Using this patch, I get after rebooting and without running camcontrol rescan:
On Nanopi M1+ (armv7, AllWinner):
```
root@nanopi:~ # camcontrol devlist
<SDHC SD16G 3.0 SN 7CA5C349 MFG 03/2016 > at scbus0 target 0 lun 0 (pass0,sdda0)
<SDIO card> at scbus1 target 0 lun 0 (pass1,sdiob0)
<MMCHC 8WPD3R 0.0 SN 53CFF01B MFG 10/200> at scbus2 target 0 lun 0 (pass2,sdda1)
```
On Pine64 (arm64, AllWinner):
```
root@r64:~ # camcontrol devlist
<SDHC SC32G 8.0 SN 1B240699 MFG 05/2018 > at scbus0 target 0 lun 0 (pass0,sdda0)
<MMCHC M8B16G 2.8 SN 4E176927 MFG 07/200> at scbus1 target 0 lun 0 (pass1,sdda1)
```
On Raspberry Pi 3 (arm64. SDHCI + SDHOST controllers):
```
root@rpi3:~ # camcontrol devlist
<SDHC SL16G 8.0 SN 19853490 MFG 01/2017 > at scbus0 target 0 lun 0 (pass0,sdda0)
<SDIO card> at scbus1 target 0 lun 0 (pass1,sdiob0)```