Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]
Groups > linux.kernel > #1289312
| From | Adrian Hunter <adrian.hunter@intel.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table |
| Date | 2015-12-11 09:30 +0100 |
| Message-ID | <qErfs-1Fq-19@gated-at.bofh.it> (permalink) |
| References | <qBCqL-5Om-11@gated-at.bofh.it> <qBCTM-6fn-1@gated-at.bofh.it> <qC0Mq-4A2-35@gated-at.bofh.it> <qCZuW-24d-7@gated-at.bofh.it> <qEgtI-2KO-13@gated-at.bofh.it> |
| Organization | Intel Finland Oy, Registered Address: PL 281, 00181 Helsinki, Business Identity Code: 0357606 - 4, Domiciled in Helsinki |
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@codeaurora.org>
>>>>> ---
>>>>>
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Back to linux.kernel | Previous | Next — Previous in thread | Next in thread | Find similar | Unroll thread
[PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Philip Elcan <pelcan@codeaurora.org> - 2015-12-03 14:50 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Adrian Hunter <adrian.hunter@intel.com> - 2015-12-03 15:20 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Philip Elcan <pelcan@codeaurora.org> - 2015-12-04 16:50 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Adrian Hunter <adrian.hunter@intel.com> - 2015-12-07 09:40 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Philip Elcan <pelcan@codeaurora.org> - 2015-12-10 22:00 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table Adrian Hunter <adrian.hunter@intel.com> - 2015-12-11 09:30 +0100
Re: [PATCH] mmc: sdhci-acpi: set non-removable in ACPI table "Rafael J. Wysocki" <rjw@rjwysocki.net> - 2015-12-11 23:30 +0100
csiph-web