Re: [PATCH] mtd: maps: lantiq-flash: Check if the EBU endianness swap is enabled

[Ralf Baechle <ralf@linux-mips.org>]

On Fri, Jan 20, 2017 at 10:33:54AM +0100, Sebastien Decourriere wrote:

> The purpose of this patch is to enable the software address endianness
> swapping only when the in SoC EBU endianness swapping is disabled.
> To perform this check, I look at Bit 30 of the EBU_CON_0 register.
> Actually, the driver expects that the in SoC swapping is disabled.
> This is the case with current bootloaders shuch as U-boot.
> 
> This applies only to vr9 (xrx200) rev 1.2 and ar10 (xrx300).
> 
> I have a router which uses a proprietary bootloader which keeps
> the in SoC swapping enabled. The SoC in this router is a vrx200 v1.2.
> In this SoC version, I can keep the in SoC swapping without any problem.
> 
> This patch replaces my previous broken patch.
> 
> Signed-off-by: Sebastien Decourriere <sebtx452@gmail.com>
>  .../mips/include/asm/mach-lantiq/xway/lantiq_soc.h |  1 +
>  drivers/mtd/maps/lantiq-flash.c                    | 29 +++++++++++++++++++---

Acked-by: Ralf Baechle <ralf@linux-mips.org>

for the trivial MIPS bit.

  Ralf