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path: root/drivers/i2c/busses/i2c-sprd.c
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Diffstat (limited to 'drivers/i2c/busses/i2c-sprd.c')
-rw-r--r--drivers/i2c/busses/i2c-sprd.c34
1 files changed, 12 insertions, 22 deletions
diff --git a/drivers/i2c/busses/i2c-sprd.c b/drivers/i2c/busses/i2c-sprd.c
index a94e724f51dc..961123529678 100644
--- a/drivers/i2c/busses/i2c-sprd.c
+++ b/drivers/i2c/busses/i2c-sprd.c
@@ -86,7 +86,6 @@ struct sprd_i2c {
u32 count;
int irq;
int err;
- bool is_suspended;
};
static void sprd_i2c_set_count(struct sprd_i2c *i2c_dev, u32 count)
@@ -284,9 +283,6 @@ static int sprd_i2c_master_xfer(struct i2c_adapter *i2c_adap,
struct sprd_i2c *i2c_dev = i2c_adap->algo_data;
int im, ret;
- if (i2c_dev->is_suspended)
- return -EBUSY;
-
ret = pm_runtime_get_sync(i2c_dev->dev);
if (ret < 0)
return ret;
@@ -586,40 +582,34 @@ static int sprd_i2c_remove(struct platform_device *pdev)
return 0;
}
-static int __maybe_unused sprd_i2c_suspend_noirq(struct device *pdev)
+static int __maybe_unused sprd_i2c_suspend_noirq(struct device *dev)
{
- struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev);
-
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = true;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
+ struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- return pm_runtime_force_suspend(pdev);
+ i2c_mark_adapter_suspended(&i2c_dev->adap);
+ return pm_runtime_force_suspend(dev);
}
-static int __maybe_unused sprd_i2c_resume_noirq(struct device *pdev)
+static int __maybe_unused sprd_i2c_resume_noirq(struct device *dev)
{
- struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev);
-
- i2c_lock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
- i2c_dev->is_suspended = false;
- i2c_unlock_bus(&i2c_dev->adap, I2C_LOCK_ROOT_ADAPTER);
+ struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
- return pm_runtime_force_resume(pdev);
+ i2c_mark_adapter_resumed(&i2c_dev->adap);
+ return pm_runtime_force_resume(dev);
}
-static int __maybe_unused sprd_i2c_runtime_suspend(struct device *pdev)
+static int __maybe_unused sprd_i2c_runtime_suspend(struct device *dev)
{
- struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev);
+ struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
clk_disable_unprepare(i2c_dev->clk);
return 0;
}
-static int __maybe_unused sprd_i2c_runtime_resume(struct device *pdev)
+static int __maybe_unused sprd_i2c_runtime_resume(struct device *dev)
{
- struct sprd_i2c *i2c_dev = dev_get_drvdata(pdev);
+ struct sprd_i2c *i2c_dev = dev_get_drvdata(dev);
int ret;
ret = clk_prepare_enable(i2c_dev->clk);