[systemd-devel] Run script before the first systemd-timer is triggered? Systemd-timer in UTC?

[Lukasz Skalski]

On 04/28/2014 02:22 PM, Manuel Reimer wrote:
> Lukasz Skalski <l.skalski <at> samsung.com> writes:
>> You can define which RTC (/dev/rtcX) should be read -
>> "(rtc1) RTC used to set the system time" option in kernel menuconfig.
>
> Yes, this is possible. But my RTC does not exist until I do the following on
> shell:
>
> echo ds1307 0x68 > /sys/class/i2c-adapter/i2c-1/new_device
>
> Is there some other config option to tell the kernel to auto-initialize the
> I2C clock module?

One of possibilities is add i2c_board_info struct in 
../arch/arm/XXX-mach/your_device.c file. For example:

static struct i2c_board_info __initdata XXX_i2c_devices[] = {
        {
           I2C_BOARD_INFO("rtc-ds1307", 0x68),
           .type = "ds1307",
        },
};

And in the same file (in __init XXX_init(void) function):

i2c_register_board_info(1,bcm2708_i2c_devices,ARRAY_SIZE(XXX_i2c_devices));

BR,
-- 
Lukasz Skalski
Samsung R&D Institute Poland
Samsung Electronics
l.skalski at samsung.com

>
> Thanks in advance.
>
> Greetings,
>
> Manuel
>
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