linux-kernel - Re: [PATCH v3 3/9] spi: dt-bindings: cdns,qspi-nor: make cdns,fifo-depth optional

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Message-ID: <171278057106.1281345.946727466928284923.robh@kernel.org>
Date: Wed, 10 Apr 2024 15:22:53 -0500
From: Rob Herring <robh@...nel.org>
To: Théo Lebrun <theo.lebrun@...tlin.com>
Cc: Vladimir Kondratiev <vladimir.kondratiev@...ileye.com>,
	Gregory CLEMENT <gregory.clement@...tlin.com>,
	Mark Brown <broonie@...nel.org>,
	Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
	Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
	devicetree@...r.kernel.org,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Rob Herring <robh+dt@...nel.org>,
	Tawfik Bayouk <tawfik.bayouk@...ileye.com>,
	Vaishnav Achath <vaishnav.a@...com>, linux-kernel@...r.kernel.org,
	linux-spi@...r.kernel.org, Conor Dooley <conor+dt@...nel.org>,
	linux-mips@...r.kernel.org
Subject: Re: [PATCH v3 3/9] spi: dt-bindings: cdns,qspi-nor: make
 cdns,fifo-depth optional


On Wed, 10 Apr 2024 11:29:06 +0200, Théo 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: Théo Lebrun <theo.lebrun@...tlin.com>
> ---
>  Documentation/devicetree/bindings/spi/cdns,qspi-nor.yaml | 1 -
>  1 file changed, 1 deletion(-)
> 

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