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authorLinus Walleij <linus.walleij@linaro.org>2016-04-11 13:51:03 +0200
committerMark Brown <broonie@kernel.org>2016-04-12 04:48:31 +0100
commitd7e2ee257038baeb03baef602500368a51ee9eef (patch)
tree480cc0e6f90f438b84408c149003add6f10f5f41 /drivers/spi
parentf55532a0c0b8bb6148f4e07853b876ef73bc69ca (diff)
downloadlinux-d7e2ee257038baeb03baef602500368a51ee9eef.tar.bz2
spi: let SPI masters ignore their children for PM
Let all SPI masters ignore their children: when it comes to power management: SPI children have no business doing keeping their parents awake: they are completely autonomous devices that just use their parent to talk, and the latter usecase must be power managed by the host itself on a per-message basis. Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi')
-rw-r--r--drivers/spi/spi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index de2f2f90d799..6c4c050e6b65 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1764,6 +1764,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
master->num_chipselect = 1;
master->dev.class = &spi_master_class;
master->dev.parent = dev;
+ pm_suspend_ignore_children(&master->dev, true);
spi_master_set_devdata(master, &master[1]);
return master;