linux-kernel - Regression in Linux next with SPI pump changes

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Message-ID: <20190123215642.GK5720@atomide.com>
Date:   Wed, 23 Jan 2019 13:56:42 -0800
From:   Tony Lindgren <tony@...mide.com>
To:     Martin Sperl <kernel@...tin.sperl.org>,
        Mark Brown <broonie@...nel.org>
Cc:     Stephen Rothwell <sfr@...b.auug.org.au>, linux-spi@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-omap@...r.kernel.org
Subject: Regression in Linux next with SPI pump changes

Hi all,

Commit 412e60373245 ("spi: core: avoid waking pump thread from spi_sync
instead run teardown delayed") caused a PM regression in Linux next
where a SPI device (drivers/spi/spi-omap2-mcspi.c) no longer idles
for PM runtime.

Looks like this also breaks suspend as reported at [0].

Regards,

Tony

[0] https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg1899265.html