linux-kernel - Re: [PATCH 1/2] spi: Add SPI driver for Mikrotik RB4xx series boards

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Date:	Fri, 20 Mar 2015 12:56:27 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Bert Vermeulen <bert@...t.com>
Cc:	ralf@...ux-mips.org, linux-mips@...ux-mips.org,
	linux-kernel@...r.kernel.org, linux-spi@...r.kernel.org
Subject: Re: [PATCH 1/2] spi: Add SPI driver for Mikrotik RB4xx series boards

On Fri, Mar 20, 2015 at 01:16:32PM +0100, Bert Vermeulen wrote:

> index 856d34d..0d55661 100644
> --- a/include/linux/spi/spi.h
> +++ b/include/linux/spi/spi.h
> @@ -616,6 +616,7 @@ struct spi_transfer {
>  	struct sg_table rx_sg;
>  
>  	unsigned	cs_change:1;
> +	unsigned	fast_write:1;
>  	unsigned	tx_nbits:3;
>  	unsigned	rx_nbits:3;
>  #define	SPI_NBITS_SINGLE	0x01 /* 1bit transfer */

One other thing I just noticed: this is extending the core with no
documentation or other comment on what it's supposed to do (there's no
commit message at all).  Any changes to the core should be a separate
patch which makes it clear what the changes are supposed to do.

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