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Sat, 19 Apr 2025 06:56:44 -0700 (PDT) From: Gabriel Shahrouzi To: gregkh@linuxfoundation.org, jic23@kernel.org, lars@metafoo.de, linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-staging@lists.linux.dev, Michael.Hennerich@analog.com, sonic.zhang@analog.com, vapier@gentoo.org Cc: gshahrouzi@gmail.com, skhan@linuxfoundation.org, linux-kernel-mentees@lists.linux.dev Subject: [PATCH 4/5] staging: iio: adc: ad7816: Use chip_info for device capabilities Date: Sat, 19 Apr 2025 09:56:37 -0400 Message-ID: <20250419135638.810070-5-gshahrouzi@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250419135638.810070-1-gshahrouzi@gmail.com> References: <20250419135638.810070-1-gshahrouzi@gmail.com> 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" Move device-specific capability information, like the presence of a BUSY pin, into the ad7816_chip_info structure. Signed-off-by: Gabriel Shahrouzi --- drivers/staging/iio/adc/ad7816.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7= 816.c index 39310ade770d0..ab7520a8a3da9 100644 --- a/drivers/staging/iio/adc/ad7816.c +++ b/drivers/staging/iio/adc/ad7816.c @@ -44,21 +44,25 @@ struct ad7816_chip_info { const char *name; u8 max_channels; + bool has_busy_pin; }; =20 static const struct ad7816_chip_info ad7816_info_ad7816 =3D { .name =3D "ad7816", .max_channels =3D 0, + .has_busy_pin =3D true, }; =20 static const struct ad7816_chip_info ad7817_info_ad7817 =3D { .name =3D "ad7817", .max_channels =3D 3, + .has_busy_pin =3D true, }; =20 static const struct ad7816_chip_info ad7818_info_ad7818 =3D { .name =3D "ad7818", .max_channels =3D 1, + .has_busy_pin =3D false, }; =20 struct ad7816_state { @@ -98,7 +102,7 @@ static int ad7816_spi_read(struct ad7816_state *chip, u1= 6 *data) gpiod_set_value(chip->convert_pin, 1); } =20 - if (chip->chip_info =3D=3D &ad7816_info_ad7816 || chip->chip_info =3D=3D = &ad7817_info_ad7817) { + if (chip->chip_info->has_busy_pin) { while (gpiod_get_value(chip->busy_pin)) cpu_relax(); } --=20 2.43.0