From: Linus Walleij Date: Mon, 11 Apr 2016 11:51:03 +0000 (+0200) Subject: spi: let SPI masters ignore their children for PM X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=d7e2ee257038baeb03baef602500368a51ee9eef;p=deliverable%2Flinux.git 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 Signed-off-by: Linus Walleij Signed-off-by: Mark Brown --- 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;