linux-kernel - Re: [PATCH 2/5] lib/test_bitmap.c: Add for_each_set

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Date:   Thu, 4 Feb 2021 14:25:24 +0530
From:   Syed Nayyar Waris <syednwaris@...il.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     "linus.walleij@...aro.org" <linus.walleij@...aro.org>,
        "andriy.shevchenko@...ux.intel.com" 
        <andriy.shevchenko@...ux.intel.com>,
        "vilhelm.gray@...il.com" <vilhelm.gray@...il.com>,
        "michal.simek@...inx.com" <michal.simek@...inx.com>,
        "arnd@...db.de" <arnd@...db.de>,
        "rrichter@...vell.com" <rrichter@...vell.com>,
        "bgolaszewski@...libre.com" <bgolaszewski@...libre.com>,
        "yamada.masahiro@...ionext.com" <yamada.masahiro@...ionext.com>,
        "akpm@...ux-foundation.org" <akpm@...ux-foundation.org>,
        "rui.zhang@...el.com" <rui.zhang@...el.com>,
        "daniel.lezcano@...aro.org" <daniel.lezcano@...aro.org>,
        "amit.kucheria@...durent.com" <amit.kucheria@...durent.com>,
        "linux-arch@...r.kernel.org" <linux-arch@...r.kernel.org>,
        "linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 2/5] lib/test_bitmap.c: Add for_each_set_clump test cases

On Sat, Dec 26, 2020 at 8:15 PM Andy Shevchenko
<andy.shevchenko@...il.com> wrote:
>
>
>
> On Saturday, December 26, 2020, Syed Nayyar Waris <syednwaris@...il.com> wrote:
>>
>> The introduction of the generic for_each_set_clump macro need test
>> cases to verify the implementation. This patch adds test cases for
>> scenarios in which clump sizes are 8 bits, 24 bits, 30 bits and 6 bits.
>> The cases contain situations where clump is getting split at the word
>> boundary and also when zeroes are present in the start and middle of
>> bitmap.
>
>
> You have to split it to a separate test under drivers/gpio, because now it has no sense to be like this.

Hi Andy,

How do I split it into separate test under drivers/gpio ? I have
thought of making a test_clump_bits.c file in drivers/gpio.
But how do I integrate this test file so that tests are executed at
runtime? Similar to tests in lib/test_bitmap.c ?

I believe I need to make changes in config files so that tests in
test_clump_bits.c ( in drivers/gpio ) are executed at runtime. Could
you please provide some steps on how to do that. Thank You !

Regards
Syed Nayyar Waris