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Fri, 20 Jun 2025 15:21:25 -0700 (PDT) Received: from [127.0.1.1] ([2600:8803:e7e4:1d00:c4bf:cf27:203c:f8b0]) by smtp.gmail.com with ESMTPSA id 586e51a60fabf-2ef481fe06esm7561fac.35.2025.06.20.15.21.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 20 Jun 2025 15:21:23 -0700 (PDT) From: David Lechner Date: Fri, 20 Jun 2025 17:20:08 -0500 Subject: [PATCH 2/9] iio: adc: ad_sigma_delta: use u8 instead of uint8_t Precedence: bulk X-Mailing-List: linux-iio@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20250620-iio-adc-ad7173-add-spi-offload-support-v1-2-0766f6297430@baylibre.com> References: <20250620-iio-adc-ad7173-add-spi-offload-support-v1-0-0766f6297430@baylibre.com> In-Reply-To: <20250620-iio-adc-ad7173-add-spi-offload-support-v1-0-0766f6297430@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; 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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. Signed-off-by: David Lechner --- drivers/iio/adc/ad_sigma_delta.c | 15 ++++++++------- include/linux/iio/adc/ad_sigma_delta.h | 10 +++++----- 2 files changed, 13 insertions(+), 12 deletions(-) diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c index 6cd3645eaaf38a23d5b6479ac598b6d276cfd81a..1657f64f1c0465b249adcc8a70dda8faf4a90565 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 #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 = sigma_delta->tx_buf; + u8 *data = sigma_delta->tx_buf; struct spi_transfer t = { .tx_buf = data, .len = 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"); 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 = sigma_delta->tx_buf; + u8 *data = sigma_delta->tx_buf; int ret; struct spi_transfer t[] = { { @@ -185,7 +186,7 @@ EXPORT_SYMBOL_NS_GPL(ad_sd_read_reg, "IIO_AD_SIGMA_DELTA"); int ad_sd_reset(struct ad_sigma_delta *sigma_delta) { unsigned int reset_length = sigma_delta->info->num_resetclks; - uint8_t *buf; + u8 *buf; unsigned int size; int ret; @@ -454,7 +455,7 @@ static int ad_sd_buffer_postenable(struct iio_dev *indio_dev) struct ad_sigma_delta *sigma_delta = 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; if (sigma_delta->num_slots == 1) { @@ -543,7 +544,7 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p) struct iio_poll_func *pf = p; struct iio_dev *indio_dev = pf->indio_dev; struct ad_sigma_delta *sigma_delta = iio_device_get_drvdata(indio_dev); - uint8_t *data = sigma_delta->rx_buf; + u8 *data = 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..5056677c9941afadc2383febbcafeb02e23a4f44 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; - uint8_t comm; + u8 comm; 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; /* * 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); }; 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(struct ad_sigma_delta *sd, return 0; } -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, -- 2.43.0