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([2600:8803:e7e4:500:4c09:7c6b:bc48:f2f7]) by smtp.gmail.com with ESMTPSA id 006d021491bc7-679f2d9e8d6sm9514599eaf.13.2026.03.02.13.58.33 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Mar 2026 13:58:34 -0800 (PST) Message-ID: Date: Mon, 2 Mar 2026 15:58:33 -0600 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/4] iio: buffer: cache largest scan element size To: Jonathan Cameron Cc: Jiri Kosina , Srinivas Pandruvada , =?UTF-8?Q?Nuno_S=C3=A1?= , Andy Shevchenko , =?UTF-8?Q?Lars_M=C3=B6llendorf?= , Lars-Peter Clausen , Greg Kroah-Hartman , Jonathan Cameron , Lixu Zhang , linux-input@vger.kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260301-iio-fix-timestamp-alignment-v1-0-1a54980bfb90@baylibre.com> <20260301-iio-fix-timestamp-alignment-v1-3-1a54980bfb90@baylibre.com> <20260302204755.462d6b63@jic23-huawei> Content-Language: en-US From: David Lechner In-Reply-To: <20260302204755.462d6b63@jic23-huawei> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 3/2/26 2:47 PM, Jonathan Cameron wrote: > On Sun, 01 Mar 2026 14:24:52 -0600 > David Lechner wrote: > >> Cache the largest scan element size of elements enabled in a scan >> buffer. This will be used later to ensure proper alignment of the >> timestamp element in the scan buffer. > Why can't we just stash the start of the timestamp? This is exactly what Nuno suggested. ;-)