[PATCH v5 10/11] mfd: cros_ec: Use mfd_add_hotplug_devices() helper

Enric Balletbo i Serra
2019-07-22T13:33:44Z

Use mfd_add_hotplug_devices() helper to register the subdevices.

Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Gwendal Grignou <gwendal@chromium.org>
Tested-by: Gwendal Grignou <gwendal@chromium.org>
---

Changes in v5: None
Changes in v4: None
Changes in v3:
- Add a new patch to use mfd_add_hoplug_devices to register subdevices

Changes in v2: None

drivers/mfd/cros_ec_dev.c | 18 ++++++------------
1 file changed, 6 insertions(+), 12 deletions(-)

diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index 38627f6b78af..4f0451090a27 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -328,10 +328,8 @@ static void cros_ec_accel_legacy_register(struct cros_ec_dev *ec)
* Register 2 accelerometers, we will fail in the IIO driver if there
* are no sensors.
*/
- ret = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
- cros_ec_accel_legacy_cells,
- ARRAY_SIZE(cros_ec_accel_legacy_cells),
- NULL, 0, NULL);
+ ret = mfd_add_hotplug_devices(ec->dev, cros_ec_accel_legacy_cells,
+ ARRAY_SIZE(cros_ec_accel_legacy_cells));
if (ret)
dev_err(ec_dev->dev, "failed to add EC sensors\n");
}
@@ -417,10 +415,8 @@ static int ec_device_probe(struct platform_device *pdev)
* The following subdevices cannot be detected by sending the
* EC_FEATURE_GET_CMD to the Embedded Controller device.
*/
- retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
- cros_ec_platform_cells,
- ARRAY_SIZE(cros_ec_platform_cells),
- NULL, 0, NULL);
+ retval = mfd_add_hotplug_devices(ec->dev, cros_ec_platform_cells,
+ ARRAY_SIZE(cros_ec_platform_cells));
if (retval)
dev_warn(ec->dev,
"failed to add cros-ec platform devices: %d\n",
@@ -429,10 +425,8 @@ static int ec_device_probe(struct platform_device *pdev)
/* Check whether this EC instance has a VBC NVRAM */
node = ec->ec_dev->dev->of_node;
if (of_property_read_bool(node, "google,has-vbc-nvram")) {
- retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO,
- cros_ec_vbc_cells,
- ARRAY_SIZE(cros_ec_vbc_cells),
- NULL, 0, NULL);
+ retval = mfd_add_hotplug_devices(ec->dev, cros_ec_vbc_cells,
+ ARRAY_SIZE(cros_ec_vbc_cells));
if (retval)
dev_warn(ec->dev, "failed to add VBC devices: %d\n",
retval);
--
2.20.1