linux-kernel - Re: [PATCH v4 1/6] spi: Enable controllers to extend the SPI protocol with MOSI idle configuration

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Date: Wed, 19 Jun 2024 13:07:58 +0100
From: Mark Brown <broonie@...nel.org>
To: Marcelo Schmitt <marcelo.schmitt@...log.com>
Cc: lars@...afoo.de, Michael.Hennerich@...log.com, jic23@...nel.org,
	robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org, nuno.sa@...log.com, dlechner@...libre.com,
	marcelo.schmitt1@...il.com, linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org, linux-spi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 1/6] spi: Enable controllers to extend the SPI
 protocol with MOSI idle configuration

On Tue, Jun 18, 2024 at 08:10:44PM -0300, Marcelo Schmitt wrote:

> First replies to v3 brought the idea of having a feature detection mechanism.
> I didn't really get how to do that. If feature detection is required, can
> somebody please provide some pointers on how to implement that?

Look at the checks in spi_setup() for bad_bits.  

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