From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/iio/gyro/st_gyro_buffer.c | 47 +++++++++++------------------------------------
1 files changed, 11 insertions(+), 36 deletions(-)
diff --git a/kernel/drivers/iio/gyro/st_gyro_buffer.c b/kernel/drivers/iio/gyro/st_gyro_buffer.c
index a537704..4feb7ad 100644
--- a/kernel/drivers/iio/gyro/st_gyro_buffer.c
+++ b/kernel/drivers/iio/gyro/st_gyro_buffer.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics gyroscopes driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/module.h>
@@ -30,61 +29,37 @@
return st_sensors_set_dataready_irq(indio_dev, state);
}
-static int st_gyro_buffer_preenable(struct iio_dev *indio_dev)
-{
- return st_sensors_set_enable(indio_dev, true);
-}
-
static int st_gyro_buffer_postenable(struct iio_dev *indio_dev)
{
int err;
- struct st_sensor_data *gdata = iio_priv(indio_dev);
- gdata->buffer_data = kmalloc(indio_dev->scan_bytes, GFP_KERNEL);
- if (gdata->buffer_data == NULL) {
- err = -ENOMEM;
- goto allocate_memory_error;
- }
-
- err = st_sensors_set_axis_enable(indio_dev,
- (u8)indio_dev->active_scan_mask[0]);
+ err = st_sensors_set_axis_enable(indio_dev, indio_dev->active_scan_mask[0]);
if (err < 0)
- goto st_gyro_buffer_postenable_error;
+ return err;
- err = iio_triggered_buffer_postenable(indio_dev);
+ err = st_sensors_set_enable(indio_dev, true);
if (err < 0)
- goto st_gyro_buffer_postenable_error;
+ goto st_gyro_buffer_enable_all_axis;
- return err;
+ return 0;
-st_gyro_buffer_postenable_error:
- kfree(gdata->buffer_data);
-allocate_memory_error:
+st_gyro_buffer_enable_all_axis:
+ st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
return err;
}
static int st_gyro_buffer_predisable(struct iio_dev *indio_dev)
{
int err;
- struct st_sensor_data *gdata = iio_priv(indio_dev);
-
- err = iio_triggered_buffer_predisable(indio_dev);
- if (err < 0)
- goto st_gyro_buffer_predisable_error;
-
- err = st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
- if (err < 0)
- goto st_gyro_buffer_predisable_error;
err = st_sensors_set_enable(indio_dev, false);
+ if (err < 0)
+ return err;
-st_gyro_buffer_predisable_error:
- kfree(gdata->buffer_data);
- return err;
+ return st_sensors_set_axis_enable(indio_dev, ST_SENSORS_ENABLE_ALL_AXIS);
}
static const struct iio_buffer_setup_ops st_gyro_buffer_setup_ops = {
- .preenable = &st_gyro_buffer_preenable,
.postenable = &st_gyro_buffer_postenable,
.predisable = &st_gyro_buffer_predisable,
};
--
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