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From: Ralf Baechle <ralf@linux-mips.org>
To: Sebastien Decourriere <sebtx452@gmail.com>
Cc: linux-mtd@lists.infradead.org, linux-mips@linux-mips.org
Subject: Re: [PATCH] mtd: maps: lantiq-flash: Check if the EBU endianness swap is enabled
Date: Tue, 24 Jan 2017 18:03:05 +0100	[thread overview]
Message-ID: <20170124170305.GA26937@linux-mips.org> (raw)
In-Reply-To: <1484904834-14980-1-git-send-email-sebtx452@gmail.com>

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

  reply	other threads:[~2017-01-24 17:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-01-20  9:33 Sebastien Decourriere
2017-01-24 17:03 ` Ralf Baechle [this message]
2017-01-24 21:32 ` Hauke Mehrtens
2017-01-25  9:04   ` Seb
2017-01-25 16:58     ` Langer, Thomas
2017-01-26 11:02       ` Seb
2017-01-26 16:01         ` Langer, Thomas
  -- strict thread matches above, loose matches on Subject: below --
2017-01-19 10:06 Sebastien Decourriere
2017-01-19 23:50 ` Langer, Thomas
2017-01-18 12:10 Sebastien Decourriere
2017-01-18 12:38 ` John Crispin
2017-01-18 13:48   ` Seb
2017-01-18 13:51     ` John Crispin
2017-01-18 17:12       ` Seb

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