This code is already upstream, but is needed to be backported into
37 for meego.
---
drivers/spi/spi.c | 8 ++++++++
1 files changed, 8 insertions(+), 0 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index b02d0cb..c80b7c6 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -28,6 +28,7 @@
#include <linux/mod_devicetable.h>
#include <linux/spi/spi.h>
#include <linux/of_spi.h>
+#include <linux/pm_runtime.h>
static void spidev_release(struct device *dev)
{
@@ -137,6 +138,12 @@ static int spi_resume(struct device *dev)
#define spi_resume NULL
#endif
+static const struct dev_pm_ops spi_pm = {
+ .runtime_suspend = pm_generic_runtime_suspend,
+ .runtime_resume = pm_generic_runtime_resume,
+ .runtime_idle = pm_generic_runtime_idle,
+};
+
struct bus_type spi_bus_type = {
.name = "spi",
.dev_attrs = spi_dev_attrs,
@@ -144,6 +151,7 @@ struct bus_type spi_bus_type = {
.uevent = spi_uevent,
.suspend = spi_suspend,
.resume = spi_resume,
+ .pm = &spi_pm,
};
EXPORT_SYMBOL_GPL(spi_bus_type);
--
1.7.3.1
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