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Mon, 15 Dec 2025 16:18:10 -0800 (PST) Received: from localhost ([2601:346:0:79bd:6b0:1f10:bc87:9bd7]) by smtp.gmail.com with ESMTPSA id 00721157ae682-78e748cf8b7sm33659807b3.3.2025.12.15.16.18.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 15 Dec 2025 16:18:10 -0800 (PST) From: "Yury Norov (NVIDIA)" To: Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org Cc: "Yury Norov (NVIDIA)" Subject: [PATCH] iio: adc: ad7606_spi: use bitmap_full() in ad7606_spi_update_scan_mode() Date: Mon, 15 Dec 2025 19:18:06 -0500 Message-ID: <20251216001808.333053-1-yury.norov@gmail.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" bitmap_empty() is more verbose and efficient, as it stops traversing scan_mask as soon as the 1st set bit found. Signed-off-by: Yury Norov (NVIDIA) Reviewed-by: David Lechner --- drivers/iio/adc/ad7606_spi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index f28e4ca37707..7e17ccbcedd0 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -345,7 +345,7 @@ static int ad7606_spi_update_scan_mode(struct iio_dev *= indio_dev, * has no way of demuxing the data to filter out unwanted * channels. */ - if (bitmap_weight(scan_mask, num_adc_ch) !=3D num_adc_ch) + if (!bitmap_full(scan_mask, num_adc_ch)) return -EINVAL; } =20 --=20 2.43.0