[PATCH linux dev-4.7 00/12] aspeed-smc: add support for AST2500 and DMA transfers

[Joel Stanley]

On Fri, Oct 14, 2016 at 11:07 PM, Cédric Le Goater <clg at kaod.org> wrote:
> Hello,
>
> This patchset adds to the current aspeed SMC driver the register
> settings enabling support for the AST2500. Some initial work is done
> on the segment registers to provide a better configuration of the
> mapping windows on the flash modules but this area clearly needs more
> work to be solid.

Thanks for sending these out. I have a few comments that I'll give you
a chance to respond to, but then we will apply this to dev-4.7 so
teams who require flash support have it ready to go.

At that point, I suggest we send it upstream for comment in it's current state.

Cheers,

Joel

>
> Also, a first version of DMA read/write is provided. But the speed
> results are not very satisfying so they are disabled by default. You
>
> Thanks,
>
> C.
>
> Cédric Le Goater (7):
>   ARM: dts: aspeed-g5: update ast2500 evb with new spi-nor binding
>   mtd: spi-nor: aspeed: make locking more explicit
>   mtd: spi-nor: aspeed: introduce a device under aspeed_smc_controller
>   mtd: spi-nor: aspeed: add DMA support to smc controller
>   ARM: dts: aspeed: update SMC controller nodes supporting DMAs
>   mtd: spi-nor: aspeed: use property "aspeed,fmc-has-dma"
>   mtd: spi-nor: aspeed: use fast read when doing DMAs
>
> Milton Miller (5):
>   mtd: spi-nor: support for Aspeed AST2500 SoC
>   mtd: spi-nor: aspeed: Manage the segment address registers
>   mtd: spi-nor: Add Micronix mx66l1g45g spi flash
>   ARM: dts: aspeed-g5: update for new spi-nor binding
>   ARM: dts: aspeed-g5: update witherspoon for new spi-nor binding
>
>  .../devicetree/bindings/mtd/aspeed-smc.txt         |  32 +-
>  arch/arm/boot/dts/aspeed-ast2500-evb.dts           |  28 +-
>  arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts      |   2 +
>  arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts   |  28 +-
>  arch/arm/boot/dts/aspeed-g5.dtsi                   |  65 +++
>  drivers/mtd/spi-nor/aspeed-smc.c                   | 449 +++++++++++++++++----
>  drivers/mtd/spi-nor/spi-nor.c                      |   1 +
>  7 files changed, 499 insertions(+), 106 deletions(-)
>
> --
> 2.7.4
>