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/magnetometer/st_magn_spi.c | 51 ++++++++++++++++++++++++++++++++++++++-------------
1 files changed, 38 insertions(+), 13 deletions(-)
diff --git a/kernel/drivers/iio/magnetometer/st_magn_spi.c b/kernel/drivers/iio/magnetometer/st_magn_spi.c
index 7b7cd08..501eff3 100644
--- a/kernel/drivers/iio/magnetometer/st_magn_spi.c
+++ b/kernel/drivers/iio/magnetometer/st_magn_spi.c
@@ -1,11 +1,10 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* STMicroelectronics magnetometers driver
*
* Copyright 2012-2013 STMicroelectronics Inc.
*
* Denis Ciocca <denis.ciocca@st.com>
- *
- * Licensed under the GPL-2.
*/
#include <linux/kernel.h>
@@ -18,11 +17,12 @@
#include <linux/iio/common/st_sensors_spi.h>
#include "st_magn.h"
-#ifdef CONFIG_OF
/*
* For new single-chip sensors use <device_name> as compatible string.
* For old single-chip devices keep <device_name>-magn to maintain
* compatibility
+ * For multi-chip devices, use <device_name>-magn to distinguish which
+ * capability is being used
*/
static const struct of_device_id st_magn_of_match[] = {
{
@@ -37,40 +37,64 @@
.compatible = "st,lis2mdl",
.data = LIS2MDL_MAGN_DEV_NAME,
},
+ {
+ .compatible = "st,lsm9ds1-magn",
+ .data = LSM9DS1_MAGN_DEV_NAME,
+ },
{}
};
MODULE_DEVICE_TABLE(of, st_magn_of_match);
-#else
-#define st_magn_of_match NULL
-#endif
static int st_magn_spi_probe(struct spi_device *spi)
{
- struct iio_dev *indio_dev;
+ const struct st_sensor_settings *settings;
struct st_sensor_data *mdata;
+ struct iio_dev *indio_dev;
int err;
+
+ st_sensors_dev_name_probe(&spi->dev, spi->modalias, sizeof(spi->modalias));
+
+ settings = st_magn_get_settings(spi->modalias);
+ if (!settings) {
+ dev_err(&spi->dev, "device name %s not recognized.\n",
+ spi->modalias);
+ return -ENODEV;
+ }
indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*mdata));
if (!indio_dev)
return -ENOMEM;
mdata = iio_priv(indio_dev);
+ mdata->sensor_settings = (struct st_sensor_settings *)settings;
- st_sensors_of_name_probe(&spi->dev, st_magn_of_match,
- spi->modalias, sizeof(spi->modalias));
- st_sensors_spi_configure(indio_dev, spi, mdata);
-
- err = st_magn_common_probe(indio_dev);
+ err = st_sensors_spi_configure(indio_dev, spi);
if (err < 0)
return err;
+ err = st_sensors_power_enable(indio_dev);
+ if (err)
+ return err;
+
+ err = st_magn_common_probe(indio_dev);
+ if (err < 0)
+ goto st_magn_power_off;
+
return 0;
+
+st_magn_power_off:
+ st_sensors_power_disable(indio_dev);
+
+ return err;
}
static int st_magn_spi_remove(struct spi_device *spi)
{
struct iio_dev *indio_dev = spi_get_drvdata(spi);
+
st_magn_common_remove(indio_dev);
+
+ st_sensors_power_disable(indio_dev);
return 0;
}
@@ -79,6 +103,7 @@
{ LIS3MDL_MAGN_DEV_NAME },
{ LSM303AGR_MAGN_DEV_NAME },
{ LIS2MDL_MAGN_DEV_NAME },
+ { LSM9DS1_MAGN_DEV_NAME },
{},
};
MODULE_DEVICE_TABLE(spi, st_magn_id_table);
@@ -86,7 +111,7 @@
static struct spi_driver st_magn_driver = {
.driver = {
.name = "st-magn-spi",
- .of_match_table = of_match_ptr(st_magn_of_match),
+ .of_match_table = st_magn_of_match,
},
.probe = st_magn_spi_probe,
.remove = st_magn_spi_remove,
--
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