2015-04-06 15:45:50

by Suthikulpanit, Suravee

[permalink] [raw]
Subject: Re: [V8 PATCH 0/3] Introduce ACPI support for ahci_platform driver

Ping.

Are there any other concerns for this patch series?

Thanks,

Suravee

On 3/30/2015 4:56 PM, Suravee Suthikulpanit wrote:
> This patch series introduce ACPI support for AHCI platform driver.
> Existing ACPI support for AHCI assumes the device controller is a PCI device.
> Since there is no ACPI _CID for generic AHCI controller, the driver
> could not use it for matching devices. Therefore, this patch introduces
> a mechanism for drivers to match devices using ACPI _CLS method.
> _CLS contains PCI-defined class-code.
>
> This patch series also modifies ACPI modalias to add class-code to the
> exisiting format, which currently only uses _HID and _CIDs. This is required
> to support loadable modules w/ _CLS.
>
> This is rebased from and tested with:
>
> http://git.linaro.org/leg/acpi/acpi.git acpi-5.1-v11
>
> This topic was discussed earlier here (as part of introducing support for
> AMD Seattle SATA controller):
>
> http://marc.info/?l=linux-arm-kernel&m=141083492521584&w=2
>
> Changes from V7 (https://lkml.org/lkml/2015/3/26/592)
> * [1/3] Return AE_AML_OPERAND_TYPE when _CLS package containing
> invalid type (per Robert Moore suggestion).
> * [2/3] Fixed build error due missing ACPI_DEVICE_CLASS definition
> when disabling ACPI.
>
> Changes from V6 (https://lkml.org/lkml/2015/3/25/797)
> * Adding Acked-by Mika, and Reviewed-by Hanjun
> * Minor clen up to use lower case 0xffffff for cls_msk
> (per Mika suggestions).
> * Modify the ACPI_DEVICE_CLASS macro to use designated initializer
> (per Mika suggestions).
>
> Changes from V5 (https://lkml.org/lkml/2015/3/6/24)
> * Rebased and tested with acpi-5.1-v11
> * Splitting up the ACPICA changes into a separate patch [1/3].
> (per Mika suggestion)
> * Adding class-code mask support (per Mika suggestion)
> * Use macro to define struct acpi_device_id entry (per Mika suggestion)
> * Note: Mika also recommend reordering the member of struct acpi_device_id
> and define a macro to be used for declaring each table entry. This is a
> large amount of changes, and will be done separtely from this patch series.
>
> Changes from V4 (https://lkml.org/lkml/2015/3/2/56)
> * [1/2] Bug fixed: Reorder the declaration of
> struct acpi_pnp_device_id cls in the struct acpi_device_info
> (include/acpi/actypes.h) since compatible_id_list must be last one.
> * [2/2] Added Acked-by: Tejun Heo <[email protected]>
>
> Changes from V3 (https://lkml.org/lkml/2015/2/8/106)
> * Instead of introducing new structure acpi_device_cls, add cls into
> the acpi_device_id, and modify the __acpi_match_device
> to also match for cls. (per Mika suggestion.)
> * Add loadable module support, which requires changes in ACPI
> modalias. (per Mika suggestion.)
> * Rebased and tested with acpi-5.1-v9
>
> Changes from V2 (https://lkml.org/lkml/2015/1/5/662)
> * Update with review comment from Rafael in patch 1/2
> * Rebased and tested with acpi-5.1-v8
>
> Changes from V1 (https://lkml.org/lkml/2014/12/19/345)
> * Rebased to 3.19.0-rc2
> * Change from acpi_cls in device_driver to acpi_match_cls (Hanjun comment)
> * Change the matching logic in acpi_driver_match_device() due to the new
> special PRP0001 _HID.
> * Simplify the return type of acpi_match_device_cls() to boolean.
>
> Changes from RFC (https://lkml.org/lkml/2014/12/17/446)
> * Remove #ifdef and make non-ACPI version of the acpi_match_device_cls
> as inline. (per Arnd)
> * Simplify logic to retrieve and evaluate _CLS handle. (per Hanjun)
>
> Suravee Suthikulpanit (3):
> ACPICA: Add ACPI _CLS processing
> ACPI / scan: Add support for ACPI _CLS device matching
> ata: ahci_platform: Add ACPI _CLS matching
>
> drivers/acpi/acpica/acutils.h | 3 ++
> drivers/acpi/acpica/nsxfname.c | 21 +++++++++--
> drivers/acpi/acpica/utids.c | 73 +++++++++++++++++++++++++++++++++++++++
> drivers/acpi/scan.c | 36 ++++++++++++++++---
> drivers/ata/Kconfig | 2 +-
> drivers/ata/ahci_platform.c | 9 +++++
> include/acpi/acnames.h | 1 +
> include/acpi/actypes.h | 4 ++-
> include/linux/acpi.h | 14 ++++++++
> include/linux/mod_devicetable.h | 2 ++
> scripts/mod/devicetable-offsets.c | 2 ++
> scripts/mod/file2alias.c | 32 +++++++++++++++--
> 12 files changed, 189 insertions(+), 10 deletions(-)
>


2015-04-23 16:32:35

by Suthikulpanit, Suravee

[permalink] [raw]
Subject: Re: [V8 PATCH 0/3] Introduce ACPI support for ahci_platform driver

Mika/Rafael,

If there are no other concerns about this patch series, do you think this
ready to be pushed to linux-next tree along with the rest of the ARM64
ACPI patch series from Linaro?

Thanks,

Suravee

On 4/6/15, 10:45, "Suravee Suthikulanit" <[email protected]>
wrote:

>Ping.
>
>Are there any other concerns for this patch series?
>
>Thanks,
>
>Suravee
>
>On 3/30/2015 4:56 PM, Suravee Suthikulpanit wrote:
>> This patch series introduce ACPI support for AHCI platform driver.
>> Existing ACPI support for AHCI assumes the device controller is a PCI
>>device.
>> Since there is no ACPI _CID for generic AHCI controller, the driver
>> could not use it for matching devices. Therefore, this patch introduces
>> a mechanism for drivers to match devices using ACPI _CLS method.
>> _CLS contains PCI-defined class-code.
>>
>> This patch series also modifies ACPI modalias to add class-code to the
>> exisiting format, which currently only uses _HID and _CIDs. This is
>>required
>> to support loadable modules w/ _CLS.
>>
>> This is rebased from and tested with:
>>
>> http://git.linaro.org/leg/acpi/acpi.git acpi-5.1-v11
>>
>> This topic was discussed earlier here (as part of introducing support
>>for
>> AMD Seattle SATA controller):
>>
>> http://marc.info/?l=linux-arm-kernel&m=141083492521584&w=2
>>
>> Changes from V7 (https://lkml.org/lkml/2015/3/26/592)
>> * [1/3] Return AE_AML_OPERAND_TYPE when _CLS package containing
>> invalid type (per Robert Moore suggestion).
>> * [2/3] Fixed build error due missing ACPI_DEVICE_CLASS definition
>> when disabling ACPI.
>>
>> Changes from V6 (https://lkml.org/lkml/2015/3/25/797)
>> * Adding Acked-by Mika, and Reviewed-by Hanjun
>> * Minor clen up to use lower case 0xffffff for cls_msk
>> (per Mika suggestions).
>> * Modify the ACPI_DEVICE_CLASS macro to use designated initializer
>> (per Mika suggestions).
>>
>> Changes from V5 (https://lkml.org/lkml/2015/3/6/24)
>> * Rebased and tested with acpi-5.1-v11
>> * Splitting up the ACPICA changes into a separate patch [1/3].
>> (per Mika suggestion)
>> * Adding class-code mask support (per Mika suggestion)
>> * Use macro to define struct acpi_device_id entry (per Mika suggestion)
>> * Note: Mika also recommend reordering the member of struct
>>acpi_device_id
>> and define a macro to be used for declaring each table entry. This
>>is a
>> large amount of changes, and will be done separtely from this patch
>>series.
>>
>> Changes from V4 (https://lkml.org/lkml/2015/3/2/56)
>> * [1/2] Bug fixed: Reorder the declaration of
>> struct acpi_pnp_device_id cls in the struct acpi_device_info
>> (include/acpi/actypes.h) since compatible_id_list must be last one.
>> * [2/2] Added Acked-by: Tejun Heo <[email protected]>
>>
>> Changes from V3 (https://lkml.org/lkml/2015/2/8/106)
>> * Instead of introducing new structure acpi_device_cls, add cls into
>> the acpi_device_id, and modify the __acpi_match_device
>> to also match for cls. (per Mika suggestion.)
>> * Add loadable module support, which requires changes in ACPI
>> modalias. (per Mika suggestion.)
>> * Rebased and tested with acpi-5.1-v9
>>
>> Changes from V2 (https://lkml.org/lkml/2015/1/5/662)
>> * Update with review comment from Rafael in patch 1/2
>> * Rebased and tested with acpi-5.1-v8
>>
>> Changes from V1 (https://lkml.org/lkml/2014/12/19/345)
>> * Rebased to 3.19.0-rc2
>> * Change from acpi_cls in device_driver to acpi_match_cls (Hanjun
>>comment)
>> * Change the matching logic in acpi_driver_match_device() due to the
>>new
>> special PRP0001 _HID.
>> * Simplify the return type of acpi_match_device_cls() to boolean.
>>
>> Changes from RFC (https://lkml.org/lkml/2014/12/17/446)
>> * Remove #ifdef and make non-ACPI version of the acpi_match_device_cls
>> as inline. (per Arnd)
>> * Simplify logic to retrieve and evaluate _CLS handle. (per Hanjun)
>>
>> Suravee Suthikulpanit (3):
>> ACPICA: Add ACPI _CLS processing
>> ACPI / scan: Add support for ACPI _CLS device matching
>> ata: ahci_platform: Add ACPI _CLS matching
>>
>> drivers/acpi/acpica/acutils.h | 3 ++
>> drivers/acpi/acpica/nsxfname.c | 21 +++++++++--
>> drivers/acpi/acpica/utids.c | 73
>>+++++++++++++++++++++++++++++++++++++++
>> drivers/acpi/scan.c | 36 ++++++++++++++++---
>> drivers/ata/Kconfig | 2 +-
>> drivers/ata/ahci_platform.c | 9 +++++
>> include/acpi/acnames.h | 1 +
>> include/acpi/actypes.h | 4 ++-
>> include/linux/acpi.h | 14 ++++++++
>> include/linux/mod_devicetable.h | 2 ++
>> scripts/mod/devicetable-offsets.c | 2 ++
>> scripts/mod/file2alias.c | 32 +++++++++++++++--
>> 12 files changed, 189 insertions(+), 10 deletions(-)
>>
>

2015-04-23 16:37:35

by Rafael J. Wysocki

[permalink] [raw]
Subject: Re: [V8 PATCH 0/3] Introduce ACPI support for ahci_platform driver

On Thursday, April 23, 2015 04:32:25 PM Suthikulpanit, Suravee wrote:
> Mika/Rafael,
>
> If there are no other concerns about this patch series, do you think this
> ready to be pushed to linux-next tree along with the rest of the ARM64
> ACPI patch series from Linaro?

There are concerns regarding patch [1/3] from Bob and Lv (please look at the
last message from Bob in this thread for details).


> >On 3/30/2015 4:56 PM, Suravee Suthikulpanit wrote:
> >> This patch series introduce ACPI support for AHCI platform driver.
> >> Existing ACPI support for AHCI assumes the device controller is a PCI
> >>device.
> >> Since there is no ACPI _CID for generic AHCI controller, the driver
> >> could not use it for matching devices. Therefore, this patch introduces
> >> a mechanism for drivers to match devices using ACPI _CLS method.
> >> _CLS contains PCI-defined class-code.
> >>
> >> This patch series also modifies ACPI modalias to add class-code to the
> >> exisiting format, which currently only uses _HID and _CIDs. This is
> >>required
> >> to support loadable modules w/ _CLS.
> >>
> >> This is rebased from and tested with:
> >>
> >> http://git.linaro.org/leg/acpi/acpi.git acpi-5.1-v11
> >>
> >> This topic was discussed earlier here (as part of introducing support
> >>for
> >> AMD Seattle SATA controller):
> >>
> >> http://marc.info/?l=linux-arm-kernel&m=141083492521584&w=2
> >>
> >> Changes from V7 (https://lkml.org/lkml/2015/3/26/592)
> >> * [1/3] Return AE_AML_OPERAND_TYPE when _CLS package containing
> >> invalid type (per Robert Moore suggestion).
> >> * [2/3] Fixed build error due missing ACPI_DEVICE_CLASS definition
> >> when disabling ACPI.
> >>
> >> Changes from V6 (https://lkml.org/lkml/2015/3/25/797)
> >> * Adding Acked-by Mika, and Reviewed-by Hanjun
> >> * Minor clen up to use lower case 0xffffff for cls_msk
> >> (per Mika suggestions).
> >> * Modify the ACPI_DEVICE_CLASS macro to use designated initializer
> >> (per Mika suggestions).
> >>
> >> Changes from V5 (https://lkml.org/lkml/2015/3/6/24)
> >> * Rebased and tested with acpi-5.1-v11
> >> * Splitting up the ACPICA changes into a separate patch [1/3].
> >> (per Mika suggestion)
> >> * Adding class-code mask support (per Mika suggestion)
> >> * Use macro to define struct acpi_device_id entry (per Mika suggestion)
> >> * Note: Mika also recommend reordering the member of struct
> >>acpi_device_id
> >> and define a macro to be used for declaring each table entry. This
> >>is a
> >> large amount of changes, and will be done separtely from this patch
> >>series.
> >>
> >> Changes from V4 (https://lkml.org/lkml/2015/3/2/56)
> >> * [1/2] Bug fixed: Reorder the declaration of
> >> struct acpi_pnp_device_id cls in the struct acpi_device_info
> >> (include/acpi/actypes.h) since compatible_id_list must be last one.
> >> * [2/2] Added Acked-by: Tejun Heo <[email protected]>
> >>
> >> Changes from V3 (https://lkml.org/lkml/2015/2/8/106)
> >> * Instead of introducing new structure acpi_device_cls, add cls into
> >> the acpi_device_id, and modify the __acpi_match_device
> >> to also match for cls. (per Mika suggestion.)
> >> * Add loadable module support, which requires changes in ACPI
> >> modalias. (per Mika suggestion.)
> >> * Rebased and tested with acpi-5.1-v9
> >>
> >> Changes from V2 (https://lkml.org/lkml/2015/1/5/662)
> >> * Update with review comment from Rafael in patch 1/2
> >> * Rebased and tested with acpi-5.1-v8
> >>
> >> Changes from V1 (https://lkml.org/lkml/2014/12/19/345)
> >> * Rebased to 3.19.0-rc2
> >> * Change from acpi_cls in device_driver to acpi_match_cls (Hanjun
> >>comment)
> >> * Change the matching logic in acpi_driver_match_device() due to the
> >>new
> >> special PRP0001 _HID.
> >> * Simplify the return type of acpi_match_device_cls() to boolean.
> >>
> >> Changes from RFC (https://lkml.org/lkml/2014/12/17/446)
> >> * Remove #ifdef and make non-ACPI version of the acpi_match_device_cls
> >> as inline. (per Arnd)
> >> * Simplify logic to retrieve and evaluate _CLS handle. (per Hanjun)
> >>
> >> Suravee Suthikulpanit (3):
> >> ACPICA: Add ACPI _CLS processing
> >> ACPI / scan: Add support for ACPI _CLS device matching
> >> ata: ahci_platform: Add ACPI _CLS matching
> >>
> >> drivers/acpi/acpica/acutils.h | 3 ++
> >> drivers/acpi/acpica/nsxfname.c | 21 +++++++++--
> >> drivers/acpi/acpica/utids.c | 73
> >>+++++++++++++++++++++++++++++++++++++++
> >> drivers/acpi/scan.c | 36 ++++++++++++++++---
> >> drivers/ata/Kconfig | 2 +-
> >> drivers/ata/ahci_platform.c | 9 +++++
> >> include/acpi/acnames.h | 1 +
> >> include/acpi/actypes.h | 4 ++-
> >> include/linux/acpi.h | 14 ++++++++
> >> include/linux/mod_devicetable.h | 2 ++
> >> scripts/mod/devicetable-offsets.c | 2 ++
> >> scripts/mod/file2alias.c | 32 +++++++++++++++--
> >> 12 files changed, 189 insertions(+), 10 deletions(-)
> >>
> >
>
> --
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> the body of a message to [email protected]
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.

2015-04-24 20:46:16

by Suthikulpanit, Suravee

[permalink] [raw]
Subject: Re: [V8 PATCH 0/3] Introduce ACPI support for ahci_platform driver



On 4/23/15 12:02, Rafael J. Wysocki wrote:
> On Thursday, April 23, 2015 04:32:25 PM Suthikulpanit, Suravee wrote:
>> >Mika/Rafael,
>> >
>> >If there are no other concerns about this patch series, do you think this
>> >ready to be pushed to linux-next tree along with the rest of the ARM64
>> >ACPI patch series from Linaro?
> There are concerns regarding patch [1/3] from Bob and Lv (please look at the
> last message from Bob in this thread for details).
>

Sorry, I missed that email. I'll take a look and reply to that now.

Thanks,

Suravee