From: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
To: Jonathan Cameron <jic23@kernel.org>,
Matti Vaittinen <mazziesaccount@gmail.com>
Cc: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
Lars-Peter Clausen <lars@metafoo.de>,
linux-kernel@vger.kernel.org,
David Laight <David.Laight@aculab.com>,
linux-iio@vger.kernel.org
Subject: Re: [RESEND PATCH v2] iio: gts-helper: Fix division loop
Date: Sat, 24 Feb 2024 10:41:11 +1030 [thread overview]
Message-ID: <e1eb76f4-3bea-4d53-818a-9505713a005c@tweaklogic.com> (raw)
In-Reply-To: <20240219193254.2800e00f@jic23-huawei>
On 20/2/24 06:02, Jonathan Cameron wrote:
> On Mon, 19 Feb 2024 09:22:24 +0200
> Matti Vaittinen <mazziesaccount@gmail.com> wrote:
>
>> On 2/18/24 07:26, Subhajit Ghosh wrote:
>>> On 18/2/24 02:57, Jonathan Cameron wrote:
>>>> On Sun, 18 Feb 2024 01:09:33 +1030
>>>> Subhajit Ghosh <subhajit.ghosh@tweaklogic.com> wrote:
>>>>
>>>>> On 17/2/24 00:28, Jonathan Cameron wrote:
>>>>>> On Mon, 12 Feb 2024 13:20:09 +0200
>>>>>> Matti Vaittinen <mazziesaccount@gmail.com> wrote:
>>>>>>> The loop based 64bit division may run for a long time when dividend
>>>>>>> is a
>>>>>>> lot bigger than the divider. Replace the division loop by the
>>>>>>> div64_u64() which implementation may be significantly faster.
>>>>>>>
>>>>>>> Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
>>>>>>> Fixes: 38416c28e168 ("iio: light: Add gain-time-scale helpers")
>>>>>>>
>>>>>>> ---
>>
>>
>>> As I understand that you have already applied this patch but still,
>>>
>>> Tested-by: Subhajit Ghosh <subhajit.ghosh@tweaklogic.com>
>>
>> Thank you Subhajit! Your effort is _very much_ appreciated! :)
> I had to rebase the tree anyway to squash an unrelated issue, so
> I added the tag whilst doing so.
>
> Thanks,
>
> Jonathan
>
>>
>> Yours,
>> -- Matti
>>
>
You are welcome Matti and thank you Jonathan.
Regards,
Subhajit Ghosh
next prev parent reply other threads:[~2024-02-24 0:11 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-02-12 11:20 [RESEND PATCH v2] iio: gts-helper: Fix division loop Matti Vaittinen
2024-02-16 13:58 ` Jonathan Cameron
2024-02-17 14:39 ` Subhajit Ghosh
2024-02-17 16:27 ` Jonathan Cameron
2024-02-18 5:26 ` Subhajit Ghosh
2024-02-19 7:22 ` Matti Vaittinen
2024-02-19 19:32 ` Jonathan Cameron
2024-02-24 0:11 ` Subhajit Ghosh [this message]
2024-02-19 7:18 ` Matti Vaittinen
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