[    2.940153] rtc-pcf8563 0-0051: chip found, driver version 0.4.4
[    2.952683] rtc-pcf8563 0-0051: pcf8563_write_block_data: err=-6 addr=0e, data=03
[    2.966567] rtc-pcf8563 0-0051: pcf8563_probe: write error
[    2.978396] rtc-pcf8563: probe of 0-0051 failed with error -5
[    4.870665] hctosys: unable to open rtc device (rtc0)