On Thu, Aug 04, 2016 at 03:58:33PM -0700, York Sun wrote:
> Get endianness from device tree. Both big endian and little endian
> are supported. Default to big endian for backward compatibility to
> MPC85xx.
>
> Signed-off-by: York Sun <york.sun@xxxxxxx>
>
> ---
> Change log
> v3: no change
> v2: Separated from "Add support for ARM-based SoCs" patch
>
> .../fsl/ddr.txt} | 6 ++
> drivers/edac/fsl_ddr_edac.c | 83 ++++++++++++++--------
> 2 files changed, 58 insertions(+), 31 deletions(-)
> rename Documentation/devicetree/bindings/{powerpc/fsl/mem-ctrlr.txt => memory-controllers/fsl/ddr.txt} (74%)
>
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/mem-ctrlr.txt b/Documentation/devicetree/bindings/memory-controllers/fsl/ddr.txt
> similarity index 74%
> rename from Documentation/devicetree/bindings/powerpc/fsl/mem-ctrlr.txt
> rename to Documentation/devicetree/bindings/memory-controllers/fsl/ddr.txt
> index f87856f..62623f9 100644
> --- a/Documentation/devicetree/bindings/powerpc/fsl/mem-ctrlr.txt
> +++ b/Documentation/devicetree/bindings/memory-controllers/fsl/ddr.txt
> @@ -7,6 +7,10 @@ Properties:
> "fsl,qoriq-memory-controller".
> - reg : Address and size of DDR controller registers
> - interrupts : Error interrupt of DDR controller
> +- little-endian : Specifies little-endian access to registers
> +- big-endian : Specifies big-endian access to registers
> +
> +If both little-endian and big-endian are omitted, big-endian will be used.
The binding looks fine.
> @@ -470,6 +483,13 @@ int fsl_ddr_mc_err_probe(struct platform_device *op)
> mci->ctl_name = pdata->name;
> mci->dev_name = pdata->name;
>
> + if (of_find_property(op->dev.of_node, "little-endian", NULL))
Use: if (of_property_read_bool(dev.of_node, "little-endian"))
> + little_endian = true;
> + else if (of_find_property(op->dev.of_node, "big-endian", NULL))
Use: else if (of_property_read_bool(dev.of_node, "big-endian"))
> + little_endian = false;
> + else
> + little_endian = false;
> +
With those fixed up:
Acked-by: Mark Rutland <mark.rutland@xxxxxxx>
Thanks,
Mark.
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