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Message-ID: <d63ae19c-9316-3a4c-e9ed-1672ace068b6@ti.com>
Date: Mon, 13 May 2024 18:34:19 +0530
From: Devarsh Thakkar <devarsht@...com>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
CC: Jani Nikula <jani.nikula@...el.com>, <mchehab@...nel.org>,
        <hverkuil-cisco@...all.nl>, <linux-media@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <benjamin.gaignard@...labora.com>,
        <sebastian.fricke@...labora.com>, <akpm@...ux-foundation.org>,
        <gregkh@...uxfoundation.org>, <adobriyan@...il.com>,
        <p.zabel@...gutronix.de>, <airlied@...il.com>, <daniel@...ll.ch>,
        <dri-devel@...ts.freedesktop.org>, <laurent.pinchart@...asonboard.com>,
        <praneeth@...com>, <nm@...com>, <vigneshr@...com>, <a-bhatia1@...com>,
        <j-luthra@...com>, <b-brnich@...com>, <detheridge@...com>,
        <p-mantena@...com>, <vijayp@...com>, <andrzej.p@...labora.com>,
        <nicolas@...fresne.ca>
Subject: Re: [PATCH v7 6/8] math.h Add macros to round to closest specified
 power of 2

Hi Andy,

On 13/05/24 17:55, Andy Shevchenko wrote:
> On Mon, May 13, 2024 at 04:55:58PM +0530, Devarsh Thakkar wrote:
>> On 13/05/24 14:29, Andy Shevchenko wrote:
>>> On Sat, May 11, 2024 at 11:11:14PM +0530, Devarsh Thakkar wrote:
>>>> On 10/05/24 20:45, Jani Nikula wrote:
> 
> [...]
> - align naming (with the existing round*() macros)

I think round_closest_up/round_closest_down align already and inspired by the
existing naming convention used for round*() and DIV_ROUND_CLOSEST() macros in
math.h as explained below (copied from my previous reply [1])

"Coming back to naming, this is as per existing convention used for naming
round_up, round_down (notice the `_` being used for macros working with pow of
2) and DIV_ROUND_CLOSEST (notice the work `closest` used to specify the answer
 to be nearest to specified value)"

But do let me know if you have any other suggestions for naming?

> - add examples into commit message of the math.h patch

Agreed
> - add test cases (you need to create lib/math_kunit.c for that)
Agreed.
> - elaborate in the commit message of the IPU3 change what you posted above
>   (some kind of a summary)
Agreed.


[1]: https://lore.kernel.org/all/ZkIG0-01pz632l4R@smile.fi.intel.com/

Regards
Devarsh

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