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-owl.c | 23 ++++++++---------------
1 files changed, 8 insertions(+), 15 deletions(-)
diff --git a/kernel/drivers/i2c/busses/i2c-owl.c b/kernel/drivers/i2c/busses/i2c-owl.c
index cf3fcf3..9918b2a 100644
--- a/kernel/drivers/i2c/busses/i2c-owl.c
+++ b/kernel/drivers/i2c/busses/i2c-owl.c
@@ -87,9 +87,6 @@
#define OWL_I2C_MAX_RETRIES 50
-#define OWL_I2C_DEF_SPEED_HZ 100000
-#define OWL_I2C_MAX_SPEED_HZ 400000
-
struct owl_i2c_dev {
struct i2c_adapter adap;
struct i2c_msg *msg;
@@ -168,10 +165,9 @@
{
struct owl_i2c_dev *i2c_dev = _dev;
struct i2c_msg *msg = i2c_dev->msg;
- unsigned long flags;
unsigned int stat, fifostat;
- spin_lock_irqsave(&i2c_dev->lock, flags);
+ spin_lock(&i2c_dev->lock);
i2c_dev->err = 0;
@@ -217,7 +213,7 @@
OWL_I2C_STAT_IRQP, true);
complete_all(&i2c_dev->msg_complete);
- spin_unlock_irqrestore(&i2c_dev->lock, flags);
+ spin_unlock(&i2c_dev->lock);
return IRQ_HANDLED;
}
@@ -405,31 +401,27 @@
{
struct device *dev = &pdev->dev;
struct owl_i2c_dev *i2c_dev;
- struct resource *res;
int ret, irq;
i2c_dev = devm_kzalloc(dev, sizeof(*i2c_dev), GFP_KERNEL);
if (!i2c_dev)
return -ENOMEM;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- i2c_dev->base = devm_ioremap_resource(dev, res);
+ i2c_dev->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(i2c_dev->base))
return PTR_ERR(i2c_dev->base);
irq = platform_get_irq(pdev, 0);
- if (irq < 0) {
- dev_err(dev, "failed to get IRQ number\n");
+ if (irq < 0)
return irq;
- }
if (of_property_read_u32(dev->of_node, "clock-frequency",
&i2c_dev->bus_freq))
- i2c_dev->bus_freq = OWL_I2C_DEF_SPEED_HZ;
+ i2c_dev->bus_freq = I2C_MAX_STANDARD_MODE_FREQ;
/* We support only frequencies of 100k and 400k for now */
- if (i2c_dev->bus_freq != OWL_I2C_DEF_SPEED_HZ &&
- i2c_dev->bus_freq != OWL_I2C_MAX_SPEED_HZ) {
+ if (i2c_dev->bus_freq != I2C_MAX_STANDARD_MODE_FREQ &&
+ i2c_dev->bus_freq != I2C_MAX_FAST_MODE_FREQ) {
dev_err(dev, "invalid clock-frequency %d\n", i2c_dev->bus_freq);
return -EINVAL;
}
@@ -481,6 +473,7 @@
}
static const struct of_device_id owl_i2c_of_match[] = {
+ { .compatible = "actions,s700-i2c" },
{ .compatible = "actions,s900-i2c" },
{ /* sentinel */ }
};
--
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