linux-kernel - Re: [PATCH v3 4/9] bus: fsl-mc: dpio: add frame descriptor and scatter/gather APIs

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Message-ID: <5846948E.10203@nxp.com>
Date:   Tue, 6 Dec 2016 10:35:59 +0000
From:   Laurentiu Tudor <laurentiu.tudor@....com>
To:     Dan Carpenter <dan.carpenter@...cle.com>
CC:     Stuart Yoder <stuart.yoder@....com>,
        "gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
        "devel@...verdev.osuosl.org" <devel@...verdev.osuosl.org>,
        "agraf@...e.de" <agraf@...e.de>,
        "Ruxandra Ioana Radulescu" <ruxandra.radulescu@....com>,
        "arnd@...db.de" <arnd@...db.de>, Roy Pledge <roy.pledge@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Leo Li <leoyang.li@....com>,
        Catalin Horghidan <catalin.horghidan@....com>,
        "Ioana Ciornei" <ioana.ciornei@....com>
Subject: Re: [PATCH v3 4/9] bus: fsl-mc: dpio: add frame descriptor and
 scatter/gather APIs

On 12/05/2016 10:52 PM, Dan Carpenter wrote:
> On Fri, Dec 02, 2016 at 12:12:14PM +0000, Laurentiu Tudor wrote:
>>> +static inline bool dpaa2_sg_is_final(const struct dpaa2_sg_entry *sg)
>>> +{
>>> +	return !!(le16_to_cpu(sg->format_offset) >> SG_FINAL_FLAG_SHIFT);
>>
>> In other places in this file we don't use the '!!' to convert to bool. Maybe we should drop it here too.
> 
> I like the explicit "!!".  I think it makes the code more obvious since
> all the information is on one line.
> 

That's fine too, as long as we're doing it consistently in all the places.

---
Best Regards, Laurentiu