linux-kernel - Re: [PATCH 06/41] mtd: spi-nor: default page

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Message-ID: <20230807163340.1ebe1e15@xps-13>
Date:   Mon, 7 Aug 2023 16:33:40 +0200
From:   Miquel Raynal <miquel.raynal@...tlin.com>
To:     Michael Walle <michael@...le.cc>
Cc:     Michael Walle <mwalle@...nel.org>,
        Tudor Ambarus <tudor.ambarus@...aro.org>,
        Pratyush Yadav <pratyush@...nel.org>,
        Richard Weinberger <richard@....at>,
        Vignesh Raghavendra <vigneshr@...com>,
        linux-kernel@...r.kernel.org, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 06/41] mtd: spi-nor: default page_size to 256 bytes

Hi Michael,

michael@...le.cc wrote on Mon, 07 Aug 2023 16:29:38 +0200:

> Hi Miquel,
> 
> >> +	params->page_size = info->page_size ?: SPI_NOR_DEFAULT_PAGE_SIZE;  
> > 
> > Would you mind clarifying this? It does not look right, while
> > perhaps it is. But TBH, I have no idea what params->page_size will be
> > after this assignment.  
> 
> It's info->page_size, it's a shortcut [1].

Elvis operator :')

> I'm not the first one using it (in fact I was explicitly asked to use it,
> e.g. in gpio subsys):
> 
> $ grep -r "?:" **/*.c |wc -l
> 1268

Okay then... I didn't know this was encouraged.

> -michael
> 
> [1] https://en.wikipedia.org/wiki/Elvis_operator

Thanks,
Miquèl