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[2001:14ba:7426:df00::2]) by smtp.gmail.com with ESMTPSA id bp25-20020a056512159900b0051148f220ccsm792114lfb.285.2024.02.18.23.22.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 18 Feb 2024 23:22:25 -0800 (PST) Message-ID: Date: Mon, 19 Feb 2024 09:22:24 +0200 Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [RESEND PATCH v2] iio: gts-helper: Fix division loop Content-Language: en-US, en-GB To: Subhajit Ghosh , Jonathan Cameron Cc: Matti Vaittinen , Lars-Peter Clausen , linux-kernel@vger.kernel.org, David Laight , linux-iio@vger.kernel.org References: <20240216135812.07c9b769@jic23-huawei> <20240217162724.767f2ab6@jic23-huawei> <65582213-1091-4877-ae83-c9450a3610fa@tweaklogic.com> From: Matti Vaittinen In-Reply-To: <65582213-1091-4877-ae83-c9450a3610fa@tweaklogic.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit 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 wrote: >> >>> On 17/2/24 00:28, Jonathan Cameron wrote: >>>> On Mon, 12 Feb 2024 13:20:09 +0200 >>>> Matti Vaittinen 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 >>>>> 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 Thank you Subhajit! Your effort is _very much_ appreciated! :) Yours, -- Matti -- Matti Vaittinen Linux kernel developer at ROHM Semiconductors Oulu Finland ~~ When things go utterly wrong vim users can always type :help! ~~