From a5969cabbb4660eab42b6ef0412cbbd1200cf14d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 12 Oct 2024 07:10:09 +0000
Subject: [PATCH] 修改led为gpio
---
kernel/drivers/i2c/busses/i2c-hix5hd2.c | 24 +++++++-----------------
1 files changed, 7 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/i2c/busses/i2c-hix5hd2.c b/kernel/drivers/i2c/busses/i2c-hix5hd2.c
index 0f08ef1..8993534 100644
--- a/kernel/drivers/i2c/busses/i2c-hix5hd2.c
+++ b/kernel/drivers/i2c/busses/i2c-hix5hd2.c
@@ -1,11 +1,7 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2014 Linaro Ltd.
* Copyright (c) 2014 Hisilicon Limited.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
*
* Now only support 7 bit address.
*/
@@ -71,8 +67,6 @@
#define I2C_ACK_INTR BIT(2)
#define I2C_ARBITRATE_INTR BIT(1)
#define I2C_OVER_INTR BIT(0)
-
-#define HIX5I2C_MAX_FREQ 400000 /* 400k */
enum hix5hd2_i2c_state {
HIX5I2C_STAT_RW_ERR = -1,
@@ -394,7 +388,6 @@
{
struct device_node *np = pdev->dev.of_node;
struct hix5hd2_i2c_priv *priv;
- struct resource *mem;
unsigned int freq;
int irq, ret;
@@ -404,27 +397,24 @@
if (of_property_read_u32(np, "clock-frequency", &freq)) {
/* use 100k as default value */
- priv->freq = 100000;
+ priv->freq = I2C_MAX_STANDARD_MODE_FREQ;
} else {
- if (freq > HIX5I2C_MAX_FREQ) {
- priv->freq = HIX5I2C_MAX_FREQ;
+ if (freq > I2C_MAX_FAST_MODE_FREQ) {
+ priv->freq = I2C_MAX_FAST_MODE_FREQ;
dev_warn(priv->dev, "use max freq %d instead\n",
- HIX5I2C_MAX_FREQ);
+ I2C_MAX_FAST_MODE_FREQ);
} else {
priv->freq = freq;
}
}
- mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- priv->regs = devm_ioremap_resource(&pdev->dev, mem);
+ priv->regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(priv->regs))
return PTR_ERR(priv->regs);
irq = platform_get_irq(pdev, 0);
- if (irq <= 0) {
- dev_err(&pdev->dev, "cannot find HS-I2C IRQ\n");
+ if (irq < 0)
return irq;
- }
priv->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(priv->clk)) {
--
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