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iio: common: ssp_sensors: account for const type of of_device_id.data

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This driver creates a number of const structures that it stores in the
data field of an of_device_id array.

Add const to the declaration of the location that receives a value
from the data field to ensure that the compiler will continue to check
that the value is not modified and remove the const-dropping cast on
the access to the data field.

Done using Coccinelle.

Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Julia Lawall 2018-01-02 14:28:07 +01:00 committed by Greg Kroah-Hartman
parent 51a8b70762
commit 13e6bac82a
2 changed files with 2 additions and 2 deletions
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2
drivers/iio/common/ssp_sensors/ssp.h
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@ -188,7 +188,7 @@ struct ssp_sensorhub_info {
*/
struct ssp_data {
struct spi_device *spi;
struct ssp_sensorhub_info *sensorhub_info;
const struct ssp_sensorhub_info *sensorhub_info;
struct timer_list wdt_timer;
struct work_struct work_wdt;
struct delayed_work work_refresh;

2
drivers/iio/common/ssp_sensors/ssp_dev.c
View File

@ -486,7 +486,7 @@ static struct ssp_data *ssp_parse_dt(struct device *dev)
if (!match)
goto err_mcu_reset_gpio;
data->sensorhub_info = (struct ssp_sensorhub_info *)match->data;
data->sensorhub_info = match->data;
dev_set_drvdata(dev, data);