Re: mmccam -> no more cards/sdio but "mmcprobe"

From: Bjoern A. Zeeb <bzeeb-lists_at_lists.zabbadoz.net>
Date: Mon, 21 Jul 2025 00:02:08 UTC 
On Sun, 20 Jul 2025, Warner Losh wrote:

> On Sun, Jul 20, 2025, 5:19 PM Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net>
> wrote:
>
>> Hi,
>>
>> I've updated one of my trees to main after a longer while and I am
>> confused that I no longer see and SD card or SDIO (this is netbooted):
>>
>> # sysctl kern.features.mmccam
>> kern.features.mmccam: 1
>>
>> # camcontrol devlist -v
>> scbus0 on dw_mmc_sim0 bus 0:
>> <>                                 at scbus0 target 0 lun 0 (mmcprobe0)
>> scbus1 on dw_mmc_sim1 bus 0:
>> <>                                 at scbus1 target 0 lun 0 (mmcprobe1)
>> scbus-1 on xpt0 bus 0:
>> <>                                 at scbus-1 target -1 lun ffffffff (xpt0)
>>
>> Where to start looking?
>>
>
> So those probes are put there to evaluate devices that were found. If they
> remain, then that never finished. Most likely never started.
>
> What hardware is this on?

arm64, rockchip

[1.000651] rockchip_dwmmc0: <Synopsys DesignWare Mobile Storage Host Controller (RockChip)> mem 0xff500000-0xff503fff irq 42 on ofwbus0
[1.000652] rockchip_dwmmc0: vmmc-supply regulator found
[1.000653] rockchip_dwmmc0: vqmmc-supply regulator found
[1.000654] rockchip_dwmmc0: Hardware version ID is 270a
[1.000656] rockchip_dwmmc0: Disabling HS200+ (tuning code not written)
[1.000657] ofwbus0: <mmc@ff510000> mem 0xff510000-0xff513fff irq 43 disabled compat rockchip,rk3328-dw-mshc (no driver attached)
[1.000658] rockchip_dwmmc1: <Synopsys DesignWare Mobile Storage Host Controller (RockChip)> mem 0xff520000-0xff523fff irq 44 on ofwbus0
[1.000659] rockchip_dwmmc1: Hardware version ID is 270a
[1.000660] rockchip_dwmmc1: Disabling HS200+ (tuning code not written)


-- 
Bjoern A. Zeeb                                                     r15:7