On Tue, 3 Jul 2018 07:41:00 +0200
Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx> wrote:
> Use device_get_match_data API to simplify access to driver data.
> Let acpi_device_id table entries point to the same driver data as
> of_device_id table entries and uniquify access to driver data by using
> device_get_match_data API. Remove unused i2c_device_id .driver_data
> fields.
>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@xxxxxxxxx>
> Signed-off-by: Nikolaus Voss <nikolaus.voss@xxxxxxxxxxxxxxxxxxxxx>
Applied to the togreg branch of iio.git and pushed out as testing for
the autobuilders to play with it.
Thanks and was interesting to follow the discussion I missed mid week!
Jonathan
> ---
> drivers/iio/accel/st_accel_i2c.c | 59 ++++++++++++++------------------
> 1 file changed, 25 insertions(+), 34 deletions(-)
>
> diff --git a/drivers/iio/accel/st_accel_i2c.c b/drivers/iio/accel/st_accel_i2c.c
> index 056dddb27236..d02298f0256c 100644
> --- a/drivers/iio/accel/st_accel_i2c.c
> +++ b/drivers/iio/accel/st_accel_i2c.c
> @@ -14,8 +14,8 @@
> #include <linux/acpi.h>
> #include <linux/i2c.h>
> #include <linux/iio/iio.h>
> +#include <linux/property.h>
>
> -#include <linux/iio/common/st_sensors.h>
> #include <linux/iio/common/st_sensors_i2c.h>
> #include "st_accel.h"
>
> @@ -107,8 +107,8 @@ MODULE_DEVICE_TABLE(of, st_accel_of_match);
>
> #ifdef CONFIG_ACPI
> static const struct acpi_device_id st_accel_acpi_match[] = {
> - {"SMO8840", LNG2DM},
> - {"SMO8A90", LNG2DM},
> + {"SMO8840", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
> + {"SMO8A90", (kernel_ulong_t)LNG2DM_ACCEL_DEV_NAME},
> { },
> };
> MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
> @@ -117,24 +117,24 @@ MODULE_DEVICE_TABLE(acpi, st_accel_acpi_match);
> #endif
>
> static const struct i2c_device_id st_accel_id_table[] = {
> - { LSM303DLH_ACCEL_DEV_NAME, LSM303DLH },
> - { LSM303DLHC_ACCEL_DEV_NAME, LSM303DLHC },
> - { LIS3DH_ACCEL_DEV_NAME, LIS3DH },
> - { LSM330D_ACCEL_DEV_NAME, LSM330D },
> - { LSM330DL_ACCEL_DEV_NAME, LSM330DL },
> - { LSM330DLC_ACCEL_DEV_NAME, LSM330DLC },
> - { LIS331DLH_ACCEL_DEV_NAME, LIS331DLH },
> - { LSM303DL_ACCEL_DEV_NAME, LSM303DL },
> - { LSM303DLM_ACCEL_DEV_NAME, LSM303DLM },
> - { LSM330_ACCEL_DEV_NAME, LSM330 },
> - { LSM303AGR_ACCEL_DEV_NAME, LSM303AGR },
> - { LIS2DH12_ACCEL_DEV_NAME, LIS2DH12 },
> - { LIS3L02DQ_ACCEL_DEV_NAME, LIS3L02DQ },
> - { LNG2DM_ACCEL_DEV_NAME, LNG2DM },
> - { H3LIS331DL_ACCEL_DEV_NAME, H3LIS331DL },
> - { LIS331DL_ACCEL_DEV_NAME, LIS331DL },
> - { LIS3LV02DL_ACCEL_DEV_NAME, LIS3LV02DL },
> - { LIS2DW12_ACCEL_DEV_NAME, LIS2DW12 },
> + { LSM303DLH_ACCEL_DEV_NAME },
> + { LSM303DLHC_ACCEL_DEV_NAME },
> + { LIS3DH_ACCEL_DEV_NAME },
> + { LSM330D_ACCEL_DEV_NAME },
> + { LSM330DL_ACCEL_DEV_NAME },
> + { LSM330DLC_ACCEL_DEV_NAME },
> + { LIS331DLH_ACCEL_DEV_NAME },
> + { LSM303DL_ACCEL_DEV_NAME },
> + { LSM303DLM_ACCEL_DEV_NAME },
> + { LSM330_ACCEL_DEV_NAME },
> + { LSM303AGR_ACCEL_DEV_NAME },
> + { LIS2DH12_ACCEL_DEV_NAME },
> + { LIS3L02DQ_ACCEL_DEV_NAME },
> + { LNG2DM_ACCEL_DEV_NAME },
> + { H3LIS331DL_ACCEL_DEV_NAME },
> + { LIS331DL_ACCEL_DEV_NAME },
> + { LIS3LV02DL_ACCEL_DEV_NAME },
> + { LIS2DW12_ACCEL_DEV_NAME },
> {},
> };
> MODULE_DEVICE_TABLE(i2c, st_accel_id_table);
> @@ -144,6 +144,7 @@ static int st_accel_i2c_probe(struct i2c_client *client,
> {
> struct iio_dev *indio_dev;
> struct st_sensor_data *adata;
> + const char *match;
> int ret;
>
> indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*adata));
> @@ -152,19 +153,9 @@ static int st_accel_i2c_probe(struct i2c_client *client,
>
> adata = iio_priv(indio_dev);
>
> - if (client->dev.of_node) {
> - st_sensors_of_name_probe(&client->dev, st_accel_of_match,
> - client->name, sizeof(client->name));
> - } else if (ACPI_HANDLE(&client->dev)) {
> - ret = st_sensors_match_acpi_device(&client->dev);
> - if ((ret < 0) || (ret >= ST_ACCEL_MAX))
> - return -ENODEV;
> -
> - strlcpy(client->name, st_accel_id_table[ret].name,
> - sizeof(client->name));
> - } else if (!id)
> - return -ENODEV;
> -
> + match = device_get_match_data(&client->dev);
> + if (match)
> + strlcpy(client->name, match, sizeof(client->name));
>
> st_sensors_i2c_configure(indio_dev, client, adata);
>
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