On Thu, 2015-03-26 at 14:13 -0500, 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 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 <tj@xxxxxxxxxx> > > 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 | 71 +++++++++++++++++++++++++++++++++++++++ > 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 | 13 +++++++ > include/linux/mod_devicetable.h | 2 ++ > scripts/mod/devicetable-offsets.c | 2 ++ > scripts/mod/file2alias.c | 32 ++++++++++++++++-- > 12 files changed, 186 insertions(+), 10 deletions(-) > FWIW, Tested-by: Mark Salter <msalter@xxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
