[PATCH v3 12/12] mfd: cros_ec: Add throttler sub-device
From: Matthias Kaehlcke <mka@chromium.org>
Date: 2018-06-14 19:47:52
Also in:
linux-pm, lkml
Subsystem:
multifunction devices (mfd), the rest · Maintainers:
Lee Jones, Linus Torvalds
Instantiate the CrOS EC throttler if it is enabled in the kernel configuration. Signed-off-by: Matthias Kaehlcke <mka@chromium.org> --- Changes in v3: - patch added to series drivers/mfd/cros_ec.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index 36156a41499c..5f52b6e2c21a 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c@@ -91,6 +91,10 @@ static int cros_ec_sleep_event(struct cros_ec_device *ec_dev, u8 sleep_event) return cros_ec_cmd_xfer(ec_dev, &buf.msg); } +static const struct mfd_cell ec_throttler_cell = { + .name = "cros-ec-throttler", +}; + int cros_ec_register(struct cros_ec_device *ec_dev) { struct device *dev = ec_dev->dev;
@@ -153,6 +157,18 @@ int cros_ec_register(struct cros_ec_device *ec_dev) } } + if (IS_ENABLED(CONFIG_CROS_EC_THROTTLER)) { + err = mfd_add_devices(ec_dev->dev, PLATFORM_DEVID_AUTO, + &ec_throttler_cell, 1, NULL, ec_dev->irq, + NULL); + if (err) { + dev_err(dev, + "Failed to register throttler subdevice %d\n", + err); + return err; + } + } + if (IS_ENABLED(CONFIG_OF) && dev->of_node) { err = devm_of_platform_populate(dev); if (err) {
--
2.18.0.rc1.242.g61856ae69a-goog