Check whether this EC instance has RTC host command support and instatiate the RTC driver as a subdevice in such case.
Signed-off-by: Enric Balletbo i Serra <[email protected]> Reviewed-by: Gwendal Grignou <[email protected]> Reviewed-by: Andy Shevchenko <[email protected]> --- Changes in v5: - [4/8] For mfd_cell struct use one line and no need for the comma. Changes in v4: - [4/8] Nit: check -> Check (Lee Jones) - [4/8] Use ARRAY_SIZE() instead of hardcoded number (Lee Jones) Changes in v3: - [4/8] Add the Reviewed-by Andy Shevchenko. Changes in v2: - [4/8] Add the Reviewed-by Gwendal. drivers/mfd/cros_ec_dev.c | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/drivers/mfd/cros_ec_dev.c b/drivers/mfd/cros_ec_dev.c index f98e5beffca6..e00bfb1e9030 100644 --- a/drivers/mfd/cros_ec_dev.c +++ b/drivers/mfd/cros_ec_dev.c @@ -389,6 +389,10 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec) kfree(msg); } +static const struct mfd_cell cros_ec_rtc_cells[] = { + { .name = "cros-ec-rtc" } +}; + static int ec_device_probe(struct platform_device *pdev) { int retval = -ENOMEM; @@ -437,6 +441,18 @@ static int ec_device_probe(struct platform_device *pdev) if (cros_ec_check_features(ec, EC_FEATURE_MOTION_SENSE)) cros_ec_sensors_register(ec); + /* Check whether this EC instance has RTC host command support */ + if (cros_ec_check_features(ec, EC_FEATURE_RTC)) { + retval = mfd_add_devices(ec->dev, PLATFORM_DEVID_AUTO, + cros_ec_rtc_cells, + ARRAY_SIZE(cros_ec_rtc_cells), + NULL, 0, NULL); + if (retval) + dev_err(ec->dev, + "failed to add cros-ec-rtc device: %d\n", + retval); + } + /* Take control of the lightbar from the EC. */ lb_manual_suspend_ctrl(ec, 1); -- 2.16.3
