linux-kernel - Re: [PATCH] SPI: Add driver for Cadence SPI controller

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Date:	Mon, 17 Mar 2014 12:59:11 -0500
From:	Josh Cartwright <joshc@...eaurora.org>
To:	Mark Brown <broonie@...nel.org>
Cc:	Harini Katakam <harinik@...inx.com>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, galak@...eaurora.org,
	rob@...dley.net, grant.likely@...aro.org,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org,
	michals@...inx.com
Subject: Re: [PATCH] SPI: Add driver for Cadence SPI controller

On Mon, Mar 17, 2014 at 05:30:17PM +0000, Mark Brown wrote:
> On Mon, Mar 17, 2014 at 05:35:36PM +0530, Harini Katakam wrote:
[..]
> > +static int __maybe_unused cdns_spi_suspend(struct device *dev)
> > +{
> 
> This needs to call spi_master_suspend() as well (and similarly on
> resume).

I'm not that familiar with the SPI core, but this seems like an
inversion.  Is there a reason why the SPI master class doesn't implement
suspend/resume() callbacks which handle stopping/starting the queue
automatically for all masters?

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