linux-kernel - Re: [PATCH] dspi: config dspi master regmap with right mode depend on BE or LE

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Date:	Wed, 13 Apr 2016 15:06:57 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Po Liu <po.liu@....com>
Cc:	linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] dspi: config dspi master regmap with right mode depend
 on BE or LE

On Wed, Apr 13, 2016 at 07:03:22PM +0800, Po Liu wrote:
> When kernel config with big endian mode, spi master need
> to config regmap data value to be little endian mode. Or else,
> the kernel boot will hang.

> +#ifdef CONFIG_CPU_BIG_ENDIAN
> +	.val_format_endian = REGMAP_ENDIAN_LITTLE,
> +#endif

This should be unconditionally set to native endian if the IP changes
endianness along with the CPU.

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