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/health/afe4403.c | 32 +++++++++++---------------------
1 files changed, 11 insertions(+), 21 deletions(-)
diff --git a/kernel/drivers/iio/health/afe4403.c b/kernel/drivers/iio/health/afe4403.c
index 63210a3..82d01ac 100644
--- a/kernel/drivers/iio/health/afe4403.c
+++ b/kernel/drivers/iio/health/afe4403.c
@@ -1,17 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* AFE4403 Heart Rate Monitors and Low-Cost Pulse Oximeters
*
- * Copyright (C) 2015-2016 Texas Instruments Incorporated - http://www.ti.com/
+ * Copyright (C) 2015-2016 Texas Instruments Incorporated - https://www.ti.com/
* Andrew F. Davis <afd@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/device.h>
@@ -30,6 +22,8 @@
#include <linux/iio/trigger.h>
#include <linux/iio/triggered_buffer.h>
#include <linux/iio/trigger_consumer.h>
+
+#include <asm/unaligned.h>
#include "afe440x.h"
@@ -231,13 +225,11 @@
if (ret)
return ret;
- ret = spi_write_then_read(afe->spi, ®, 1, rx, 3);
+ ret = spi_write_then_read(afe->spi, ®, 1, rx, sizeof(rx));
if (ret)
return ret;
- *val = (rx[0] << 16) |
- (rx[1] << 8) |
- (rx[2]);
+ *val = get_unaligned_be24(&rx[0]);
/* Disable reading from the device */
tx[3] = AFE440X_CONTROL0_WRITE;
@@ -253,14 +245,14 @@
int *val, int *val2, long mask)
{
struct afe4403_data *afe = iio_priv(indio_dev);
- unsigned int reg = afe4403_channel_values[chan->address];
- unsigned int field = afe4403_channel_leds[chan->address];
+ unsigned int reg, field;
int ret;
switch (chan->type) {
case IIO_INTENSITY:
switch (mask) {
case IIO_CHAN_INFO_RAW:
+ reg = afe4403_channel_values[chan->address];
ret = afe4403_read(afe, reg, val);
if (ret)
return ret;
@@ -270,6 +262,7 @@
case IIO_CURRENT:
switch (mask) {
case IIO_CHAN_INFO_RAW:
+ field = afe4403_channel_leds[chan->address];
ret = regmap_field_read(afe->fields[field], val);
if (ret)
return ret;
@@ -332,13 +325,11 @@
indio_dev->masklength) {
ret = spi_write_then_read(afe->spi,
&afe4403_channel_values[bit], 1,
- rx, 3);
+ rx, sizeof(rx));
if (ret)
goto err;
- afe->buffer[i++] = (rx[0] << 16) |
- (rx[1] << 8) |
- (rx[2]);
+ afe->buffer[i++] = get_unaligned_be24(&rx[0]);
}
/* Disable reading from the device */
@@ -522,7 +513,6 @@
}
indio_dev->modes = INDIO_DIRECT_MODE;
- indio_dev->dev.parent = afe->dev;
indio_dev->channels = afe4403_channels;
indio_dev->num_channels = ARRAY_SIZE(afe4403_channels);
indio_dev->name = AFE4403_DRIVER_NAME;
--
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