From: Miquel Raynal <miquel.raynal@bootlin.com>
To: linux-iio@vger.kernel.org, Jonathan Cameron <jic23@kernel.org>,
Lars-Peter Clausen <lars@metafoo.de>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH 09/10] iio: core: Simplify the registration of kfifo buffers
Date: Wed, 15 Dec 2021 16:13:43 +0100 [thread overview]
Message-ID: <20211215151344.163036-10-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <20211215151344.163036-1-miquel.raynal@bootlin.com>
Among all the users of the kfifo buffers, no one uses the
INDIO_BUFFER_HARDWARE mode. So let's take this as a general rule and
simplify a little bit the internals - overall the documentation - by
eliminating unused specific cases. Use the INDIO_BUFFER_SOFTWARE mode by
default with kfifo buffers, which will basically mimic what all the "non
direct" modes do.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
---
drivers/iio/accel/fxls8962af-core.c | 1 -
drivers/iio/accel/sca3000.c | 1 -
drivers/iio/accel/ssp_accel_sensor.c | 1 -
drivers/iio/adc/ina2xx-adc.c | 1 -
drivers/iio/adc/ti_am335x_adc.c | 4 +---
drivers/iio/buffer/kfifo_buf.c | 12 ++----------
.../common/cros_ec_sensors/cros_ec_sensors_core.c | 3 +--
drivers/iio/common/scmi_sensors/scmi_iio.c | 1 -
drivers/iio/gyro/ssp_gyro_sensor.c | 1 -
drivers/iio/health/max30100.c | 1 -
drivers/iio/health/max30102.c | 1 -
drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c | 1 -
drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c | 1 -
drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c | 1 -
drivers/iio/light/apds9960.c | 1 -
drivers/staging/iio/impedance-analyzer/ad5933.c | 1 -
include/linux/iio/kfifo_buf.h | 5 ++---
17 files changed, 6 insertions(+), 31 deletions(-)
diff --git a/drivers/iio/accel/fxls8962af-core.c b/drivers/iio/accel/fxls8962af-core.c
index 32989d91b982..cf494937a346 100644
--- a/drivers/iio/accel/fxls8962af-core.c
+++ b/drivers/iio/accel/fxls8962af-core.c
@@ -1209,7 +1209,6 @@ int fxls8962af_core_probe(struct device *dev, struct regmap *regmap, int irq)
return ret;
ret = devm_iio_kfifo_buffer_setup(dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&fxls8962af_buffer_ops);
if (ret)
return ret;
diff --git a/drivers/iio/accel/sca3000.c b/drivers/iio/accel/sca3000.c
index c6b75308148a..a65a05f1208b 100644
--- a/drivers/iio/accel/sca3000.c
+++ b/drivers/iio/accel/sca3000.c
@@ -1465,7 +1465,6 @@ static int sca3000_probe(struct spi_device *spi)
indio_dev->modes = INDIO_DIRECT_MODE;
ret = devm_iio_kfifo_buffer_setup(&spi->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&sca3000_ring_setup_ops);
if (ret)
return ret;
diff --git a/drivers/iio/accel/ssp_accel_sensor.c b/drivers/iio/accel/ssp_accel_sensor.c
index 04dcb2b657ee..d20f8d299c11 100644
--- a/drivers/iio/accel/ssp_accel_sensor.c
+++ b/drivers/iio/accel/ssp_accel_sensor.c
@@ -113,7 +113,6 @@ static int ssp_accel_probe(struct platform_device *pdev)
indio_dev->available_scan_masks = ssp_accel_scan_mask;
ret = devm_iio_kfifo_buffer_setup(&pdev->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&ssp_accel_buffer_ops);
if (ret)
return ret;
diff --git a/drivers/iio/adc/ina2xx-adc.c b/drivers/iio/adc/ina2xx-adc.c
index a4b2ff9e0dd5..013d2d586df1 100644
--- a/drivers/iio/adc/ina2xx-adc.c
+++ b/drivers/iio/adc/ina2xx-adc.c
@@ -1030,7 +1030,6 @@ static int ina2xx_probe(struct i2c_client *client,
indio_dev->name = id->name;
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&ina2xx_setup_ops);
if (ret)
return ret;
diff --git a/drivers/iio/adc/ti_am335x_adc.c b/drivers/iio/adc/ti_am335x_adc.c
index dbdc1ef48566..567d43a30955 100644
--- a/drivers/iio/adc/ti_am335x_adc.c
+++ b/drivers/iio/adc/ti_am335x_adc.c
@@ -376,9 +376,7 @@ static int tiadc_iio_buffered_hardware_setup(struct device *dev,
{
int ret;
- ret = devm_iio_kfifo_buffer_setup(dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
- setup_ops);
+ ret = devm_iio_kfifo_buffer_setup(dev, indio_dev, setup_ops);
if (ret)
return ret;
diff --git a/drivers/iio/buffer/kfifo_buf.c b/drivers/iio/buffer/kfifo_buf.c
index 416d35a61ae2..f17473e06ee8 100644
--- a/drivers/iio/buffer/kfifo_buf.c
+++ b/drivers/iio/buffer/kfifo_buf.c
@@ -197,7 +197,7 @@ static const struct iio_buffer_access_funcs kfifo_access_funcs = {
.set_length = &iio_set_length_kfifo,
.release = &iio_kfifo_buffer_release,
- .modes = INDIO_BUFFER_SOFTWARE | INDIO_BUFFER_TRIGGERED,
+ .modes = INDIO_BUFFER_SOFTWARE,
};
struct iio_buffer *iio_kfifo_allocate(void)
@@ -259,8 +259,6 @@ static struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev)
* devm_iio_kfifo_buffer_setup_ext - Allocate a kfifo buffer & attach it to an IIO device
* @dev: Device object to which to attach the life-time of this kfifo buffer
* @indio_dev: The device the buffer should be attached to
- * @mode_flags: The mode flags for this buffer (INDIO_BUFFER_SOFTWARE and/or
- * INDIO_BUFFER_TRIGGERED).
* @setup_ops: The setup_ops required to configure the HW part of the buffer (optional)
* @buffer_attrs: Extra sysfs buffer attributes for this IIO buffer
*
@@ -271,22 +269,16 @@ static struct iio_buffer *devm_iio_kfifo_allocate(struct device *dev)
*/
int devm_iio_kfifo_buffer_setup_ext(struct device *dev,
struct iio_dev *indio_dev,
- int mode_flags,
const struct iio_buffer_setup_ops *setup_ops,
const struct attribute **buffer_attrs)
{
struct iio_buffer *buffer;
- if (!mode_flags)
- return -EINVAL;
-
buffer = devm_iio_kfifo_allocate(dev);
if (!buffer)
return -ENOMEM;
- mode_flags &= kfifo_access_funcs.modes;
-
- indio_dev->modes |= mode_flags;
+ indio_dev->modes |= INDIO_BUFFER_SOFTWARE;
indio_dev->setup_ops = setup_ops;
buffer->attrs = buffer_attrs;
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
index b2725c6adc7f..a4cf1d9a8a49 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors_core.c
@@ -333,8 +333,7 @@ int cros_ec_sensors_core_init(struct platform_device *pdev,
* We can not use trigger here, as events are generated
* as soon as sample_frequency is set.
*/
- ret = devm_iio_kfifo_buffer_setup_ext(dev, indio_dev,
- INDIO_BUFFER_SOFTWARE, NULL,
+ ret = devm_iio_kfifo_buffer_setup_ext(dev, indio_dev, NULL,
cros_ec_sensor_fifo_attributes);
if (ret)
return ret;
diff --git a/drivers/iio/common/scmi_sensors/scmi_iio.c b/drivers/iio/common/scmi_sensors/scmi_iio.c
index 7cf2bf282cef..792807b2894f 100644
--- a/drivers/iio/common/scmi_sensors/scmi_iio.c
+++ b/drivers/iio/common/scmi_sensors/scmi_iio.c
@@ -631,7 +631,6 @@ static int scmi_iio_dev_probe(struct scmi_device *sdev)
err = devm_iio_kfifo_buffer_setup(&scmi_iio_dev->dev,
scmi_iio_dev,
- INDIO_BUFFER_SOFTWARE,
&scmi_iio_buffer_ops);
if (err < 0) {
dev_err(dev,
diff --git a/drivers/iio/gyro/ssp_gyro_sensor.c b/drivers/iio/gyro/ssp_gyro_sensor.c
index 46ed12771d2f..eebc036717af 100644
--- a/drivers/iio/gyro/ssp_gyro_sensor.c
+++ b/drivers/iio/gyro/ssp_gyro_sensor.c
@@ -113,7 +113,6 @@ static int ssp_gyro_probe(struct platform_device *pdev)
indio_dev->available_scan_masks = ssp_gyro_scan_mask;
ret = devm_iio_kfifo_buffer_setup(&pdev->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&ssp_gyro_buffer_ops);
if (ret)
return ret;
diff --git a/drivers/iio/health/max30100.c b/drivers/iio/health/max30100.c
index 36ba7611d9ce..ad5717965223 100644
--- a/drivers/iio/health/max30100.c
+++ b/drivers/iio/health/max30100.c
@@ -433,7 +433,6 @@ static int max30100_probe(struct i2c_client *client,
indio_dev->modes = INDIO_DIRECT_MODE;
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&max30100_buffer_setup_ops);
if (ret)
return ret;
diff --git a/drivers/iio/health/max30102.c b/drivers/iio/health/max30102.c
index 2292876c55e2..abbcef563807 100644
--- a/drivers/iio/health/max30102.c
+++ b/drivers/iio/health/max30102.c
@@ -542,7 +542,6 @@ static int max30102_probe(struct i2c_client *client,
}
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&max30102_buffer_setup_ops);
if (ret)
return ret;
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
index 383cc3250342..c3f433ad3af6 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_accel.c
@@ -731,7 +731,6 @@ struct iio_dev *inv_icm42600_accel_init(struct inv_icm42600_state *st)
indio_dev->available_scan_masks = inv_icm42600_accel_scan_masks;
ret = devm_iio_kfifo_buffer_setup(dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&inv_icm42600_buffer_ops);
if (ret)
return ERR_PTR(ret);
diff --git a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
index cec1dd0e0464..9d94a8518e3c 100644
--- a/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
+++ b/drivers/iio/imu/inv_icm42600/inv_icm42600_gyro.c
@@ -743,7 +743,6 @@ struct iio_dev *inv_icm42600_gyro_init(struct inv_icm42600_state *st)
indio_dev->setup_ops = &inv_icm42600_buffer_ops;
ret = devm_iio_kfifo_buffer_setup(dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&inv_icm42600_buffer_ops);
if (ret)
return ERR_PTR(ret);
diff --git a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
index 16730a780964..f80c62849d30 100644
--- a/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
+++ b/drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c
@@ -746,7 +746,6 @@ int st_lsm6dsx_fifo_setup(struct st_lsm6dsx_hw *hw)
continue;
ret = devm_iio_kfifo_buffer_setup(hw->dev, hw->iio_devs[i],
- INDIO_BUFFER_SOFTWARE,
&st_lsm6dsx_buffer_ops);
if (ret)
return ret;
diff --git a/drivers/iio/light/apds9960.c b/drivers/iio/light/apds9960.c
index 4141c0fa7bc4..09b831f9f40b 100644
--- a/drivers/iio/light/apds9960.c
+++ b/drivers/iio/light/apds9960.c
@@ -1003,7 +1003,6 @@ static int apds9960_probe(struct i2c_client *client,
indio_dev->modes = INDIO_DIRECT_MODE;
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&apds9960_buffer_setup_ops);
if (ret)
return ret;
diff --git a/drivers/staging/iio/impedance-analyzer/ad5933.c b/drivers/staging/iio/impedance-analyzer/ad5933.c
index 793918e1c45f..f177b20f0f2d 100644
--- a/drivers/staging/iio/impedance-analyzer/ad5933.c
+++ b/drivers/staging/iio/impedance-analyzer/ad5933.c
@@ -749,7 +749,6 @@ static int ad5933_probe(struct i2c_client *client,
indio_dev->num_channels = ARRAY_SIZE(ad5933_channels);
ret = devm_iio_kfifo_buffer_setup(&client->dev, indio_dev,
- INDIO_BUFFER_SOFTWARE,
&ad5933_ring_setup_ops);
if (ret)
return ret;
diff --git a/include/linux/iio/kfifo_buf.h b/include/linux/iio/kfifo_buf.h
index ccd2ceae7b25..8a83fb58232d 100644
--- a/include/linux/iio/kfifo_buf.h
+++ b/include/linux/iio/kfifo_buf.h
@@ -12,11 +12,10 @@ void iio_kfifo_free(struct iio_buffer *r);
int devm_iio_kfifo_buffer_setup_ext(struct device *dev,
struct iio_dev *indio_dev,
- int mode_flags,
const struct iio_buffer_setup_ops *setup_ops,
const struct attribute **buffer_attrs);
-#define devm_iio_kfifo_buffer_setup(dev, indio_dev, mode_flags, setup_ops) \
- devm_iio_kfifo_buffer_setup_ext((dev), (indio_dev), (mode_flags), (setup_ops), NULL)
+#define devm_iio_kfifo_buffer_setup(dev, indio_dev, setup_ops) \
+ devm_iio_kfifo_buffer_setup_ext((dev), (indio_dev), (setup_ops), NULL)
#endif
--
2.27.0
next prev parent reply other threads:[~2021-12-15 15:13 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-15 15:13 [PATCH 00/10] Light core IIO enhancements Miquel Raynal
2021-12-15 15:13 ` [PATCH 01/10] iio: core: Fix the kernel doc regarding the currentmode iio_dev entry Miquel Raynal
2021-12-16 6:23 ` Alexandru Ardelean
2022-01-15 15:47 ` Jonathan Cameron
2021-12-15 15:13 ` [PATCH 02/10] iio: core: Enhance the kernel doc of modes and currentmodes iio_dev entries Miquel Raynal
2021-12-16 6:24 ` Alexandru Ardelean
2021-12-16 8:15 ` Miquel Raynal
2022-01-15 15:51 ` Jonathan Cameron
2022-01-28 14:56 ` Miquel Raynal
2021-12-15 15:13 ` [PATCH 03/10] iio: magnetometer: rm3100: Stop abusing the ->currentmode Miquel Raynal
2021-12-16 6:40 ` Alexandru Ardelean
2021-12-16 8:18 ` Miquel Raynal
2022-01-15 15:58 ` Jonathan Cameron
2022-01-28 15:00 ` Miquel Raynal
2021-12-15 15:13 ` [PATCH 04/10] iio: adc: stm32-dfsdm: Avoid dereferencing ->currentmode Miquel Raynal
2021-12-16 6:47 ` Alexandru Ardelean
2021-12-16 8:22 ` Miquel Raynal
2022-01-15 16:06 ` Jonathan Cameron
2022-01-28 15:04 ` Miquel Raynal
2022-02-01 8:41 ` Fabrice Gasnier
2022-02-02 9:33 ` Miquel Raynal
2021-12-15 15:13 ` [PATCH 05/10] iio: st_sensors: Use iio_device_claim/release_direct_mode() when relevant Miquel Raynal
2021-12-16 7:16 ` Alexandru Ardelean
2021-12-16 8:32 ` Miquel Raynal
2022-01-15 16:38 ` Jonathan Cameron
2021-12-15 15:13 ` [PATCH 06/10] iio: core: Hide read accesses to iio_dev->currentmode Miquel Raynal
2021-12-16 7:38 ` Alexandru Ardelean
2021-12-16 7:41 ` Alexandru Ardelean
2021-12-16 8:37 ` Miquel Raynal
2022-01-15 16:51 ` Jonathan Cameron
2021-12-15 15:13 ` [PATCH 07/10] iio: core: Hide write " Miquel Raynal
2022-01-15 16:56 ` Jonathan Cameron
2022-02-02 8:16 ` Miquel Raynal
2021-12-15 15:13 ` [PATCH 08/10] iio: core: Move iio_dev->currentmode to the opaque structure Miquel Raynal
2021-12-16 7:48 ` Alexandru Ardelean
2021-12-16 8:38 ` Miquel Raynal
2022-01-15 17:00 ` Jonathan Cameron
2021-12-15 15:13 ` Miquel Raynal [this message]
2021-12-16 7:52 ` [PATCH 09/10] iio: core: Simplify the registration of kfifo buffers Alexandru Ardelean
2022-01-15 17:12 ` Jonathan Cameron
2022-02-02 8:09 ` Miquel Raynal
2022-02-05 18:50 ` Jonathan Cameron
2021-12-15 15:13 ` [PATCH 10/10] iio: core: Clarify the modes Miquel Raynal
2022-01-15 17:30 ` Jonathan Cameron
2022-02-02 13:46 ` Miquel Raynal
2022-02-05 18:56 ` Jonathan Cameron
2022-02-06 13:21 ` Miquel Raynal
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