linux-kernel - Re: [PATCH 2/2] staging: slicoss: replace UPDATE_STATS

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Message-ID: <fce3814c-6516-f5cb-5adf-84f4af2c89bf@mailbox.org>
Date:   Wed, 23 Nov 2016 20:00:45 +0100
From:   Markus Böhme <markus.boehme@...lbox.org>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>,
        gregkh@...uxfoundation.org
Cc:     devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        liodot@...il.com
Subject: Re: [PATCH 2/2] staging: slicoss: replace UPDATE_STATS_GB macro into
 an inline function

On 11/23/2016 07:10 PM, Sergio Paracuellos wrote:
> This patch replaces UPDATE_STATS_GB macro in slic.h header file
> into an inline function. This provides type safety and readability.
> 
> Signed-off-by: Sergio Paracuellos <sergio.paracuellos@...il.com>
> ---
>  drivers/staging/slicoss/slic.h    |  6 ++---
>  drivers/staging/slicoss/slicoss.c | 56 ++++++++++++++++++++-------------------
>  2 files changed, 32 insertions(+), 30 deletions(-)
> 
> diff --git a/drivers/staging/slicoss/slic.h b/drivers/staging/slicoss/slic.h
> index 2c05868..b19ddc9 100644
> --- a/drivers/staging/slicoss/slic.h
> +++ b/drivers/staging/slicoss/slic.h
> @@ -548,9 +548,9 @@ static inline void slic_flush_write(struct adapter *adapter)
>  	ioread32(adapter->regs + SLIC_REG_HOSTID);
>  }
>  
> -#define UPDATE_STATS_GB(largestat, newstat, oldstat)                     \
> -{                                                                        \
> -	(largestat) += ((newstat) - (oldstat));                          \
> +static inline u64 update_stats_gb(const u64 newstat, const u64 oldstat)
> +{
> +	return (newstat - oldstat);
>  }
>  

I suggest dropping the parentheses here. They are unnecessary and likely
to lead to a cleanup patch.

Regards,
Markus