Re: [PATCH v3] memory: dfl-emif: add the DFL EMIF private feature driver

From: Krzysztof Kozlowski
Date: Mon Sep 21 2020 - 03:23:19 EST


On Mon, Sep 21, 2020 at 01:31:20PM +0800, Xu Yilun wrote:
> This driver is for the EMIF private feature implemented under FPGA
> Device Feature List (DFL) framework. It is used to expose memory
> interface status information as well as memory clearing control.
>
> The purpose of memory clearing block is to zero out all private memory
> when FPGA is to be reprogrammed. This gives users a reliable method to
> prevent potential data leakage.
>
> Signed-off-by: Xu Yilun <yilun.xu@xxxxxxxxx>
> Signed-off-by: Russ Weight <russell.h.weight@xxxxxxxxx>
> ---
> v2: Adjust the position of this driver in Kconfig.
> Improves the name of the Kconfig option.
> Change the include dfl-bus.h to dfl.h, cause the previous patchset
> renames the file.
> Some minor fixes and comment improvement.
> v3: Adjust the position of the driver in Makefile.
> ---
> .../ABI/testing/sysfs-bus-dfl-devices-emif | 25 +++
> drivers/memory/Kconfig | 9 +
> drivers/memory/Makefile | 2 +
> drivers/memory/dfl-emif.c | 207 +++++++++++++++++++++
> 4 files changed, 243 insertions(+)
> create mode 100644 Documentation/ABI/testing/sysfs-bus-dfl-devices-emif
> create mode 100644 drivers/memory/dfl-emif.c
>

Hi Moritz,

Since this depends on dfl patches, I would need a stable tag with them
or you can take it directly:
Acked-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>

Best regards,
Krzysztof