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Fri, 27 Jun 2025 16:41:27 -0700 (PDT) From: David Lechner Date: Fri, 27 Jun 2025 18:39:59 -0500 Subject: [PATCH v2 03/11] iio: adc: ad_sigma_delta: use u8 instead of uint8_t 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: <20250627-iio-adc-ad7173-add-spi-offload-support-v2-3-f49c55599113@baylibre.com> References: <20250627-iio-adc-ad7173-add-spi-offload-support-v2-0-f49c55599113@baylibre.com> In-Reply-To: <20250627-iio-adc-ad7173-add-spi-offload-support-v2-0-f49c55599113@baylibre.com> To: Michael Hennerich , Jonathan Cameron , =?utf-8?q?Nuno_S=C3=A1?= , Andy Shevchenko , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Mark Brown Cc: linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-spi@vger.kernel.org, David Lechner X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=5301; i=dlechner@baylibre.com; h=from:subject:message-id; bh=FtjSefgJ38MUOtssdwwTVZxqFU2P60mzs7S3a2VVXcU=; b=owEBbQGS/pANAwAKAcLMIAH/AY/AAcsmYgBoXyvnjgL+AcWVVuCuh0G2vwDavgU50pexnV6KF JP4pRWUeReJATMEAAEKAB0WIQTsGNmeYg6D1pzYaJjCzCAB/wGPwAUCaF8r5wAKCRDCzCAB/wGP wBOWCACITc4y7+7dT+N6nLT0/YeUisIgoQNW7rs52NvZS9TlWHaxl/isKmF6pdjeEP7uCPvaVM4 yJlR14Kr31ezOc/vAdLWOFfiqO8kJ0f0x5mplsLsKGNF8sGBihExprPNChFem46W60vngDMX6h7 PmULjDuX+o89cz+WOONAEvJkFs19uIjMCsRy4utgGPhtD+J3m8OCNVwNqo53so6EcJTle2jG8sQ 68hxZUaTkcj8Ut8zIPWPzk0Yi0/R84mn+CNo/kbWKNah5Gdggn5TTeCrjikSYfbF73MZYPY0KDm 2BmlwPhS8v/WIRnFMPhyEqWG8xgp2FNW7BjZV2OzXTffM2cF X-Developer-Key: i=dlechner@baylibre.com; a=openpgp; fpr=8A73D82A6A1F509907F373881F8AF88C82F77C03 Replace uint8_t with u8 in the ad_sigma_delta driver. Technically, uint8_t comes from the C standard library, while u8 is a Linux kernel type. Since we don't use the C standard library in the kernel, we should use the kernel types instead. There is also one instance where int64_t is replaced with s64. Signed-off-by: David Lechner --- drivers/iio/adc/ad_sigma_delta.c | 17 +++++++++-------- include/linux/iio/adc/ad_sigma_delta.h | 10 +++++----- 2 files changed, 14 insertions(+), 13 deletions(-) diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_de= lta.c index 5cdd73160c6d6d4d9308eaa3a5aec14529475676..5362157966d89cbf0e602716aaa= f0b78f3921b11 100644 --- a/drivers/iio/adc/ad_sigma_delta.c +++ b/drivers/iio/adc/ad_sigma_delta.c @@ -14,6 +14,7 @@ #include #include #include +#include #include =20 #include @@ -38,7 +39,7 @@ * @sigma_delta: The sigma delta device * @comm: New value for the communications register */ -void ad_sd_set_comm(struct ad_sigma_delta *sigma_delta, uint8_t comm) +void ad_sd_set_comm(struct ad_sigma_delta *sigma_delta, u8 comm) { /* Some variants use the lower two bits of the communications register * to select the channel */ @@ -59,7 +60,7 @@ EXPORT_SYMBOL_NS_GPL(ad_sd_set_comm, "IIO_AD_SIGMA_DELTA"= ); int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg, unsigned int size, unsigned int val) { - uint8_t *data =3D sigma_delta->tx_buf; + u8 *data =3D sigma_delta->tx_buf; struct spi_transfer t =3D { .tx_buf =3D data, .len =3D size + 1, @@ -99,9 +100,9 @@ int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, = unsigned int reg, EXPORT_SYMBOL_NS_GPL(ad_sd_write_reg, "IIO_AD_SIGMA_DELTA"); =20 static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta, - unsigned int reg, unsigned int size, uint8_t *val) + unsigned int reg, unsigned int size, u8 *val) { - uint8_t *data =3D sigma_delta->tx_buf; + u8 *data =3D sigma_delta->tx_buf; int ret; struct spi_transfer t[] =3D { { @@ -185,8 +186,8 @@ EXPORT_SYMBOL_NS_GPL(ad_sd_read_reg, "IIO_AD_SIGMA_DELT= A"); int ad_sd_reset(struct ad_sigma_delta *sigma_delta) { unsigned int reset_length =3D sigma_delta->info->num_resetclks; - uint8_t *buf; unsigned int size; + u8 *buf; int ret; =20 size =3D DIV_ROUND_UP(reset_length, 8); @@ -454,7 +455,7 @@ static int ad_sd_buffer_postenable(struct iio_dev *indi= o_dev) struct ad_sigma_delta *sigma_delta =3D iio_device_get_drvdata(indio_dev); unsigned int i, slot, samples_buf_size; unsigned int channel; - uint8_t *samples_buf; + u8 *samples_buf; int ret; =20 if (sigma_delta->num_slots =3D=3D 1) { @@ -488,7 +489,7 @@ static int ad_sd_buffer_postenable(struct iio_dev *indi= o_dev) } =20 samples_buf_size =3D ALIGN(slot * indio_dev->channels[0].scan_type.storag= ebits / 8, 8); - samples_buf_size +=3D sizeof(int64_t); + samples_buf_size +=3D sizeof(s64); samples_buf =3D devm_krealloc(&sigma_delta->spi->dev, sigma_delta->sample= s_buf, samples_buf_size, GFP_KERNEL); if (!samples_buf) @@ -543,7 +544,7 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void = *p) struct iio_poll_func *pf =3D p; struct iio_dev *indio_dev =3D pf->indio_dev; struct ad_sigma_delta *sigma_delta =3D iio_device_get_drvdata(indio_dev); - uint8_t *data =3D sigma_delta->rx_buf; + u8 *data =3D sigma_delta->rx_buf; unsigned int transfer_size; unsigned int sample_size; unsigned int sample_pos; diff --git a/include/linux/iio/adc/ad_sigma_delta.h b/include/linux/iio/adc= /ad_sigma_delta.h index f242b285081b8d304ca25ae95337425e5842269a..5056677c9941afadc2383febbca= feb02e23a4f44 100644 --- a/include/linux/iio/adc/ad_sigma_delta.h +++ b/include/linux/iio/adc/ad_sigma_delta.h @@ -94,7 +94,7 @@ struct ad_sigma_delta { bool bus_locked; bool keep_cs_asserted; =20 - uint8_t comm; + u8 comm; =20 const struct ad_sigma_delta_info *info; unsigned int active_slots; @@ -105,7 +105,7 @@ struct ad_sigma_delta { bool status_appended; /* map slots to channels in order to know what to expect from devices */ unsigned int *slots; - uint8_t *samples_buf; + u8 *samples_buf; =20 /* * DMA (thus cache coherency maintenance) requires the @@ -114,8 +114,8 @@ struct ad_sigma_delta { * 'rx_buf' is up to 32 bits per sample + 64 bit timestamp, * rounded to 16 bytes to take into account padding. */ - uint8_t tx_buf[4] __aligned(IIO_DMA_MINALIGN); - uint8_t rx_buf[16] __aligned(8); + u8 tx_buf[4] __aligned(IIO_DMA_MINALIGN); + u8 rx_buf[16] __aligned(8); }; =20 static inline int ad_sigma_delta_set_channel(struct ad_sigma_delta *sd, @@ -177,7 +177,7 @@ static inline int ad_sigma_delta_postprocess_sample(str= uct ad_sigma_delta *sd, return 0; } =20 -void ad_sd_set_comm(struct ad_sigma_delta *sigma_delta, uint8_t comm); +void ad_sd_set_comm(struct ad_sigma_delta *sigma_delta, u8 comm); int ad_sd_write_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg, unsigned int size, unsigned int val); int ad_sd_read_reg(struct ad_sigma_delta *sigma_delta, unsigned int reg, --=20 2.43.0