linux-kernel - Re: [PATCH v3 10/32] mtd: spi-nor: Pointer parameter for CR in spi_nor_read

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Message-ID: <339365a9-fa0d-ae9c-c047-c9f6a1a553a2@microchip.com>
Date:   Sat, 2 Nov 2019 10:45:51 +0000
From:   <Tudor.Ambarus@...rochip.com>
To:     <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <boris.brezillon@...labora.com>
CC:     <linux-mtd@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 10/32] mtd: spi-nor: Pointer parameter for CR in
 spi_nor_read_cr()



On 10/29/2019 01:17 PM, Tudor Ambarus - M18064 wrote:
> From: Tudor Ambarus <tudor.ambarus@...rochip.com>
> 
> Let the callers pass the pointer to the DMA-able buffer where
> the value of the Configuration Register will be written. This way we
> avoid the casts between int and u8, which can be confusing.
> 
> Callers stop compare the return value of spi_nor_read_cr() with negative,
> spi_nor_read_cr() returns 0 on success and -errno otherwise.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 55 +++++++++++++++++++++++--------------------
>  1 file changed, 30 insertions(+), 25 deletions(-)

Replaced &nor->bouncebuf[0] with nor->bouncebuf and applied to spi-nor/next. Thanks.