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Date:   Mon, 23 Jan 2017 16:45:51 +0100
From:   Enric Balletbo Serra <eballetbo@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        rtc-linux@...glegroups.com, Olof Johansson <olof@...om.net>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...e-electrons.com>,
        Stephen Barber <smbarber@...omium.org>,
        Benson Leung <bleung@...omium.org>
Subject: Re: [PATCH v2 4/4] mfd: cros_ec: add RTC as mfd subdevice

Guess I forget to add one of the platform/chrome maintainers, as only
his ack is pending for this series, cc'ing Benson Leung

Thanks,
 Enric


2017-01-23 13:14 GMT+01:00 Lee Jones <lee.jones@...aro.org>:
> On Thu, 19 Jan 2017, Enric Balletbo i Serra wrote:
>
>> From: Stephen Barber <smbarber@...omium.org>
>>
>> If the EC supports RTC host commands, expose an RTC device.
>>
>> Signed-off-by: Stephen Barber <smbarber@...omium.org>
>> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
>> ---
>>  drivers/platform/chrome/cros_ec_dev.c | 22 ++++++++++++++++++++++
>>  1 file changed, 22 insertions(+)
>
> This still needs an Ack.
>
>> diff --git a/drivers/platform/chrome/cros_ec_dev.c b/drivers/platform/chrome/cros_ec_dev.c
>> index 47268ec..ebe029d 100644
>> --- a/drivers/platform/chrome/cros_ec_dev.c
>> +++ b/drivers/platform/chrome/cros_ec_dev.c
>> @@ -383,6 +383,24 @@ static void cros_ec_sensors_register(struct cros_ec_dev *ec)
>>       kfree(msg);
>>  }
>>
>> +static const struct mfd_cell cros_ec_rtc_devs[] = {
>> +     {
>> +             .name = "cros-ec-rtc",
>> +             .id   = -1,
>> +     },
>> +};
>> +
>> +static void cros_ec_rtc_register(struct cros_ec_dev *ec)
>> +{
>> +     int ret;
>> +
>> +     ret = mfd_add_devices(ec->dev, 0, cros_ec_rtc_devs,
>> +                           ARRAY_SIZE(cros_ec_rtc_devs),
>> +                           NULL, 0, NULL);
>> +     if (ret)
>> +             dev_err(ec->dev, "failed to add cros-ec-rtc device: %d\n", ret);
>> +}
>> +
>>  static int ec_device_probe(struct platform_device *pdev)
>>  {
>>       int retval = -ENOMEM;
>> @@ -441,6 +459,10 @@ 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))
>> +             cros_ec_rtc_register(ec);
>> +
>>       return 0;
>>
>>  dev_reg_failed:
>
> --
> Lee Jones
> Linaro STMicroelectronics Landing Team Lead
> Linaro.org │ Open source software for ARM SoCs
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