...r.kernel.org>, <simon.k.r.goldschmidt@...il.com>,
        <dinguyen@...nel.org>, <marex@...x.de>
Subject: Re: [PATCH 2/6] mtd: spi-nor: cadence-quadspi: Provide a way to
 disable DAC mode

On Friday, May 8, 2020 9:54:07 PM EEST Vignesh Raghavendra wrote:
> Currently direct access mode is used on platforms that have AHB window
> (memory mapped window) larger than flash size. This feature is limited
> to TI platforms as non TI platforms have < 1MB of AHB window.
> Therefore introduce a driver quirk to disable DAC mode and set it for
> non TI compatibles. This is in preparation to move to spi-mem framework
> where flash geometry cannot be known.
> 
> Signed-off-by: Vignesh Raghavendra <vigneshr@...com>
> ---
>  drivers/mtd/spi-nor/controllers/cadence-quadspi.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

Reviewed-by: Tudor Ambarus <tudor.ambarus@...rochip.com>