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Wed, 13 Aug 2025 09:54:49 -0700 (PDT) Received: from [127.0.1.1] ([185.177.137.147]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-af91a1e82a5sm2428573766b.82.2025.08.13.09.54.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 13 Aug 2025 09:54:48 -0700 (PDT) From: Yusuf Alper Bilgin Date: Wed, 13 Aug 2025 18:54:32 +0200 Subject: [PATCH v2 4/4] iio: adc: ltc2497: reorder ltc2497core_driverdata members to remove hole Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250813-ltc2495-v2-4-bbaf20f6ba07@gmail.com> References: <20250813-ltc2495-v2-0-bbaf20f6ba07@gmail.com> In-Reply-To: <20250813-ltc2495-v2-0-bbaf20f6ba07@gmail.com> To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Liam Beguin Cc: Michael Hennerich , linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yusuf Alper Bilgin X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1755104084; l=1105; i=y.alperbilgin@gmail.com; s=20250811; h=from:subject:message-id; bh=CZw4GixnfHPXRK/UfOutcE7yqF1wjDJYoGAF9qyUGZQ=; b=C3vf+mOXfNf6r4q+oZtOpNnT6SL77d7lBwRiTccFjbBReSQcg9wS5dKzlwbjhpUdEEvVTYg8+ 9Qe0j3ESwKnBA3JHUZmBDkqOG9Mx1uHyLLedSRN6DB+VOPtJ/XgtRkL X-Developer-Key: i=y.alperbilgin@gmail.com; a=ed25519; pk=FtW2oyQ0+xlYU0XmhYiJYC3lNPtPrgeE6i4WXPwaFnY= Reorder struct members from largest to smallest to eliminate a 7-byte hole identified by the pahole tool, making the layout memory-optimal. Signed-off-by: Yusuf Alper Bilgin --- drivers/iio/adc/ltc2497.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/iio/adc/ltc2497.h b/drivers/iio/adc/ltc2497.h index 7f53bf8b8469d2371bb7ae64ce90a61beadba9ba..578f55efc5c400980fe8bbd2b22= 0aafb222d6f33 100644 --- a/drivers/iio/adc/ltc2497.h +++ b/drivers/iio/adc/ltc2497.h @@ -27,12 +27,12 @@ struct ltc2497_chip_info { struct ltc2497core_driverdata { struct regulator *ref; ktime_t time_prev; - /* lock to protect against multiple access to the device */ - struct mutex lock; const struct ltc2497_chip_info *chip_info; - u8 addr_prev; int (*result_and_measure)(struct ltc2497core_driverdata *ddata, u8 address, int *val); + /* lock to protect against multiple access to the device */ + struct mutex lock; + u8 addr_prev; }; =20 int ltc2497core_probe(struct device *dev, struct iio_dev *indio_dev); --=20 2.43.0