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Date: Wed, 10 Apr 2024 15:22:53 -0500
From: Rob Herring <robh@kernel.org>
To: =?iso-8859-1?Q?Th=E9o?= Lebrun <theo.lebrun@bootlin.com>
Cc: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>,
	Gregory CLEMENT <gregory.clement@bootlin.com>,
	Mark Brown <broonie@kernel.org>,
	Thomas Bogendoerfer <tsbogend@alpha.franken.de>,
	Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
	devicetree@vger.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Tawfik Bayouk <tawfik.bayouk@mobileye.com>,
	Vaishnav Achath <vaishnav.a@ti.com>, linux-kernel@vger.kernel.org,
	linux-spi@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
	linux-mips@vger.kernel.org
Subject: Re: [PATCH v3 3/9] spi: dt-bindings: cdns,qspi-nor: make
 cdns,fifo-depth optional
Message-ID: <171278057106.1281345.946727466928284923.robh@kernel.org>
References: <20240410-cdns-qspi-mbly-v3-0-7b7053449cf7@bootlin.com>
 <20240410-cdns-qspi-mbly-v3-3-7b7053449cf7@bootlin.com>
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In-Reply-To: <20240410-cdns-qspi-mbly-v3-3-7b7053449cf7@bootlin.com>


On Wed, 10 Apr 2024 11:29:06 +0200, Th?o Lebrun wrote:
> Make cdns,fifo-depth devicetree property optional.
> Value can be detected at runtime.
> 
> Upper SRAMPARTITION register bits are read-only. Procedure to find FIFO
> depth is therefore to write 0xFFFFFFFF and read back to get amount of
> writeable bits.
> 
> Signed-off-by: Th?o Lebrun <theo.lebrun@bootlin.com>
> ---
>  Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 1 -
>  1 file changed, 1 deletion(-)
> 

Acked-by: Rob Herring <robh@kernel.org>