Re: [RESEND PATCH 0/4] EDAC: support reduce bus width on 98dx3236
From: Gregory CLEMENT
Date: Wed Sep 20 2017 - 09:04:34 EST
On lun., aoÃt 07 2017, Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx> wrote:
> (sorry I messed up sending this earlier, there is one additional patch and I'll
> actually include the linux-arm and linux-edac mailing lists)
> This series applies on top of Jan Lubbe's "EDAC drivers for Armada XP L2 and
> DDR" series. 1/4, 2/4 and 3/4 don't strictly depend on Jan's work so they
> could go in through the ARM tree if that is preferred.
> The 98dx3236 and similar switch chips with integrated CPUs have fewer pins
> available for the SDRAM interface so the definition of "full" and "half" is
> different to the Armada-XP SoC. In this series I introduce a
> "marvell,reduced-width" device tree property and use this to identify such a
> I chose to use a new property instead of a new compatible string because the IP
> block really is the Armada-XP one (at least according to the Marvell FAE I
> spoke to) and because the scenario of requiring a reduced pin-count when going
> from an external SoC to an integrated one will be reasonably common as we see
> more an more of these switches with integrated ARM cores.
If I understood well a version 2 is expected. If I missed it, please
point me on it.
Once the binding will be acked I will be able to apply the dts
patch. For the first patch unless I am wrong the the series "EDAC
drivers for Armada XP L2 and DDR" was not applied or even formally
acked. Also while you will be at sending a new version please add a
commit log even a simple one.
For the 3rd patch, I also wait the new version of patch 2 with an
>  - http://marc.info/?l=linux-edac&m=150167758312924
> Chris Packham (4):
> ARM: dts: enable L2 cache parity and ecc on db-xc3-24g4xg board
> dt-bindings: add "reduced-width" property for Armada XP SDRAM
> ARM: dts: mvebu: set reduced-width property for SDRAM on 98dx3236
> EDAC: add support for reduced-width Armada-XP SDRAM
> .../bindings/memory-controllers/mvebu-sdram-controller.txt | 6 ++++++
> arch/arm/boot/dts/armada-xp-98dx3236.dtsi | 1 +
> arch/arm/boot/dts/armada-xp-db-xc3-24g4xg.dts | 5 +++++
> drivers/edac/armada_xp_edac.c | 3 +++
> 4 files changed, 15 insertions(+)
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.