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From: Boris Brezillon <boris.brezillon@bootlin.com>
To: Ashish Kumar <ashish.kumar@nxp.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>,
	"boris.brezillon@free-electrons.com"
	<boris.brezillon@free-electrons.com>
Subject: Re: Query| USE of MTD_CFI_ADV_OPTIONS for SPI-NOR/serial-NOR flash for BE-kernel on arm64
Date: Tue, 4 Sep 2018 14:38:01 +0200	[thread overview]
Message-ID: <20180904143801.36297bb6@bbrezillon> (raw)
In-Reply-To: <VI1PR04MB4015390D61A2AA4F289CE15D95030@VI1PR04MB4015.eurprd04.prod.outlook.com>

Hi Ashish,

On Tue, 4 Sep 2018 11:21:11 +0000
Ashish Kumar <ashish.kumar@nxp.com> wrote:

> Hi all,
> 
> I may sound very naïve, but I do not have other options to look for.
> What I was trying to achieve was "running BE-kernel on arm64, with the SPI-NOR controller(fsl_qspi) configured for AHB and IP buffer in BE mode. It works to an extent but not all is working correctly.

Could you detail what is working and what is not?

> 
> I was grep-ing through /driver/mtd/ and include/linux/mtd to look for these advance option(MTD_CFI_ADV_OPTIONS) to be used for SPI-NOR interface, is there a way this(MTD_CFI_BE_BYTE_SWAP) can be achieved for SPI-NOR flash?
> 
> Is anyone working on this, or similar thing?

That's not the proper fix. If you want you driver to work in
big-endian, fix the driver.

Regards,

Boris

       reply	other threads:[~2018-09-04 12:38 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <VI1PR04MB4015390D61A2AA4F289CE15D95030@VI1PR04MB4015.eurprd04.prod.outlook.com>
2018-09-04 12:38 ` Boris Brezillon [this message]
2018-09-04 11:23 Query| USE of MTD_CFI_ADV_OPTIONS for SPI-NOR/serial-NOR flash for BE-kernel on arm64 Ashish Kumar

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