gpio: mcp23s08: Populate subnodes
diff mbox

Message ID 20170504103050.10726-1-marex@denx.de
State New
Headers show

Commit Message

Marek Vasut May 4, 2017, 10:30 a.m. UTC
The MCP23S08 driver can have OF subnodes which bind ie. LEDs to the
expander pins. Populate those subnodes so that the drivers get bound
to them.

Signed-off-by: Marek Vasut <marex@denx.de>
---
 drivers/gpio/gpio-mcp23s08.c | 4 ++++
 1 file changed, 4 insertions(+)

Patch
diff mbox

diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c
index 2a57d024481d..8d11fa715028 100644
--- a/drivers/gpio/gpio-mcp23s08.c
+++ b/drivers/gpio/gpio-mcp23s08.c
@@ -682,6 +682,10 @@  static int mcp23s08_probe_one(struct mcp23s08 *mcp, struct device *dev,
 		if (ret)
 			goto fail;
 	}
+
+	of_platform_populate(mcp->chip.of_node, of_default_bus_match_table,
+			     NULL, dev);
+
 fail:
 	if (ret < 0)
 		dev_dbg(dev, "can't setup chip %d, --> %d\n", addr, ret);