linux-kernel - Re: [PATCH v3 08/32] mtd: spi-nor: Pointer parameter for SR in spi_nor_read

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Date:   Sat, 2 Nov 2019 10:42:29 +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 08/32] mtd: spi-nor: Pointer parameter for SR in
 spi_nor_read_sr()



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 Status 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_sr() with negative,
> spi_nor_read_sr() returns 0 on success and -errno otherwise.
> 
> Signed-off-by: Tudor Ambarus <tudor.ambarus@...rochip.com>
> ---
>  drivers/mtd/spi-nor/spi-nor.c | 117 +++++++++++++++++++++++-------------------
>  1 file changed, 64 insertions(+), 53 deletions(-)

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