Use generic wakeup-source property to enable spi device wakeup.
Signed-off-by: Jeffy Chen <jeffy.c...@rock-chips.com>
---
Changes in v3: None
drivers/spi/spi.c | 15 +++++++++++----
1 file changed, 11 insertions(+), 4 deletions(-)
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index c3f6b52..a510bba 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -547,11 +547,16 @@ int spi_add_device(struct spi_device *spi)
/* Device may be bound to an active driver when this returns */
status = device_add(&spi->dev);
- if (status < 0)
+ if (status < 0) {
dev_err(dev, "can't add %s, status %d\n",
- dev_name(&spi->dev), status);
- else
- dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev));
+ dev_name(&spi->dev), status);
+ goto done;
+ }
+
+ dev_dbg(dev, "registered child %s\n", dev_name(&spi->dev));
+
+ if (device_property_read_bool(&spi->dev, "wakeup-source"))
+ device_init_wakeup(&spi->dev, true);
done:
mutex_unlock(&spi_add_lock);
@@ -638,6 +643,8 @@ void spi_unregister_device(struct spi_device *spi)
if (!spi)
return;
+ device_init_wakeup(&spi->dev, false);
+
if (spi->dev.of_node) {
of_node_clear_flag(spi->dev.of_node, OF_POPULATED);
of_node_put(spi->dev.of_node);
--
2.1.4
