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Fri, 08 May 2026 06:45:42 -0700 (PDT) Received: from fedora ([149.3.87.76]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4548e4bb87bsm4463735f8f.2.2026.05.08.06.45.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 May 2026 06:45:42 -0700 (PDT) From: Giorgi Tchankvetadze To: antoniu.miclaus@analog.com, lars@metafoo.de, Michael.Hennerich@analog.com, jic23@kernel.org Cc: dlechner@baylibre.com, nuno.sa@analog.com, andy@kernel.org, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Giorgi Tchankvetadze Subject: [PATCH] iio: chemical: scd30: make command lookup table const Date: Fri, 8 May 2026 17:39:17 +0400 Message-ID: <20260508133915.22042-3-giorgitchankvetadze1997@gmail.com> X-Mailer: git-send-email 2.52.0 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" scd30_i2c_cmd_lookup_tbl contains fixed opcodes and is only read by scd30_i2c_command(). Make it const to document that it's immut= able and allow it to be placed in read-only memory. Signed-off-by: Giorgi Tchankvetadze Acked-by: Maxwell Doose Reviewed-by: Stepan Ionichev --- drivers/iio/chemical/scd30_i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/chemical/scd30_i2c.c b/drivers/iio/chemical/scd30_= i2c.c index 436df9c61a71..bf465cc71be7 100644 --- a/drivers/iio/chemical/scd30_i2c.c +++ b/drivers/iio/chemical/scd30_i2c.c @@ -20,7 +20,7 @@ #define SCD30_I2C_MAX_BUF_SIZE 18 #define SCD30_I2C_CRC8_POLYNOMIAL 0x31 =20 -static u16 scd30_i2c_cmd_lookup_tbl[] =3D { +static const u16 scd30_i2c_cmd_lookup_tbl[] =3D { [CMD_START_MEAS] =3D 0x0010, [CMD_STOP_MEAS] =3D 0x0104, [CMD_MEAS_INTERVAL] =3D 0x4600, --=20 2.52.0