linux-kernel - Re: [PATCH v1 1/1] spi: Remove unneeded parentheses in spi_map

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Date:   Mon, 21 Jun 2021 11:39:23 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 1/1] spi: Remove unneeded parentheses in spi_map_buf()

On Sat, Jun 19, 2021 at 02:15:26PM +0300, Andy Shevchenko wrote:
> The boolean expression to get kmap_buf is hard to read due to
> too many unneeded parentheses. Remove them for good.

> -	const bool kmap_buf = ((unsigned long)buf >= PKMAP_BASE &&
> -				(unsigned long)buf < (PKMAP_BASE +
> -					(LAST_PKMAP * PAGE_SIZE)));
> +	const bool kmap_buf = (unsigned long)buf >= PKMAP_BASE &&
> +			      (unsigned long)buf < (PKMAP_BASE + LAST_PKMAP * PAGE_SIZE);

No, I think this makes things worse - to the extent there's an issue
here it's not excessive brackets.

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