On 10/12/15 22:57, Philip Elcan wrote:
>
> On 12/07/2015 03:30 AM, Adrian Hunter wrote:
>> On 04/12/15 17:40, Philip Elcan wrote:
>>> On 12/03/2015 09:14 AM, Adrian Hunter wrote:
>>>> On 03/12/15 15:48, Philip Elcan wrote:
>>>>> This allows setting an SDHC controller as non-removable
>>>>> by using the _RMV method in the ACPI table. It doesn't
>>>> Is that _RMV on the host controller? Shouldn't it be on the card i.e. child
>>>> device node?
>>> Yes, this is on the host controller. The ACPI table only describes the
>>> host controller, not the child nodes.
>>>
>> If you look at Intel devices, the _RMV is on the child e.g.
>>
>> Device (SDHA)
>> {
>> Name (_HID, "80860F14") // _HID: Hardware ID
>> Name (_CID, "PNP0D40") // _CID: Compatible ID
>> Name (_DDN, "Intel(R) eMMC Controller - 80860F14") // _DDN: DOS Device Name
>> ...
>> Device (EMMD)
>> {
>> ...
>> Method (_RMV, 0, NotSerialized) // _RMV: Removal Status
>> {
>> Return (Zero)
>> }
>> }
>> }
>>
>> I am not an ACPI expert but that seems like the correct place for it.
> My understanding is that in ACPI you don't generally create child devices on buses that are discoverable.
I've cc'ed Rafael and the linux-acpi mailing list. Maybe someone there can
comment.
>>
>>>>> mark it as non-removable if GPIO card detection is
>>>>> already setup.
>>>>>
>>>>> Signed-off-by: Philip Elcan <pelcan@xxxxxxxxxxxxxx>
>>>>> ---
>>>>>
>
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