linux-kernel - Re: [net-next: PATCH v4 0/7] Armada 7k/8k PP2 ACPI support

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Message-ID: <20180118132322.GE2690@kwain>
Date:   Thu, 18 Jan 2018 14:23:22 +0100
From:   Antoine Tenart <antoine.tenart@...e-electrons.com>
To:     Marcin Wojtas <mw@...ihalf.com>
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        netdev@...r.kernel.org, linux-acpi@...r.kernel.org,
        graeme.gregory@...aro.org, davem@...emloft.net,
        linux@...linux.org.uk, rafael.j.wysocki@...el.com, andrew@...n.ch,
        f.fainelli@...il.com, antoine.tenart@...e-electrons.com,
        thomas.petazzoni@...e-electrons.com,
        gregory.clement@...e-electrons.com, stefanc@...vell.com,
        nadavh@...vell.com, neta@...vell.com, ard.biesheuvel@...aro.org,
        jaz@...ihalf.com, tn@...ihalf.com
Subject: Re: [net-next: PATCH v4 0/7] Armada 7k/8k PP2 ACPI support

Hi Marcin,

I tested the series on a MacchiatoBin to ensure the mvpp2 DT support was
still working. I was able to use all supported ports as before, and saw
no issue.

For all mvpp2 patches, you can add:

Tested-by: Antoine Tenart <antoine.tenart@...e-electrons.com>

Thanks!
Antoine

On Thu, Jan 18, 2018 at 01:31:37PM +0100, Marcin Wojtas wrote:
> Hi,
> 
> I quickly resend the series, thanks to Antoine Tenart's remark,
> who spotted !CONFIG_ACPI compilation issue after introducing
> the new fwnode_irq_get() routine. Please see the details in the changelog
> below and the 3/7 commit log.
> 
> 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.
> 
> Best regards,
> Marcin
> 
> Changelog:
> v3 -> v4:
> * 3/7
>     - add new macro (ACPI_HANDLE_FWNODE) and fix
>       compilation with !CONFIG_ACPI
>     - extend commit log and mention usability of fwnode_irq_get
>       for the child nodes as well
> 
> 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              | 104 ++++++++--
>  drivers/net/ethernet/marvell/mvpp2.c | 206 ++++++++++++--------
>  include/linux/acpi.h                 |   3 +
>  include/linux/property.h             |  11 ++
>  4 files changed, 232 insertions(+), 92 deletions(-)
> 
> -- 
> 2.7.4
> 

-- 
Antoine Ténart, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com