diff mbox

[v5,12/12] mfd: cros_ec: Add throttler sub-device

Message ID 20180703234705.227473-13-mka@chromium.org (mailing list archive)
State Not Applicable, archived
Headers show

Commit Message

Matthias Kaehlcke July 3, 2018, 11:47 p.m. UTC
Instantiate the CrOS EC throttler if it is enabled in the kernel
configuration.

Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
Reviewed-by: Brian Norris <briannorris@chromium.org>
---
Changes in v5:
- added 'Reviewed-by: Brian Norris <briannorris@chromium.org>' tag

Changes in v4:
- register throttler in cros_ec_dev.c instead of cros_ec.c

Changes in v3:
- patch added to series
---
 drivers/mfd/cros_ec_dev.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

Comments

Lee Jones July 4, 2018, 7:59 a.m. UTC | #1
On Tue, 03 Jul 2018, Matthias Kaehlcke wrote:

> Instantiate the CrOS EC throttler if it is enabled in the kernel
> configuration.
> 
> Signed-off-by: Matthias Kaehlcke <mka@chromium.org>
> Reviewed-by: Brian Norris <briannorris@chromium.org>
> ---
> Changes in v5:
> - added 'Reviewed-by: Brian Norris <briannorris@chromium.org>' tag
> 
> Changes in v4:
> - register throttler in cros_ec_dev.c instead of cros_ec.c
> 
> Changes in v3:
> - patch added to series
> ---
>  drivers/mfd/cros_ec_dev.c | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)

For my own reference:
  Acked-for-MFD-by: Lee Jones <lee.jones@linaro.org>
diff mbox

Patch

diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c
index eafd06f62a3a..9e56c2793075 100644
--- a/drivers/mfd/cros_ec_dev.c
+++ b/drivers/mfd/cros_ec_dev.c
@@ -383,6 +383,22 @@  static void cros_ec_sensors_register(struct cros_ec_dev *ec)
 	kfree(msg);
 }
 
+static const struct mfd_cell ec_throttler_cells[] = {
+	{ .name = "cros-ec-throttler" }
+};
+
+static void cros_ec_throttler_register(struct cros_ec_dev *ec)
+{
+	int ret;
+
+	ret = mfd_add_devices(ec->dev, 0, ec_throttler_cells,
+			      ARRAY_SIZE(ec_throttler_cells),
+			      NULL, 0, NULL);
+	if (ret)
+		dev_err(ec->dev,
+			"failed to add cros-ec-throttler device: %d\n", ret);
+}
+
 static int ec_device_probe(struct platform_device *pdev)
 {
 	int retval = -ENOMEM;
@@ -422,6 +438,9 @@  static int ec_device_probe(struct platform_device *pdev)
 	if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE))
 		cros_ec_sensors_register(ec);
 
+	if (IS_ENABLED(CONFIG_CROS_EC_THROTTLER))
+		cros_ec_throttler_register(ec);
+
 	/* Take control of the lightbar from the EC. */
 	lb_manual_suspend_ctrl(ec, 1);