linux-kernel - Re: [PACTH v2] spi: imx: add 16/32 bits per word support for target mode

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Message-ID: <3004d4c5-4a5a-41cc-972a-c94fe75f5c2c@sirena.org.uk>
Date: Tue, 28 Oct 2025 15:58:13 +0000
From: Mark Brown <broonie@...nel.org>
To: Frank Li <Frank.li@....com>
Cc: Carlos Song <carlos.song@....com>,
	"mkl@...gutronix.de" <mkl@...gutronix.de>,
	"shawnguo@...nel.org" <shawnguo@...nel.org>,
	"s.hauer@...gutronix.de" <s.hauer@...gutronix.de>,
	"kernel@...gutronix.de" <kernel@...gutronix.de>,
	"festevam@...il.com" <festevam@...il.com>,
	"linux-spi@...r.kernel.org" <linux-spi@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PACTH v2] spi: imx: add 16/32 bits per word support for target
 mode

On Tue, Oct 28, 2025 at 11:43:31AM -0400, Frank Li wrote:

> Does SPI require send MSB/LSB first of a CPU's word?

Default is MSB first, users can specify SPI_LSB_FIRST for LSB.

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