[PATCH AUTOSEL 5.6 104/129] mfd: cros_ec: Check DT node for usbpd-notify add

Sasha Levin
2020-04-15T12:58:04Z

From: Prashant Malani <pmalani@chromium.org>

[ Upstream commit f8db89d14efb770dd59aa0ca74386e5de68310d5 ]

Add a check to ensure there is indeed an EC device tree entry before
adding the cros-usbpd-notify device. This covers configs where both
CONFIG_ACPI and CONFIG_OF are defined, but the EC device is defined
using device tree and not in ACPI.

Fixes: 4602dce0361e ("mfd: cros_ec: Add cros-usbpd-notify subdevice")
Signed-off-by: Prashant Malani <pmalani@chromium.org>
Tested-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/mfd/cros_ec_dev.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 39e6116950536..32c2b912b58b2 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -211,7 +211,7 @@ static int ec_device_probe(struct platform_device *pdev)
* explicitly added on platforms that don't have the PD notifier ACPI
* device entry defined.
*/
- if (IS_ENABLED(CONFIG_OF)) {
+ if (IS_ENABLED(CONFIG_OF) && ec->ec_dev->dev->of_node) {
if (cros_ec_check_features(ec, EC_FEATURE_USB_PD)) {
retval = mfd_add_hotplug_devices(ec->dev,
cros_usbpd_notify_cells,
--
2.20.1