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From: John Garry <john.garry@huawei.com>
To: "Rafael J. Wysocki" <rafael@kernel.org>
Cc: Olof Johansson <olof@lixom.net>,
	"Rafael J. Wysocki" <rjw@rjwysocki.net>,
	Len Brown <lenb@kernel.org>,
	Jeremy Linton <jeremy.linton@arm.com>,
	"Arnd Bergmann" <arnd@arndb.de>,
	Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
	ACPI Devel Maling List <linux-acpi@vger.kernel.org>,
	Hanjun Guo <guohanjun@huawei.com>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>
Subject: Re: [PATCH RFC 2/2] soc: Add a basic ACPI generic driver
Date: Tue, 28 Jan 2020 19:28:11 +0000	[thread overview]
Message-ID: <b6cc7edd-fbb9-ed7a-412e-0d75e4c8ec2b@huawei.com> (raw)
In-Reply-To: <CAJZ5v0jN5ED_U2s06--8Rx-S4g-wuVxw9YPR12_WL3TnV81_Ag@mail.gmail.com>


>>>>
>>>> Signed-off-by: John Garry <john.garry@huawei.com>
>>>> ---
>>>>    drivers/soc/Makefile       |   1 +
>>>>    drivers/soc/acpi_generic.c | 102 +++++++++++++++++++++++++++++++++++++
>>>>    2 files changed, 103 insertions(+)
>>>>    create mode 100644 drivers/soc/acpi_generic.c
>>>>
>>>> diff --git a/drivers/soc/Makefile b/drivers/soc/Makefile
>>>> index 8b49d782a1ab..2a59a30a22cd 100644
>>>> --- a/drivers/soc/Makefile
>>>> +++ b/drivers/soc/Makefile
>>>> @@ -3,6 +3,7 @@
>>>>    # Makefile for the Linux Kernel SOC specific device drivers.
>>>>    #
>>>>
>>>> +obj-$(CONFIG_ACPI_PPTT)                += acpi_generic.o
>>>>    obj-$(CONFIG_ARCH_ACTIONS)     += actions/
>>>>    obj-$(CONFIG_SOC_ASPEED)       += aspeed/
>>>>    obj-$(CONFIG_ARCH_AT91)                += atmel/
>>>
>>> Based on everything I've seen so far, this should go under drivers/acpi instead.
>>
>> soc drivers seem to live in drivers/soc (non-arm32, anyway), so I
>> decided on this location. But drivers/acpi would also seem reasonable now.
> 

Hi Rafael,

> Any reasons for not putting it into drivers/acpi/pptt.c specifically?
> .

I don't think so.

One thing is that the code does a one-time scan of the PPTT to find all 
processor package nodes with ID structures to register the soc devices - 
so we would need some new call from from acpi_init() for that.

Thanks,
John



  reply	other threads:[~2020-01-28 19:28 UTC|newest]

Thread overview: 30+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-01-28 11:14 [PATCH RFC 0/2] Add basic generic ACPI soc driver John Garry
2020-01-28 11:14 ` [PATCH RFC 1/2] ACPI/PPTT: Add acpi_pptt_get_package_info() API John Garry
2020-01-28 12:34   ` Sudeep Holla
2020-01-28 14:04     ` John Garry
2020-01-28 14:54       ` Sudeep Holla
2020-01-29 11:03         ` John Garry
2020-01-30 11:23     ` Sudeep Holla
2020-01-30 16:12       ` John Garry
2020-01-30 17:41         ` Sudeep Holla
2020-01-31 10:58           ` John Garry
2020-01-28 11:14 ` [PATCH RFC 2/2] soc: Add a basic ACPI generic driver John Garry
2020-01-28 11:56   ` Greg KH
2020-01-28 13:33     ` John Garry
2020-01-28 12:50   ` Arnd Bergmann
2020-01-28 14:46     ` John Garry
2020-01-28 15:20   ` Sudeep Holla
2020-01-28 15:59     ` John Garry
2020-01-28 16:17       ` Sudeep Holla
2020-01-28 17:51   ` Olof Johansson
2020-01-28 18:22     ` John Garry
2020-01-28 19:11       ` Rafael J. Wysocki
2020-01-28 19:28         ` John Garry [this message]
2020-01-28 22:30           ` Rafael J. Wysocki
2020-01-29 10:27             ` John Garry
2020-01-28 20:06       ` Olof Johansson
2020-01-29  9:58         ` John Garry
2020-01-28 16:56 ` [PATCH RFC 0/2] Add basic generic ACPI soc driver Jeremy Linton
2020-01-28 17:28   ` John Garry
2020-01-28 19:04     ` Jeremy Linton
2020-01-28 20:07       ` John Garry

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