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SubjectRe: [net-next: PATCH v3 0/7] Armada 7k/8k PP2 ACPI support
On Wed, Jan 17, 2018 at 05:55:39PM +0100, Marcin Wojtas wrote:
> Hi,
>
> This is a third version of the patchset introducing mvpp2 driver ability
> to operate with ACPI. Until follow-up generic MDIO is introduced
> it can using the link interrupt capability (a.k.a. in-band management)
> on all ports, 1000BaseT RGMII included.
> Driver operation was tested on top of the net-next branch
> with both DT and ACPI on MacchiatoBin and Armada 7040 DB boards.
>
> The main changes were requested during v2 review, which was
> adding generic helper routines for:
> * interating over available fwnodes (new patch 4/7)
> * getting IRQ directly from fwnode (new patch 3/7)
> Thanks to the latter the driver code could be simplified
> and allowed to drop formula-based IRQ obtaining. Changes are
> summarized in the changelog below.
>
> mvpp2 driver can work with the ACPI representation, as exposed
> on a public branch:
> https://github.com/MarvellEmbeddedProcessors/edk2-open-platform/commits/marvell-armada-wip
> It was compiled together with the most recent Tianocore EDK2 revision.
> Please refer to the firmware build instruction on MacchiatoBin board:
> http://wiki.macchiatobin.net/tiki-index.php?page=Build+from+source+-+UEFI+EDK+II
>
> ACPI representation of PP2 controllers (withouth PHY support) can
> be viewed in the github:
> * MacchiatoBin:
> https://github.com/MarvellEmbeddedProcessors/edk2-open-platform/blob/71ae395da1661374b0f07d1602afb1eee56e9794/Platforms/Marvell/Armada/AcpiTables/Armada80x0McBin/Dsdt.asl#L201
>
> * Armada 7040 DB:
> https://github.com/MarvellEmbeddedProcessors/edk2-open-platform/blob/71ae395da1661374b0f07d1602afb1eee56e9794/Platforms/Marvell/Armada/AcpiTables/Armada70x0/Dsdt.asl#L131
>
> I will appreciate any comments or remarks.
>

Nice work, this looks pretty neat to me, for series.

Reviewed-by: Graeme Gregory <graeme.gregory@linaro.org>

Thanks

Graeme

> Best regards,
> Marcin
>
> Changelog:
> v2 -> v3:
> * 1/7, 2/7
> - Add Rafael's Acked-by's
> * 3/7, 4/7
> - New patches
> * 6/7, 7/7
> - Update driver with new helper routines usage
> - Improve commit log.
>
> v1 -> v2:
> * Remove MDIO patches
> * Use PP2 ports only with link interrupts
> * Release second region resources in mvpp2 driver (code moved from
> mvmdio), as explained in details in 5/5 commit message.
>
>
> Marcin Wojtas (7):
> device property: Introduce fwnode_get_mac_address()
> device property: Introduce fwnode_get_phy_mode()
> device property: Introduce fwnode_irq_get()
> device property: Allow iterating over available child fwnodes
> net: mvpp2: simplify maintaining enabled ports' list
> net: mvpp2: use device_*/fwnode_* APIs instead of of_*
> net: mvpp2: enable ACPI support in the driver
>
> drivers/base/property.c | 105 ++++++++--
> drivers/net/ethernet/marvell/mvpp2.c | 206 ++++++++++++--------
> include/linux/property.h | 11 ++
> 3 files changed, 230 insertions(+), 92 deletions(-)
>
> --
> 2.7.4
>
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