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Date:   Wed, 5 Jan 2022 08:24:09 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <boris.brezillon@...labora.com>, <a-nandan@...com>
CC:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <broonie@...nel.org>, <patrice.chotard@...s.st.com>,
        <christophe.kerello@...s.st.com>, <daniel@...f.com>,
        <alobakin@...me>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <p.yadav@...com>
Subject: Re: [PATCH v3 01/17] spi: spi-mem: Add DTR templates for cmd,
 address, dummy and data phase

On 1/4/22 5:31 PM, Boris Brezillon wrote:
> -#define SPI_MEM_OP_DATA_IN(__nbytes, __buf, __buswidth)                \
> +#define SPI_MEM_OP_DATA_IN(__nbytes, __buf, __buswidth, ...)   \
>         {                                                       \
>                 .dir = SPI_MEM_DATA_IN,                         \
>                 .nbytes = __nbytes,                             \
>                 .buf.in = __buf,                                \
>                 .buswidth = __buswidth,                         \
> +               __VA_ARGS__                                     \
>         }
> 
> -#define SPI_MEM_OP_DATA_OUT(__nbytes, __buf, __buswidth)       \
> +#define SPI_MEM_OP_DATA_OUT(__nbytes, __buf, __buswidth, ...)  \
>         {                                                       \
>                 .dir = SPI_MEM_DATA_OUT,                        \
>                 .nbytes = __nbytes,                             \
>                 .buf.out = __buf,                               \
>                 .buswidth = __buswidth,                         \
> +               __VA_ARGS__                                   

I like it too. This also comes in handy when we'll have to differentiate
between register and memory accesses.

Cheers,
ta

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